plesk:~# cat /etc/apt/sources.list
#deb file:///cdrom/ sarge main

#deb cdrom:[Debian GNU/Linux 3.1 r0 _Sarge_ - Official i386 Binary-1 (20050605)]/ unstable contrib main

deb http://debian.oregonstate.edu/debian/ sarge main
deb-src http://debian.oregonstate.edu/debian/ sarge main

deb http://security.debian.org/ sarge/updates main
plesk:~#