#HTTP PSU mirror
deb http://linux.psu.ru/debian/ squeeze main contrib non-free
deb http://linux.psu.ru/debian/ squeeze-proposed-updates main contrib non-free
deb http://linux.psu.ru/debian/ squeeze-updates main contrib non-free
deb http://linux.psu.ru/debian-security/ squeeze/updates main contrib non-free
deb http://linux.psu.ru/debian-backports/ squeeze-backports main contrib non-free

#FTP PSU mirror
#deb ftp://ftp.psu.ru/pub/soft/os/debian/ squeeze main contrib non-free
#deb ftp://ftp.psu.ru/pub/soft/os/debian/ squeeze-proposed-updates main contrib non-free
#deb ftp://ftp.psu.ru/pub/soft/os/debian/ squeeze-updates main contrib non-free
#deb ftp://ftp.psu.ru/pub/soft/os/debian-security/ squeeze/updates main contrib non-free
#deb ftp://ftp.psu.ru/pub/soft/os/debian-backports/ squeeze-backports main contrib non-free