APT invalid signatures on Debian Etch 4.0

[djbill]

Hi to all, i need help to solve the following problem with my Debian Etch 4.0 Server.

When I do an update of the packages, APT say some errors. I have "keyring" packages installed.

Output of command "apt-get update"

Fetched 121kB in 0s (470kB/s)
Reading package lists... Done
W: GPG error: http://archive.debian.org etch/updates Release: The following signatures were invalid: KEYEXPIRED 1356982504
W: GPG error: http://archive.debian.org etch/volatile Release: The following signatures were invalid: KEYEXPIRED 1358963195
W: GPG error: http://archive.debian.org etch/volatile-sloppy Release: The following signatures were invalid: KEYEXPIRED 1358963195
W: You may want to run apt-get update to correct these problems

Output of command "cat /etc/apt/sources.list"

deb http://archive.debian.org/debian/ etch main non-free contrib
deb-src http://archive.debian.org/debian/ etch main non-free contrib

deb http://archive.debian.org/debian-security/ etch/updates main non-free contrib

deb http://archive.debian.org/debian-volatile/ etch/volatile main non-free contrib
deb http://archive.debian.org/debian-volatile/ etch/volatile-sloppy main non-free contrib

deb http://archive.debian.org/debian-backports/ etch-backports main non-free contrib

Output of command "dpkg --get-selections | grep keyring"

debian-archive-keyring                          install
debian-backports-keyring                        install
debian-edu-archive-keyring                      install
debian-keyring                                  install

Thank you in advance.

[falko]

I think you can simply comment out those lines in your sources.list as there will be no more updates and volatile packages for Etch.