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Ethereal Packet Sniffer
Ethereal can be downloaded from the main Web site: or from any of their mirrors worldwide. The latest version (as of this writing) is 0.8.19. It requires GTK+ 1.2 or greater, which can be downloaded from: and the libpcap packet capture library, which can be downloaded from: https://www.tcpdump.org. Perl is also required to build the included documentation. Additionally, it is recommended that you download and install zlib, available at: so that Ethereal can work with gzipped files on the fly, and NET-SNMP libraries, if you want to enable SNMP support, available at: . Pre-compiled binary packages are available for all the major UNIX flavors, as well as for Windows NT. However, the Windows NT version requires more effort to get working and will not be covered here.
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