tcpdump is a Packet sniffer in Ligne of order. It makes it possible to obtain the detail of the visible traffic since an interface network.

It is a tool of development appreciated for its puissance  ; many information which should be sorted results in using the Filtre BPF.

See too

• Wireshark (in the past Ethereal)
• OmniPeek
• Packet sniffer
• Snoop, for Solaris
• Tcptrace

External bonds

• Official site

• an explanation of tcpdump