You're right.
ls[root@zed /root]# lsmod
Module Size Used by
ip_masq_irc 1664 0 (unused)
ip_masq_raudio 3040 0 (unused)
ip_masq_ftp 4320 0 (unused)
ne2k-pci 4752 1 (autoclean)
8390 6144 0 (autoclean) [ne2k-pci]
rtl8139 12432 1 (autoclean)
There it is, ip_masq_irc. I shoulda thunk of it, thanks for the pointer. I even remember loading that module myself.
Sebastien Loisel