> IRC: Not done this on NetBSD but people at work use IRC through the office
>      FreeBSD firewall (which is ipfilter/ipnat based like NetBSD)

It's a TCP connection, so you can add an ipf rule to allow it (for certain
servers).

> ICQ: can be persuaded to work but is a bit of a pain.

Very easy if you tell it to use the http(s) proxy for any peer-to-peer
stuff.


Martin