esto este es el contenido de sources.list
#
# deb cdrom:[Debian GNU/Linux testing _Etch_ - Official Beta i386 CD Binary-1 20070317-21:45]/ etch contrib main
# Line commented out by installer because it failed to verify:
# deb
http://security.debian.org/ etch/updates main contrib
# Line commented out by installer because it failed to verify:
# deb-src
http://security.debian.org/ etch/updates main contrib
deb
ftp://ftp.es.debian.org/debian/ testing main non-free contrib
deb-src
ftp://ftp.es.debian.org/debian/ testing main non-free contrib
espero que alguien me pueda ayudar porque no he podido instalar nada,
muhcas gracias