Err http://debian.koha-community.org squeeze/main Packages
  Unable to connect to debian.koha-community.org:http:
W: Failed to fetch http://debian.koha-community.org/koha/dists/squeeze/Release.gpg  Could not connect to debian.koha-community.org:80 (64.57.244.203). - connect (110: Connection timed out)

W: Failed to fetch http://debian.koha-community.org/koha/dists/squeeze/main/i18n/Translation-en_IN.bz2  Unable to connect to debian.koha-community.org:http:

W: Failed to fetch http://debian.koha-community.org/koha/dists/squeeze/main/binary-i386/Packages.gz  Unable to connect to debian.koha-community.org:http:

E: Some index files failed to download, they have been ignored, or old ones used instead.