# deb cdrom:[Debian GNU/Linux 4.0 r0 _Etch_ - Official i386 DVD Binary-1 20070407-11:40]/ etch contrib main

#deb cdrom:[Debian GNU/Linux 4.0 r0 _Etch_ - Official i386 DVD Binary-2 20070407-11:40]/ etch contrib main
#deb cdrom:[Debian GNU/Linux 4.0 r0 _Etch_ - Official i386 DVD Binary-1 20070407-11:40]/ etch contrib main

deb http://security.debian.org/ etch/updates main contrib
deb-src http://security.debian.org/ etch/updates main


debian:/home/crypto# apt-get install curl
Reading package lists... Done
Building dependency tree... Done
Package curl is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package curl has no installation candidate
debian:/home/crypto#