使用ethereal工具进行网络包的抓取

本文介绍如何使用Ethereal进行网络数据包捕获。启动软件后,通过菜单Capture->Start开始抓包,停止后即可查看并分析已捕获的数据包。特别注意在哪个网络接口进行抓取。

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启动ethereal以后,选择菜单Capture->Start,就OK了。当你不想抓的时候,按一下stop,抓的包就会显示在面板中,并且已经分析好了。
注意:”capture”菜单--interfaces:指定在哪个接口(网卡)上抓包。

如下是捕获的arp协议:

标题

 

Ethereal is a GUI network protocol analyzer. It lets you interactively browse packet data from a live network or from a previously saved capture file. See: http://www.ethereal.com for new versions, documentation, ... Ethereal's native capture file format is libpcap format, which is also the format used by tcpdump and various other tools. So Ethereal can read capture files from: -libpcap/WinPcap, tcpdump and various other tools using tcpdump's capture format -snoop and atmsnoop -Shomiti/Finisar Surveyor captures -Novell LANalyzer captures -Microsoft Network Monitor captures -AIX's iptrace captures -Cinco Networks NetXRay captures -Network Associates Windows-based Sniffer captures -Network General/Network Associates DOS-based Sniffer (compressed or uncompressed) captures -AG Group/WildPackets EtherPeek/TokenPeek/AiroPeek/EtherHelp/PacketGrabber captures -RADCOM's WAN/LAN analyzer captures -Network Instruments Observer version 9 captures -Lucent/Ascend router debug output -files from HP-UX's nettl -Toshiba's ISDN routers dump output -the output from i4btrace from the ISDN4BSD project -traces from the EyeSDN USB S0. -the output in IPLog format from the Cisco Secure Intrusion Detection System -pppd logs (pppdump format) -the output from VMS's TCPIPtrace/TCPtrace/UCX$TRACE utilities -the text output from the DBS Etherwatch VMS utility -Visual Networks' Visual UpTime traffic capture -the output from CoSine L2 debug -the output from Accellent's 5Views LAN agents -Endace Measurement Systems' ERF format captures -Linux Bluez Bluetooth stack hcidump -w traces There is no need to tell Ethereal what type of file you are reading; it will determine the file type by itself. Ethereal is also capable of reading any of these file formats if they are compressed using gzip. Ethereal recognizes this directly from the file; the '.gz' extension is not required for this purpose.
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