We have Linux server ( RHEL 5 ), and some client machines ( Windows XP ) in local area network. We using server as proxy server.
I am using squid proxy.
My windows machines using internet by proxy.
Now my client machines using IP messenger for chatting and sharing files with in local network.
How can i trace what they are doing or chatting by ip messenger, from my server by wireshark packet sniffer ?
If i can't do it by wireshark , What will you give idea about it...