Ethereal的介绍
介绍蓝月谷的英语作文

Nestled in the heart of China's Yunnan Province, amidst the snow-capped peaks and verdant forests of the Jade Dragon Snow Mountain, lies an ethereal wonder known as the Blue Moon Valley, or Bìyuè Gu in Chinese. This enchanting natural masterpiece, with its crystal-clear turquoise waters, towering cliffs, and breathtaking landscapes, is not merely a geographical marvel but a symphony of beauty that transcends language and captivates the soul. In this essay, we delve into the multifaceted allure of the Blue Moon Valley, examining its geological origins, ecological significance, cultural relevance, and tourism appeal, to paint a vivid portrait of this awe-inspiring destination.Geological Marvel: The Genesis of Blue Moon ValleyThe Blue Moon Valley is a testament to the powerful forces of nature and the intricate processes that shape our planet over millions of years. It is a glacial valley carved by the relentless erosive action of ancient glaciers that once blanketed the Jade Dragon Snow Mountain during the Quaternary Ice Age. As these massive ice masses retreated, they left behind a U-shaped valley characterized by steep slopes and a flat bottom, now filled with the mesmerizing blue waters of the Heilongtan Lake.The unique hue of the water, which gives the valley its name, is due to a phenomenon called "glacier flour." As glaciers grind against rock, they produce fine-grained silt particles that remain suspended in the meltwater. These particles scatter sunlight, particularly blue and green wavelengths, creating the stunning turquoise color that is so distinctive of the Blue Moon Valley. Additionally, the lake's depth and clarity further enhance this optical effect, turning the water into a shimmering, mirror-like surface that reflects the surrounding mountains and sky.Ecological Haven: A Microcosm of BiodiversityBeyond its visual splendor, the Blue Moon Valley is an ecological treasure trove, hosting a diverse array of flora and fauna that thrive in its unique alpine environment. The valley's altitude, ranging from 2,400 to 3,800 meters above sea level, supports distinct vegetation zones, including subalpine coniferous forests, alpine meadows, and rocky scree slopes. These habitats harbor numerous rare and endemic species, such as the Yunnan Spruce, Rhododendron niveum, and the endangered Black Snub-nosed Monkey.The lake itself is a vital aquatic ecosystem, serving as a habitat for various fish species and supporting a rich aquatic plant community. The valley's riparian zones and wetlands provide critical breeding grounds for waterfowl and migratory birds, making it a haven for birdwatchers. Moreover, the area's pristine watersheds contribute to the overall health of the larger Lancang-Mekong River Basin, ensuring the provision of clean water and maintaining the balance of regional ecosystems.Cultural Significance: A Tapestry of Myths and LegendsIn the tapestry of Chinese culture, the Blue Moon Valley holds profound spiritual and mythological significance. For the local Naxi people, who have inhabited the region for centuries, the valley is considered a sacred site imbuedwith divine energy. They associate it with their creation myths and revere it as a dwelling place of mountain gods. The Naxi Dongba culture, renowned for its unique pictographic script and shamanistic practices, has woven countless legends and folk tales around the valley, endowing it with an aura of mysticism and enchantment.The valley's association with spirituality is further accentuated by the presence of several Buddhist temples and shrines scattered along its periphery. These religious sites serve as pilgrimage destinations for both locals and visitors, offering opportunities for meditation, prayer, and introspection amidst the serene, awe-inspiring surroundings.Tourism Appeal: A Gateway to Unforgettable ExperiencesThe Blue Moon Valley's unparalleled beauty and rich cultural heritage have made it a sought-after tourist destination, attracting visitors from around the globe. The valley offers a myriad of experiences that cater to diverse interests and preferences:1. **Scenic Appreciation:** Visitors can embark on leisurely walks along the well-maintained wooden trails that wind through the valley, taking in panoramic vistas of the turquoise lake, cascading waterfalls, and soaring peaks. The prime vantage points, such as the "Immortal Bridge" and "Heaven Pool," offer breathtaking views that are etched into memories forever.2. **Photography and Art:** The valley's ever-changing hues, depending on the season, time of day, and weather conditions, make it a paradise for photographers and artists seeking inspiration. From the vibrant autumn foliage to the winter snowscapes, and from the soft morning mist to the dramatic sunset skies, every moment presents a canvas waiting to be captured.3. **Outdoor Activities:** Adventure enthusiasts can engage in hiking, horseback riding, and even helicopter tours to explore the valley and its surroundings. The nearby Jade Dragon Snow Mountain also offers opportunities for mountaineering, skiing, and glacier exploration.4. **Cultural Immersion:** Tourists can delve into the local Naxi culture by visiting traditional villages, attending Dongba rituals, and participating in workshops on Naxi music, dance, and calligraphy. The nearby UNESCO World Heritage Site of Lijiang Old Town provides an immersive experience of ancient architecture, local cuisine, and bustling markets.In conclusion, the Blue Moon Valley is far more than just a picturesque landscape; it is a living, breathing testament to Earth's geological history, a thriving ecological microcosm, a repository of cultural wisdom, and an unparalleled destination for tourism and recreation. Its mesmerizing turquoise waters, diverse ecosystems, rich cultural heritage, and myriad of experiences make it a truly majestic tapestry of nature that continues to captivate and inspire all who venture into its ethereal embrace.。
以太网常用抓包工具介绍_464713

v1.0 可编辑可修改i RTUB_105_C1 以太网常用抓包工具介绍课程目标:课程目标1:了解常见抓包软件课程目标2:掌握根据需要选择使用抓包软件并分析报文目录第1章以太网常用抓包工具介绍.............................................................................................................. 1-11.1 摘要 ................................................................................................................................................ 1-11.2 简介 ................................................................................................................................................ 1-11.3 抓包工具介绍 ................................................................................................................................ 1-21.4 Sniffer使用教程 .......................................................................................................................... 1-31.4.1 概述 ..................................................................................................................................... 1-31.4.2 功能简介 ............................................................................................................................. 1-31.4.3 报文捕获解析 ..................................................................................................................... 1-41.4.4 设置捕获条件 ..................................................................................................................... 1-81.4.5 报文放送 ........................................................................................................................... 1-101.4.6 网络监视功能 ................................................................................................................... 1-121.4.7 数据报文解码详解 ........................................................................................................... 1-141.5 ethreal的使用方法 .................................................................................................................... 1-281.5.1 ethreal使用-入门 ......................................................................................................... 1-281.5.2 ethereal使用-capture选项 ......................................................................................... 1-301.5.3 ethereal的抓包过滤器 ................................................................................................... 1-311.6 EtherPeekNX ................................................................................................................................ 1-351.6.1 过滤条件设置 ................................................................................................................... 1-351.6.2 设置多个过滤条件 ........................................................................................................... 1-411.6.3 保存数据包 ....................................................................................................................... 1-451.6.4 分析数据包 ....................................................................................................................... 1-471.6.5 扩展功能 ............................................................................................................................. 1-11.6.6 简单分析问题的功能 ......................................................................................................... 1-51.6.7 部分解码功能 ..................................................................................................................... 1-91.6.8 案例 ..................................................................................................................................... 1-11.7 SpyNet ............................................................................................................................................ 1-11.7.1 使用简介 ............................................................................................................................. 1-11.7.2 使用步骤: ......................................................................................................................... 1-2iv1.0 可编辑可修改第1章以太网常用抓包工具介绍知识点了解常用抓包软件熟悉根据需要选择抓包软件并分析报文1.1摘要在处理IP网络的故障时,经常使用以太网抓包工具来查看和抓取IP网络上某些端口或某些网段的数据包,并对这些数据包进行分析,定位问题。
介绍艺术形式英语作文

介绍艺术形式英语作文The Ethereal Realm of Art: Exploring Its Manifold Forms.Art, an ethereal manifestation of human creativity, transcends the boundaries of language and culture, serving as a universal medium of expression and exploration. It encompasses a vast spectrum of forms, each with its unique characteristics and capacities to captivate the senses and stir the emotions.Painting: A Canvas of Colors and Emotions.Painting, one of the oldest and most enduring art forms, employs the interplay of colors, textures, and lines to depict the world around us. From the vibrant hues of Van Gogh's "Starry Night" to the enigmatic brushstrokes of Monet's "Water Lilies," paintings have the power to evoke a symphony of emotions and transport us to different realmsof imagination.Sculpture: Shaping Space and Form.Sculpture, a three-dimensional medium, transforms inert materials into evocative shapes and forms. From the majestic marble statues of Michelangelo's "David" to the abstract bronze works of Henry Moore, sculptures possess an immersive quality that allows viewers to interact with them physically and emotionally.Architecture: The Art of Shelter and Transcendence.Architecture, the practical art of constructing buildings, transcends its primary function of providing shelter to become a profound expression of human ingenuity and aesthetics. The soaring spires of Gothic cathedrals, the intricate facades of Baroque palaces, and the sleek lines of modern skyscrapers reveal the transformative power of architectural design on our built environment.Music: The Language of the Soul.Music, an auditory art form, employs rhythm, melody,and harmony to convey emotions and ideas that defy words. From the ethereal harmonies of classical symphonies to the pulsating beats of rock and roll, music has the ability to captivate the soul and create a shared experience.Literature: The Written Word that Illuminates.Literature, the art of writing, uses words as its primary medium to craft stories, poems, essays, and plays. Through the power of language, literature explores the depths of human experience, delving into themes of love, loss, identity, and the complexities of the human condition.Dance: The Embodiment of Rhythm and Expression.Dance, a performative art form, employs the human body as an instrument of expression. From the graceful ballet to the energetic hip-hop, dance conveys emotions, tells stories, and transcends cultural boundaries, allowing performers and audiences alike to connect on a visceral level.Film: The Magic of Moving Images.Film, a technological marvel, combines the elements of visual art, music, and literature to create a captivating cinematic experience. Through the use of lighting, camera angles, and editing, film has the power to immerse viewers in imagined worlds, explore social issues, and ignite imaginations.Photography: Capturing Fleeting Moments.Photography, an art form that harnesses light, freezes fleeting moments in time, revealing the beauty and complexity of the world around us. From the iconic black-and-white images of Ansel Adams to the vibrant street photography of Henri Cartier-Bresson, photographs serve as visual mementoes of our experiences and provide a unique perspective on the human condition.Digital Art: Redefining Boundaries.Digital art, a relatively new art form, utilizesdigital technology to create and manipulate images, videos, and sounds. Breaking free from traditional mediums, digital art explores new possibilities of expression and invites viewers to interact with and shape the artwork themselves.The Enduring Legacy of Art.Throughout history, art has played a pivotal role in shaping human civilization. It has documented historical events, celebrated cultural traditions, and inspired social change. From the prehistoric cave paintings in Lascaux to contemporary street art installations, art has the power to connect people across time and space, fostering understanding and empathy.Conclusion.The realm of art is an ever-expanding tapestry of creativity and expression, encompassing a myriad of forms that captivate the senses and stimulate the mind. Whether through the vibrant colors of a painting, the intricate details of a sculpture, or the evocative rhythms of asymphony, art transcends the boundaries of language and culture, offering a profound window into the human experience. As we continue to explore and celebrate the diverse expressions of art, we unlock the potential for personal growth, cultural exchange, and a deeper understanding of the world around us.。
UAP3300呼叫中心维护工具使用介绍

[%UAP3300(config)]$config add cliuser name uapclient loginpassword uapclient enablepassword uapclient [%UAP3300(config)]$debug set connection limitation view 5 config 5 super 5
1.1 工具介绍.......................................................................................................................4 1.2 工具使用.......................................................................................................................4
2. 配置好上面信息后,点击“确定”出现如下界面。
3. 选择需要抓取的 UAP,当 UPA 连接有,右键点击该地址,选择“抓取 IP 单板日志”。
2010-3-26
华为机密,未经许可不得扩散
第 10 页, 共 26 页
文档名称
文档密级
4. 根据步骤 3 弹出如下界面, 选择 UAP3300 栏下“SLOT 8 MRS”后面的“获取 日志”按钮。
8. 单击步骤 7 中“获取中…”按钮后会弹出如下界面,将“开启日志开关”前的勾去
实验1-Ethereal的使用和网络协议的层次观察

实验1 Ethereal的使用和网络协议的层次观察一、实验目的:1、了解网络协议的层次结构2、初步掌握Ethereal的使用方法二、实验环境1、Ethereal网络分析软件2、实验文件“网络协议的层次观察.cap”三、实验要求1、能够了解网络协议的层次结构2、能够正确掌握Ethereal的使用方法四、实验内容1、Ethereal介绍Ethereal是一个优秀的网络分析仪,可以捕获(Capture) 和浏览(Display) 网络侦测的内容,还可以定义Filters规则,监视所有在网络上被传送的封包,并分析其内容。
Ethereal通常用来检查网络运作的状况,或是用来发现网络程序的bugs。
它可以分析的协议有:RTP、IP、ISAKMP、ICMP、SMB、SMB-PIPE、VTP、SNMPv3、Ethernet、GRE、EIGRP、DHCP、IPX、X.25、RSVP等。
2、Ethereal的使用启动ethereal后,选择菜单Capature->Options, 定义获取数据包的方式。
主要选项有,Interface: 指定在哪个接口(网卡)上抓包;Limit each packet: 限制每个包的大小以避免数据过大,缺省情况下可不限制;Capture packets in promiscuous mode: 是否打开混杂模式。
如果打开,则抓取共享网络上可以探测的所有数据包。
一般情况下只需要监听本机收到或者发出的包,可以关闭这个选项。
Filter:设定过滤规则,只抓取满足过滤规则的包;File:如果需要将抓到的包写到文件中,在这里输入文件名称。
其他的项选择缺省的就可以了。
选择start开始抓包。
选择stop,则停止抓包。
3.数据包的分析打开文件“网络协议的层次观察.cap”,这是一个包括100个分组的网络通信记录,详细记录了分组的序号、相对时间、源地址、目标地址、协议类型、内容,如图1是对第6个分组的详细信息。
ethereal使用说明

ethereal汉化版用法目录1 Ethereal介绍 51.1 Ethereal为何物? 51.1.1 Ethereal可以帮人们做什么? 51.1.2 界面功能 51.1.3 实时的从不同网络介质抓取数据包 6 1.1.4 导入来自其它抓包工具的文件 61.1.5 为其它抓包工具导出文件 61.1.6 丰富的协议解码器 71.1.7 开放源代码软件 71.1.8 Ethereal不能做什么? 71.2 Ethereal运行平台 71.2.1 Unix 71.2.2 Linux 81.2.3 Microsoft Windows 81.3 那里可以得到ethereal? 81.4 Ethereal的读法 91.5 Ethereal的历史 91.6 Ethereal的设计和维护 91.7 问题报告和获得帮助 91.7.1 Web网站 91.7.2 WIKI 101.7.3 FAQ 101.7.4 邮件列表 101.7.5 问题报告 101.7.6 liunx/unix平台崩溃报告 111.7.7 Windows平台崩溃报告 112 编译和安装ethereal 112.1 介绍 112.2 获得ethereal源代码和应用发布版本 12 2.3 UNIX平台编译ethereal之前准备工作 12 2.4 UNIX平台编译ethereal源代码 132.5 UNIX平台应用版本安装 132.5.1 RedHat 的RPMs方式安装 142.5.2 Debian的安装方式 142.6 解决UNIX下安装失败问题 142.7 Windows下源代码的编译 142.8 Windows下Ethereal安装 142.8.1 安装ethereal 142.8.2 升级ethereal 152.8.3 卸载ethereal 153 用户操作界面 153.1 介绍 153.2 启动ethereal 153.3 ethereal主界面 153.4 “The Menu”主菜单 163.4.1 “File”文件菜单 183.4.2 “Edit”编辑菜单 193.4.3 “View”视图菜单 213.4.4 “GO”跳转菜单 233.4.5 “Capture”抓包菜单 243.4.6 “Analyze”分析菜单 243.4.7 “Statistics”统计报表菜单 263.4.8 “Help”帮助菜单 273.5 “Main”常用工具栏 283.6 “Filter Toolbar”显示过滤器工具栏 303.7 “Packet List”数据包列表窗格 313.8 “Packet Details”数据包信息树窗格 313.9 “Packet Bytes”数据包字节窗格 323.10 “Statusbar”状态栏 324 网络数据包实时抓取 334.1 介绍 334.2 使用Ethereal前的准备工作 334.3 如何开始抓包? 334.4 “Capture Interfaces”抓包网络接口窗口 344.5 “Capture Options”抓包选项窗口 354.5.1 “Capture”抓包常规框 354.5.2 “Capture File(s)”数据包文件框 364.5.3 “Stop Capture…”停止抓包框 374.5.4 “Display Options”显示选型框 384.5.5 “Name Resolution”名称解析框 384.5.6 “Buttons”按键 394.6 数据包文件和文件模式 394.7 “Link-layer header type”链接层数据头类型 40 4.8 抓包过滤器 404.9 抓包状态信息窗口 424.9.1 停止抓包 424.9.2 重新开始抓取 435 数据包文件导入、导出和打印 435.1 介绍 435.2 “Open”打开数据包文件 435.2.1 “Open Capture File”打开数据包文件窗口 44 5.2.2 支持导入文件格式 455.3 “Save As”存储数据包 455.3.1 输出文件格式 465.4 “Merging”合并数据包文件 475.5 “File Sets”文件系 485.6 “Exporting”导出文件 495.6.1 “Exporting as Plain Text File”导出无格式文件 495.6.2 “Export as PostScript File”导出PS格式文件 505.6.3 “Export as CSV(Comma Seperated Values)File”导出CSV(逗号分割)文件 50 5.6.4 “Export as PSML File”导出PSML格式文件 515.6.5 “Export as PDML File”导出PDML格式文件 515.6.6 “Export selected packet bytes”导出被选择数据包数据 525.7 “Printing”打印数据包 535.8 “Packet Range”数据包范围窗格 556 数据包分析 556.1 如何查看数据包 556.2 显示过滤器 606.3 如何书写显示过滤器表达式 616.3.1 显示过滤器字段 616.3.2 比较操作的数据类型和操作符 626.3.3 组合表达式 626.3.4 显示过滤器常见误解 636.4 “Filter Expression”过滤器表达式窗口 646.5 定义和存储过滤器 656.6 搜索数据包 676.6.1 “Find Packet”搜索数据包窗口 676.6.2 “Find Next”寻找下一个 686.6.3 “Find Previous”寻找上一个 686.7 “GO”跳转 686.7.1 “Go Back”后退 686.7.2 “Go Forward”向前 686.7.3 “Go to Packet”跳转到 686.7.4 “Go to Corresponding Packet”跳转到相关数据包 696.7.5 “Go to First Packet”跳到第一个数据包 696.7.6 “Go to Last Packet”跳到最后一个数据包 696.8 标记数据包 696.9 时间显示格式和时间基准点 706.9.1 时间显示格式 706.9.2 时间基准点 707 高级工具 727.1 介绍 727.2 “Following TCP streams”跟踪TCP数据流 727.2.1 TCP数据流跟踪窗口 737.3 Time Stamps时间标记 747.3.1 Ethereal内部时间格式 747.3.2 数据包文件时间格式 747.3.3 时间正确性 747.4 时区问题 757.4.1 什么是时区? 757.4.2 为你的计算机设置正确时间 757.4.3 Ethereal和时区 767.5 数据包重组 767.5.1 什么是数据包重组? 767.5.2 Ethereal如何实现包重组 767.6 名称解析 777.6.1 以太网名称解析(MAC层) 777.6.2 IP名称解析(网络层) 787.6.3 IPX名称解析(网络层) 787.6.4 TCP/UDP端口名称解析(传输层) 787.7 确保数据完整性 787.7.1 Ethereal核对概要 797.7.2 硬件里的概要计算和确认 798 统计 798.1 介绍 798.2 “Summary”统计窗口 808.3 “Protocol Hierrrchy”协议层次统计窗口 81 8.4 “Endpoint”终端统计 828.4.1 Endpoint终端是什么? 828.4.2 终端统计窗口 838.5 会话统计Conversations 838.5.1 什么是会话 838.5.2 会话窗口 838.6 IO曲线图窗口 858.7 服务响应时间统计 869 Ethereal客户配置 879.1 介绍 879.2 定义数据包颜色 879.3 控制协议解析器 899.3.1 “Enabled Protocols”协议解析开关窗口 89 9.3.2 用户配置解码 909.3.3 查看定义的解码方式 919.4 参数选择 921 Ethereal介绍1.1 Ethereal为何物?Ethereal是开源网络数据包分析软件。
介绍新疆的一个旅游景点英语作文

介绍新疆的一个旅游景点英语作文全文共6篇示例,供读者参考篇1A Wondrous Journey to the Heavenly Lake of XinjiangHi friends! I want to tell you about the most amazing place I visited during my summer vacation last year - the Heavenly Lake in Xinjiang, China. Get ready for an adventure like no other!Xinjiang is a huge region in the northwest of China, with vast deserts, towering mountains, and stunning natural scenery. My family and I traveled there to explore the breathtaking landscapes and learn about the diverse cultures that make Xinjiang so unique.After a long drive through the rugged mountains, we finally arrived at the Heavenly Lake scenic area. As soon as I stepped out of the car, I was awestruck by the incredible beauty surrounding me. The crystal-clear lake seemed to stretch on forever, reflecting the snow-capped peaks and fluffy white clouds above."Wow, it's like a scene from a fairy tale!" I exclaimed. My little sister agreed, her eyes wide with wonder.Our guide told us that the Heavenly Lake is located high up in the Tian Shan mountain range, at an elevation of nearly 2,000 meters above sea level. The icy waters come from melting glaciers, making the lake appear an almost supernatural shade of turquoise blue.We couldn't wait to start exploring! First, we took a leisurely hike along the lakeshore, admiring the pristine waters and the majestic mountains towering in the distance. The fresh mountain air filled my lungs, and the peaceful atmosphere made me feel so calm and relaxed.Along the way, we spotted some curious-looking animals –they were marmots! These cute, chubby creatures popped their heads out of their burrows to watch us pass by. Our guide taught us that marmots are a type of large ground squirrel that live in the high mountains of Xinjiang.As we continued our hike, the scenery just kept getting more and more breathtaking. Wildflowers of every color dotted the grassy meadows, and butterflies danced among the blooms. Occasionally, we caught glimpses of the snow-capped peaks reflecting in the mirror-like surface of the lake.After our invigorating hike, we decided to rent a boat and explore the Heavenly Lake from the water. Gliding across the serene waters, I felt like I was floating on a piece of sky. The surrounding mountains seemed even more gigantic and majestic from this vantage point.Our boatman pointed out an island in the middle of the lake, telling us about the Kazakh and Mongolian legends associated with this sacred place. According to the stories, the island was once home to a powerful king who ruled over the entire region.As we drifted closer to the island, I could make out the crumbling ruins of an ancient fortress perched atop the rocky cliffs. Our guide explained that this was once the king's palace, built over 1,300 years ago! I could hardly believe that such an old structure still remained, a testament to the rich history of Xinjiang.After our boat tour, we visited the Khanaslake Mongolian village, located right next to the Heavenly Lake. The friendly Mongolian residents welcomed us with warm smiles and invited us into their traditional yurt tents.Inside the yurts, we learned how the nomadic Mongolian people have lived for centuries, following their herds of horses, sheep, and camels across the vast grasslands. They showed ustheir colorful clothing, decorated with intricate patterns and symbols passed down through generations.For lunch, we feasted on delicious Mongolian dishes like hand-pulled noodles, sizzling lamb skewers, and thick, creamy yogurt. My taste buds were dancing with the flavorful spices and rich dairy products that are staples of the Mongolian diet.After our bellies were full, we attended a lively Khanaslake festival, where the villagers performed traditional songs, dances, and sports. The men competed in intense games like horseback riding and wrestling, displaying their strength and agility. Meanwhile, the women dazzled us with vibrant costumes and graceful dances passed down from their ancestors.As the sun began to set over the Heavenly Lake, we reluctantly had to say goodbye to this magical place. But the memories of the crystal-clear waters, snow-dusted peaks, and warm Mongolian hospitality will stay with me forever.Xinjiang was unlike anywhere else I've ever been. From the striking natural scenery to the diverse cultures and ancient traditions, every moment felt like an adventure. The Heavenly Lake truly lived up to its name – it was a heavenly paradise on Earth.I feel so fortunate to have experienced the wonders of this special region in China. I can't wait to explore more amazing destinations and continue learning about the world around me. Who knows what other incredible journeys await?篇2A Magical Journey to the Heavenly LakeHave you ever dreamed of visiting a place that looks like it came straight out of a fairy tale? A place so beautiful and enchanting, it takes your breath away? Well, let me tell you about the Heavenly Lake in Xinjiang, China - a natural wonder that will leave you awestruck and create memories that will last a lifetime!Last summer, my family and I embarked on an incredible adventure to this stunning lake, nestled high up in the Tian Shan mountains. The journey itself was an adventure, with winding roads that seemed to go on forever, and breathtaking scenery that kept changing with every turn. But nothing could have prepared me for the moment when the Heavenly Lake finally came into view.Imagine a vast, crystal-clear lake that reflects thesnow-capped peaks of the mighty Tian Shan like a giant mirror. The water was so pure and blue, it almost didn't look real! Andsurrounding the lake was a vibrant meadow filled with wildflowers of every color imaginable – reds, yellows, purples, and pinks, all blending together in a magnificent tapestry.As we got closer, I could see the snow-capped mountains rising majestically into the sky, their peaks glistening in the sun like sparkling diamonds. It was as if we had stumbled into a magical kingdom, hidden away from the rest of the world.We set up our tent right by the lake's edge, and I couldn't resist dipping my toes into the cool, refreshing water. It was so clear that I could see all the way to the bottom, where colorful pebbles and tiny fish swam about. I even spotted a few curious trout poking their heads out, as if to greet us visitors!The next morning, we woke up to the most incredible sight –the entire lake was shrouded in a thin veil of mist, giving it an ethereal, mystical quality. As the sun peeked over the mountains, the mist slowly dissipated, revealing the lake in all its glory once again. It was like witnessing nature's own special performance, just for us.During our stay, we went on some amazing hikes through the surrounding meadows and up into the mountains. The air was so crisp and clean, and the views were simply breathtaking.We even saw some friendly yaks grazing in the distance, their fluffy coats blending in with the rugged landscape.But my favorite part of our trip was swimming in the Heavenly Lake itself. The water was a bit chilly at first, but once I got used to it, it was the most refreshing and invigorating experience ever! I felt like I was swimming in a giant, natural pool, surrounded by the majestic beauty of the Tian Shan mountains.As I floated on my back, gazing up at the endless blue sky and the wispy clouds drifting by, I felt a sense of peace and wonder that I had never experienced before. It was as if the Heavenly Lake had cast a spell over me, transporting me to a different realm, far away from the hustle and bustle of everyday life.Our time at the Heavenly Lake seemed to fly by too quickly, but the memories we made there will stay with me forever. From the stunning natural beauty to the sense of adventure and exploration, it was an experience that truly felt magical and out of this world.If you ever get the chance to visit the Heavenly Lake in Xinjiang, I highly recommend it. It's a place that will capture your heart and imagination, and leave you with a newfoundappreciation for the wonders of nature. Just remember to pack your sense of adventure and a willingness to be utterly amazed!篇3A Magical Journey to the Heavenly Lake of XinjiangHi there! My name is Emma, and I'm a 10-year-old girl from Shanghai. Last summer, my family and I went on the most incredible trip to Xinjiang, a beautiful region in the northwest of China. We visited so many amazing places, but the one that left me totally spellbound was the stunning Heavenly Lake (Tian Chi in Chinese).The Heavenly Lake is located high up in the Heavenly Mountain range, near the border with Kazakhstan and Russia. Just getting there was an adventure in itself! We first took a super long train ride from Shanghai all the way to Urumqi, the capital of Xinjiang. Then we went by bus into the mountains to a town called Bogda.From Bogda, we joined a tour group and rode in an off-road vehicle for what seemed like forever, bumping along twisty mountain roads. The scenery was so rugged and wild, with huge rocky peaks all around us. Our tour guide told us we were in the Tian Shan mountains, which means "Celestial Mountains" in thelocal language. I could see why they're called that - the mountains looked pretty heavenly to me!Finally, after several hours of driving, we arrived at a parking area near the top of one of the mountains. I was already amazed by the gorgeous views stretching out in every direction. But then our guide announced we still had to do a short hike to reach the Heavenly Lake itself. My little legs were pretty tired by that point, but I was determined to keep going.The hike took us up a winding path through a beautiful pine forest. The fresh mountain air smelled so good and cool. I could hear birds chirping all around. After about 20 minutes of hiking, we emerged from the trees and there it was - the breathtaking Heavenly Lake!Surrounded by towering snowy peaks, the lake sat cradled in a rocky basin like a sparkling blue gemstone. Its waters were the most brilliant shades of turquoise and aquamarine, so vividly colored that it almost didn't look real. Our guide explained that the lake gets its striking hues from glacial runoff and from special minerals in the rocks.As we walked along the lakeshore, I was mesmerized by the pristine clarity of the water. I could see all the way down to the bottom, where sunlight danced across the rocks and pebbles.Little wildflowers dotted the grassy banks, adding splashes of purple, yellow and white.We spent a couple of hours just relaxing by the lake's edge, soaking in the peaceful atmosphere. Some of the braver kids (not me!) went for a swim in the frigid waters. I was content to dip my toes in and feel the icy chill.Over the lake, I spotted some birds soaring on the wind currents. Our guide said they were Himalayan Griffon vultures and pointed out their massive wingspans. Watching them glide effortlessly above the jade-colored waters was like something out of a fantasy novel.Before heading back down the mountain, our group had a delicious picnic lunch right by the lakeshore. We feasted on fresh-baked naan bread, spicy lamb kebabs, and fresh apples and apricots from the area. For dessert, we had sweet rice pudding. I'll never forget how scrumptious the food tasted in that crisp, clean mountain air!On the drive back to our hotel, I sleepily gazed out the window at the rugged landscapes slowly drifting by. I felt so grateful to have visited such a magical, hidden corner of the world. The Heavenly Lake was like a dream come to life with its fairytale setting and vibrant colors.In the years to come, I know the memory of this wondrous place will always fill my heart with awe and happiness. Xinjiang is definitely one of the most stunningly beautiful parts of China, and the Heavenly Lake is truly a natural treasure. I hope I can go back there again someday and rediscover its enchanting beauty!篇4My Exciting Trip to the Heavenly Lake in XinjiangHi everyone! I'm so excited to share with you about my amazing trip to the Heavenly Lake in Xinjiang. It was the best vacation ever, and I can't wait to tell you all about it!Xinjiang is a huge region in the northwest part of China. It's known for its stunning natural scenery, like toweringsnow-capped mountains, vast deserts, and crystal-clear lakes. The Heavenly Lake, or Tian Chi in Chinese, is one of Xinjiang's most famous tourist spots, and it's easy to see why.To get there, my family and I took a long car ride from the city of Urumqi, the capital of Xinjiang. The drive was really fun because we got to see all kinds of cool landscapes along the way. We passed by huge sand dunes, green oasis towns with fruit trees and vineyards, and even some camels grazing in the distance!After a few hours of driving, we finally arrived at the base of the Tian Shan mountains, which means "Heavenly Mountains" in Chinese. These mountains are massive and stretch for miles and miles. We took a special bus that drove us up a winding road to the top of the mountains, and that's where we got our first glimpse of the Heavenly Lake.Wow, it was so beautiful that I couldn't believe my eyes! The lake was this bright, vibrant blue color that almost looked unreal. It was like someone had poured bright blue paint into a giant bowl in the middle of the mountains. The water was so clear that you could see all the way to the bottom, and it reflected the snow-capped peaks of the Tian Shan mountains perfectly.We hiked down to the shore of the lake, and I got to dip my feet in the water. It was freezing cold, but so refreshing! The lake is fed by melting glaciers from the surrounding mountains, which is why the water is so pure and icy. We saw lots of other families picnicking on the grassy banks and taking photos of the incredible scenery.One of the coolest things about the Heavenly Lake is the legends and stories that surround it. Our tour guide told us that according to local folklore, the lake was formed when a beautiful fairy princess accidentally dropped her mirror into a mountaincreek. The mirror shattered and formed the sparkling blue lake we see today. Another legend says that the lake is actually a tear dropped by the gods while they were creating the Earth. How magical is that?We spent the whole day exploring the area around the lake. We hiked up to a viewpoint that gave us an amazing panoramic view of the entire lake and the mountains surrounding it. We also visited a traditional Kazakh yurt camp, where we got to see how these nomadic people live and even try on their colorful clothes and hats.At the end of the day, we took the bus back down the mountain, tired but so happy from our incredible adventure. On the drive back to Urumqi, I gazed out the window at the setting sun turning the mountains into a beautiful shade of pink and orange. I felt so lucky to have visited such an incredible place and made so many wonderful memories with my family.The Heavenly Lake in Xinjiang was truly a little slice of heaven on Earth. From its stunning natural beauty to its rich cultural traditions, it was an experience I'll never forget. If you ever get the chance to visit Xinjiang, I highly recommend adding the Heavenly Lake to your must-see list. It's a magical place that will leave you in awe and create memories that will last a lifetime.篇5A Magical Place Called Heavenly LakeHave you ever dreamed of visiting a place that looks like it came straight out of a storybook? A place with crystal clear waters that sparkle like diamonds in the sun, toweringsnow-capped mountains, and vibrant wildflowers dancing in the breeze? If so, you have to visit Heavenly Lake in Xinjiang, China! It's one of the most beautiful and enchanting places I've ever seen.Last summer, my family took an amazing trip to Xinjiang, which is a region in the far northwest of China. We flew into the city of Urumqi and then drove for hours through vast deserts and rugged mountain ranges. I'll never forget my first glimpse of Heavenly Lake – it took my breath away!Heavenly Lake is located high up in the Tian Shan mountain range, which stretches across Central Asia. The name "Heavenly Lake" comes from the fact that the lake looks like a shimmering mirror reflecting the sky and clouds above. When we arrived, the waters were the most incredible shades of blue and green I had ever seen.Our tour guide told us that Heavenly Lake is fed by melting glaciers from the towering peaks surrounding it. The glaciers help keep the waters icy cold and pristine. He also said the lake changes colors throughout the day as the sunlight hits it from different angles. Sometimes it's a brilliant turquoise, other times a deep sapphire.As we hiked along the shores, I was in awe of the majestic snow-capped mountains rising up all around the lake. Their craggy peaks seemed to touch the sky. In the distance, we could see bright white glaciers inching their way down the slopes. Our guide warned us that over a hundred years ago, the lake was much larger before the glaciers started melting due to climate change. But it was still massive and breathtakingly beautiful.Wildflowers were blooming everywhere we looked – bright pinks, sunny yellows, deep purples, and brilliant whites. They carpeted the grassy meadows surrounding the lake in a kaleidoscope of colors. With the flowers, sparkling waters, and towering peaks, it felt like we had stepped into a magical fairytale realm.We spent two nights camping right beside Heavenly Lake so we could soak in the incredible scenery. On our first evening there, I'll never forget watching the sunset paint the waters andmountains in fiery shades of orange, red, and pink. As night fell, a million stars twinkled in the inky black sky overhead, brighter than any I'd ever seen before.The next morning, we woke up to the sound of birds chirping their sweet melodies. A heavy mist hung over the lake, giving it an ethereal feeling. As the sun rose higher, the mist slowly burned away to reveal the glittering waters and snowcapped peaks once again. That afternoon, we hiked up to a gorgeous waterfall cascading down from the glaciers high above. We could actually taste how fresh and pure the water was!On our final day, we took a boat tour out onto the lake itself. Being surrounded by those towering mountains and crystalline waters made me feel like a tiny speck in the vast beauty of nature. Our guide pointed out areas along the shoreline where the rare red Heavenly Lake semiaquilegia flower blooms. Its brilliant crimson petals are found nowhere else on Earth.As we cruised across the lake's surface, I could see trout and other fish swimming beneath us. Our guide told us that the lake is home to several species found nowhere else due to its isolated location and pristine waters. He said the local Kazakh and Mongol ethnic groups have fished and grazed animals around the lake for centuries while protecting this natural wonder.All too soon, it was time to say goodbye to Heavenly Lake. As we drove back down the mountain road, I couldn't help but feel sad to leave such an incredibly beautiful and serene place behind. But I knew that the memories of Heavenly Lake's magic would stay with me forever. This place was living proof that unspoiled natural wonders still exist in our world if we protect them.I hope that after reading this, you've fallen under Heavenly Lake's spell just like I did! Maybe you'll be lucky enough to visit this extraordinary place one day and experience its majesty for yourself. Whether you're young or old, terres trial or celestial, there's no way to not be enchanted by the Heavenly Lake's natural splendor. It's a real-life fairytale escape.篇6My Amazing Trip to the Heavenly LakeLast summer, my family and I went on the most incredible trip to Xinjiang, a province in the far northwest of China. We visited so many cool places, but my absolute favorite was the Heavenly Lake! Let me tell you all about this magical place.The Heavenly Lake is located high up in the Tian Shan mountains at over 2,000 meters above sea level. We had to drivefor a really long time on a windy mountain road to get there from the city of Urumqi, the capital of Xinjiang. But as soon as we arrived, I knew it was worth the journey!The first thing I noticed was the stunning color of the lake itself. It's not called the Heavenly Lake for nothing - the water is the most brilliant shade of blue that I've ever seen. It's so vividly blue that it almost doesn't look real! The lake gets its amazing color from the melted glaciers and snow that feed into it. The water is so clear and pure.As we walked along the shore, I could see the Heavenly Lake is surrounded by soaring, snow-capped mountain peaks. The mountains are part of the Tian Shan range, which stretches across several countries in Central Asia. The highest peak overlooking the lake is over 5,000 meters high! The rugged peaks were breathtakingly beautiful against the bright blue sky.We decided to take one of the hiking trails that loops around the lake shore. The path was a bit steep at times, but the views made the climb so worthwhile. At one point, we reached a ridge that gave us an amazing panoramic vista of the entire lake and surrounding mountains. It felt like we could see forever! My dad pointed out the white glaciers clinging to the highest mountain slopes. I had never seen glaciers in real life before.Along the trail, we passed by fields filled with wildflowers in every color imaginable - bright reds, cheerful yellows, vivid purples, and more. The sweet floral scents perfumed the fresh mountain air. We even saw some cute furry mountain critters scampering around! I think they were marmots or pikas.After our hike, we had a delicious lunch of fresh bread, dried fruits and nuts that we had brought from home. The food tasted extra good after working up an appetite on the trail. We just sat back and enjoyed the peaceful sounds of nature all around us - the gentle lapping of the lake waves, the wind whistling through the peaks, and the buzzing of bees flitting between the wildflowers.As if the stunning natural scenery wasn't amazing enough, the Heavenly Lake area is also home to some fascinating history and culture. Our guide told us that for centuries, the lake was an important stop along the ancient Silk Road trade route that connected China to the West. Traders, explorers and nomads would rest and restock supplies here during their long journeys across the mountains and deserts of Central Asia.The lake and surrounding mountains are considered sacred places by the Kazakh and Kyrgyz people, who are ethnic groups native to Xinjiang and parts of Central Asia. According to theirbeliefs, the Heavenly Lake is home to powerful spirits that must be honored and respected. Our guide shared some of their fascinating folklore legends about the origins of the lake. He said it was created by a grieving mother's endless tears after she lost her child. So sad but beautiful!We also visited the Heavenly Lake Mosque, which is one of the highest elevated mosques in the world at over 2,300 meters above sea level. It was built in the 17th century of wood and stone carved right into the mountainside. The soaring arched doorways and intricate carvings were incredible! We had to take our shoes off to go inside, which felt holy and respectful. Our guide explained the mosque's important role for Muslims traveling the Silk Road.On our last evening at the Heavenly Lake, we sat outside our small inn and watched the sunset over the shimmering waters. As the sun slowly sank behind the mountains, the sky transformed into the most magnificent display of vivid oranges, pinks and reds. The fading light cast a rosy alpenglow over the snow-capped peaks surrounding the lake. What a magical way to end our visit to this heavenly place!I feel so lucky that I got to experience the beauty and wonder of the Heavenly Lake at such a young age. This incrediblenatural paradise made me appreciate how amazing our world is. Between the jaw-dropping scenery, fascinating cultural heritage, and peace and tranquility of being in nature, Xinjiang's Heavenly Lake is truly a little slice of heaven on Earth. It's a special memory that I'll cherish forever!。
Wireshark介绍

WiresharkWireshark(前称Ethereal)是一个网络封包分析软件。
网络封包分析软件的功能是撷取网络封包,并尽可能显示出最为详细的网络封包资料。
网络封包分析软件的功能可想像成"电工技师使用电表来量测电流、电压、电阻" 的工作- 只是将场景移植到网络上,并将电线替换成网络线。
在过去,网络封包分析软件是非常昂贵,或是专门属于营利用的软件。
Ethereal 的出现改变了这一切。
在GNUGPL通用许可证的保障范围底下,使用者可以以免费的代价取得软件与其程式码,并拥有针对其源代码修改及客制化的权利。
Ethereal是目前全世界最广泛的网络封包分析软件之一。
软件简介Wireshark使用目的以下是一些使用Wireshark目的的例子:网络管理员使用Wireshark来检测网络问题,网络安全工程师使用Wireshark来检查资讯安全相关问题,开发者使用Wireshark来为新的通讯协定除错,普通使用者使用Wireshark来学习网络协定的相关知识当然,有的人也会“居心叵测”的用它来寻找一些敏感信息……Wireshark不是入侵侦测软件(Intrusion DetectionSoftware,IDS)。
对于网络上的异常流量行为,Wireshark不会产生警示或是任何提示。
然而,仔细分析Wireshar k撷取的封包能够帮助使用者对于网络行为有更清楚的了解。
Wireshark不会对网络封包产生内容的修改,它只会反映出目前流通的封包资讯。
Wireshark本身也不会送出封包至网络上。
官方:/网络流量分析是指捕捉网络中流动的数据包,并通过查看包内部数据以及进行相关的协议、流量分析、统计等来发现网络运行过程中出现的问题,它是网络和系统管理人员进行网络故障和性能诊断的有效工具。
通常,人们把网络分析总结为四种方式:基于流量镜像协议分析,基于 SNMP 的流量监测技术,基于网络探针( Probe )技术和基于流( flow )的流量分析。
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Ethereal的介绍
网络协议分析软件 Wireshark 与 Ethereal
Wireshark(原名Ethereal)是目前世界上最受欢迎的协议分析软件,利用它可将捕获到的 各种各样协议的网络二进制数据流翻译为人们容易读懂和理解的文字和图表等形式,极大 地方便了对网络活动的监测分析和教学实验。它有十分丰富和强大的统计分析功能,可在 Windows,Linux 和UNIX等系统上运行。此软件于1998年由美国Gerald Combs首创研发, 原名Ethereal,至今世界各国已有100多位网络专家和软件人员正在共同参与此软件的升级 完善和维护。它的名称于2006年5月由原Ethereal改为Wireshark。至今它的更新升级速度 大约每2~3个月推出一个新的版本,2007年9月时的版本号为0.99.6。但是升级后软件的 主要功能和使用方法保持不变。它是一个开源代码的免费软件,任何人都可自由下载,也 可参与共同开发。 Wireshark网络协议分析软件可以十分方便直观地应用于计算机网络原理和网络安全的教学 实验,网络的日常安全监测,网络性能参数测试,网络恶意代码的捕获分析,网络用户的 行为监测,黑客活动的追踪等。因此它在世界范围的网络管理专家,信息安全专家,软件 和硬件开发人员中,以及美国的一些知名大学的网络原理和信息安全技术的教学、科研和 实验工作中得到广泛的应用。
颜色过滤器
在View菜单中我们可以在Coloring Rules 对话框中指定一组表达 式和它们对应的显示特性。开始没有显示颜色规则,你可以创建 一个新规则,也可以对已有的规则进行编辑。创建新规则时,你 必须为新规则输入一个名字和一个显示过滤器表达式。同时必须 通过选择前景(或字体)色和背景色来指定匹配这些规则的分组如 何显示。
安装网络协议分析仪Ethereal
1) 安装WinPcap。网络协议分析仪 Ethereal的运行需要软件 WinPcap(wpcap.dll)的支持,因此安装 Ethereal前必须安装WinPcap,否则会出 现错误。 2) 双击安装Ethereal。
启动Ethereal
点击“Ethereal”图标,将会出现系统操 作界面。
limit each packet to N bytes ( 限制捕获包的大小)
Ethereal能够捕获整个分组(数据和首 部)。但一般数据会占据大多数的空间, 而通常首部包含了最有用的信息。 如果不打算观察数据,可以只捕获首部。 此时需要计算出感兴趣的首部的最大长度, 并以此来捕获(一般的报头在68字节之内)。
进行协议分析
停止抓包后,在协议分析窗口中,可以看到捕 获的分组数据。此时会出现三个方框。 当选中主窗口最上面方框中的一个分组时,下 面的两个方框显示了所选分组的细节。
跟踪列表框(跟踪框) 协议框 原始分组框(原始框)
列表框
第一个窗口是所抓包的列表,罗列了从 开始到停止Ethereal软件抓到的数据包。 在窗口的上部,有帧编号(No)、时间 (Time)、源地址(Source)、目的地 址(Destination)、协议(Protocol)和 信息(Info)等列,各列下方依次排列着 捕获的分组。
混杂模式下捕获分组 (capture packets in promiscuous mode)
选择捕获包的模式是否为混杂模式 如果你的计算机在一个共享网段(如以太网), 网络接口将能探测到所有的分组 选中混杂模式时,将记录所在网络所有的数据 包,包括那些并非发往你的机器的分组。 不选中混杂模式时,仅接收发往本接口的数据 包。
capture files:指定将捕获的分组保存在一个文 件中。 Use multiple files: 启用多文件保存,默认不启 用。 Next file every: 设定每个数据包文件的大小 (单位是M,默认1M),只有启用Use multiple files后此项才可用。 Ring buffer with: 当保存多少个数据包文件后 循环缓存,默认是2个文件,即保存2个数据包 文件后丢弃缓存中的数据包,再添加新采集到 的数据包。
显示选项(Display Options)
默认情况下,分组的显示与它们被捕获 时的状态不一样,因为在网络活动量很 高的时候,要想同步显示是很困难的 。
Update list of packets in real time: 实时更 新捕获到的数据包列表信息。 Automatic scrolling in live capture: 对捕获 到的数据包信息进行自动滚屏显示。 Hide capture info dialog: 隐藏捕获信息对话 框。
捕获过滤器
Ethereal允许通过指定捕获过滤器来减小 跟踪的大小。 捕获过滤器是一个指定哪些分组应该被 记录的表达式,而其他分组则会全部被 简单的丢弃。 Ethereal中,捕获过滤器的语言来源于一 个名为tcpdump的程序,这是一个基于 命令行的网络协议分析器。
捕获过滤器
例:指定的捕获过滤器为host 192.168.0.10l。这个过滤器将捕获限为 那些发送到IP地址192.168.0.101或由该IP地址发出的分组。
原始框
原始框是协议框中各个协议字段具体数 据的十六进制表示。当你点击第二个窗 口里的某一具体的字段,在第三个窗口 里就会显示这个字段内的数据。
协议层次统计
在Statistics菜单中选择Protocol Hierarchy选项,它按照协议在协议栈中 出现的顺序把在分组中使用过的所有协 议罗列出来。在Packets栏和Bytes栏中出 现了指定协议的分组的信息。
捕获过滤器(capture filter)
capture filter: 捕获过滤器,用来定义你 要捕获的数据包的类型,可以限制捕获 的数据量。只有那些匹配过滤器规则的 分组才会被记录。 注意:一般情况下在开始捕获时不要进 行选择,以免将来捕获的包不完全, 影响 分析结果。
捕获文件(capture files)
Ethereal同时也提供了一个方便的Add Expression按钮,其中包含 了许多可用的表达式,可以利用这个可选择的菜单来帮助你创建 一个表达式。 表达式列表中包含了许多协议,包括链路层协议、网络层协议、 传输层协议和应用层协议。在每个协议之下,有基于各种协议元 素的过滤选项。
编写高效的颜色过滤器需要精通所用的协议。同样也有一组与帧 自身相关的过滤器。在跟踪中可以基于帧的到达时间,甚至是在 跟踪记录中分组的序号来过滤。
显示过滤器
显示与用户指定的表达式匹配的分组, 以此来限制分组的显示。 显示过滤器与捕获过滤器大体上相似, 但显示过滤器仅改变跟踪记录被显示的 方式而不是改变跟踪记录的内容。
显示过滤器
在许多方面,显示过滤器就是捕获过滤器与颜色过滤器的交叉。 它们使用与颜色过滤器相同的语言,而且并不删除或者忽略跟踪 中的分组,这也和颜色过滤器一样。然而,就像捕获过滤器一样, 它们会去除不匹配的分组。它能帮你把全部的注意力都放在感兴 趣的通信流上面,但也会失去与周围通信流的关联。 在Ethereal主窗口中,显示过滤器可以在Filter文本框中直接输入。 例如,如果我们输入一个和颜色过滤器一样的过滤器,只有那些 有颜色的分组才会显示出来。只有分组编号栏(如1289-1293)中的 间隔说明完整跟踪记录中还有其他分组。要应用一个新的过滤器, 在Filter文本框中写入内容并选择Apply;要重新显示整个完整的 跟踪记录,就选择Clear。
名字解析(NameResolution)
名字解析可以要求Ethereal把分组中不同的数 字翻译成人们易读的名字。
Enable MAC name resolution: 启动MAC名字解析, Ethereal会把MAC地址前3字节解析为生产厂商的名 字。 Enable network name resolution: 启用网络名称解 析, Ethereal会把IP地址解析为对应的主机名。 Enable transport name resolution: 启用传输名称 解析, Ethereal会把那些知名端口号解析成对应的 协议。
进行分组捕获
点击capture菜单,在“Interface”选项中 选择一个合适的接口,如果你的主机有 多块网卡, 要选择你现在正在使用的网卡。 如果两个都在使用, 那么要选择你需要捕 获数据的那个特定网卡。其余选项保持 默认配置。点击“OK”,系统开始捕获数 据。当点击“Stop”时,系统停止捕获数 据并将已经捕获的数据装载在分析系统 中。
协议框
协议框给出选中的某帧的详细内容,是每个包 从数链层往上到应用层使用的所有协议:
物理层帧 以太网帧 IP数据报 TCP一个包,在第二个窗口 就会看见它应用到的各个协议的具体情况,比 如ip报头里面的每个字段的作用都可以显示。
Option选项的介绍
在捕获分组时,你可以不使用默认项, 而自己定义所捕获的内容,例如捕获的 时间、捕获分组的长度等,此时可以在 option选项中进行设置。当选择option时, 出现一个菜单(这个选项我们以后经常要 用到的)。