What do these ip inspect name DEFAULT100 lines mean on my router?

Here they are. What do they mean, I didn't put them there when I setup the router initially.

> no ip domain lookup
> ip domain name yourdomain.com
> ip inspect name DEFAULT100 cuseeme
> ip inspect name DEFAULT100 ftp
> ip inspect name DEFAULT100 h323
> ip inspect name DEFAULT100 icmp
> ip inspect name DEFAULT100 netshow
> ip inspect name DEFAULT100 rcmd
> ip inspect name DEFAULT100 realaudio
> ip inspect name DEFAULT100 rtsp
> ip inspect name DEFAULT100 esmtp
> ip inspect name DEFAULT100 sqlnet
> ip inspect name DEFAULT100 streamworks
> ip inspect name DEFAULT100 tftp
> ip inspect name DEFAULT100 tcp
> ip inspect name DEFAULT100 udp
> ip inspect name DEFAULT100 vdolive