Re: IDLE TIMEOUT DEFEAT?

Arnaud Girsch (girsch@marben.com)
Wed, 5 Jun 1996 16:24:11 -0700 (PDT)

> I managed to find out what the (see below) data was about. I called the user and questioned him about it.
> Seems he's running MIRC, and that data is just the server pings to make sure his client is still alive..

Can't be that.
An IRC server doesn't ping on port 23, that would be silly.
The IRC-server ping is included in irc protocol (rfc1459), and done over
the already established connection (client.port <-> server.irc-port)

> TCP from 205.200.13.34.1860 to 205.200.13.2.23 seq 241AEF7, ack 0x0, win 8192, SYN
> TCP from 205.200.13.34.1860 to 205.200.13.2.23 seq 241AEF8, ack 0x55D00446, win 8616, ACK
> TCP from 205.200.13.34.1860 to 205.200.13.2.23 seq 241AEF8, ack 0x55D00446, win 8616, FIN ACK
> TCP from 205.200.13.34.1860 to 205.200.13.2.23 seq 241AEF9, ack 0x55D00446, win 0, RST
> TCP from 205.200.13.34.1860 to 205.200.13.2.23 seq 241AEF9, ack 0x55D00446, win 0, RST

Arnaud.

-- 
Arnaud Girsch  -+- agirsch@marben.com -+- Marben Products, Inc. - San Jose, CA