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Full Discussion: sockets and firewall
Special Forums IP Networking sockets and firewall Post 302097165 by grial on Wednesday 22nd of November 2006 05:06:33 AM
Old 11-22-2006
tcpdump will help, but also:
- lsof
- netstat
- traceroute
Regards.
 

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TRACEROUTE(1)							   User Commands						     TRACEROUTE(1)

NAME
traceroute - Trace the route to a host SYNOPSIS
traceroute [OPTION...] HOST DESCRIPTION
Print the route packets trace to network host. -M, --type=METHOD use METHOD (`icmp' or `udp') for traceroute operations -p, --port=PORT use destination PORT port (default: 33434) -q, --tries=NUM send NUM probe packets per hop (default: 3) --resolve-hostnames resolve hostnames -?, --help give this help list --usage give a short usage message -V, --version print program version Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options. AUTHOR
Written by Elian Gidoni. REPORTING BUGS
Report bugs to <bug-inetutils@gnu.org>. COPYRIGHT
Copyright (C) 2011 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
The full documentation for traceroute is maintained as a Texinfo manual. If the info and traceroute programs are properly installed at your site, the command info traceroute should give you access to the complete manual. GNU inetutils 1.9 December 2011 TRACEROUTE(1)
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