Packet filter to watch TCP packets
UPDATED: August 25, 1999
This packet filter will show all TCP packets arriving at or passing through the PortMaster (TM).
TCP packets are used by applications such as httpd (world wide web), ftp, telnet and many others.
Command> add filter seetcp New Filter successfully added Command> set filter seetcp 1 permit tcp Filter seetcp updated NOTE: If you only wanted to see packets from TCP negotiations then add the word estab to the end of the filter rule. Command> set filter seetcp 1 permit tcp estab Filter seetcp updated Note: The following rules block out telnet packets which comes in handy if you happen to be telnetted into the PortMaster. Command> set filter seetcp 2 deny tcp src eq 23 Filter seetcp updated Command> set filter seetcp 3 deny tcp dst eq 23 Filter seetcp updated
To turn on ...
Command> set console Setting CONSOLE to admin session Command> ptrace seetcp ext Packet Tracing Enabled
To turn off...
Command> ptrace Packet Tracing Disabled Command> reset console Console RESET