> > IRC (on dal.net) is reasonably safe, just dont accept any DCC file sends! > As for blocking 113 tcp good Idea, along with 1080 since most servers now > check for proxy servers. though i would recommend a REJECT instead of a DROP eg send a reset or something because port 113 is a valid protocol called identd and many server telnetd,ftpd,pop3d,smtpd,ircd infact anything that runs on *nix system will either a) expect to connect to a ident server b) expect a connection refused otherwise if you connect to ftp and you client times out after say 30 seconds and the ident lookup on the server timesout after 45 seconds then you dont get a connection this can happen with http as well. James ------------------------------------------------------------------------ To unsubscribe email security-discuss-request@linuxsecurity.com with "unsubscribe" in the subject of the message.