tcpdump

Command-line network traffic analyzer
  http://www.tcpdump.org/
  2
  1 review



This program allows you to dump the traffic on a network. tcpdump is able to examine IPv4, ICMPv4, IPv6, ICMPv6, UDP, TCP, SNMP, AFS BGP, RIP, PIM, DVMRP, IGMP, SMB, OSPF, NFS and many other packet types.

It can be used to print out the headers of packets on a network interface, filter packets that match a certain expression. You can use this tool to track down network problems, to detect attacks or to monitor network activities.
Latest reviews
5
Anubis 9 years ago

Great for finding rogue connections, if you know what your looking for, just grep it. Easy to use.