## Ubuntu 18.04 - 18.10
    deb http://archive.squadrasec.com/ubuntu/ bionic main restricted universe multiverse
    deb http://archive.squadrasec.com/ubuntu/ bionic-security main restricted universe multiverse
    deb http://archive.squadrasec.com/ubuntu/ bionic-updates main restricted universe multiverse
    deb http://archive.squadrasec.com/ubuntu/ bionic-backports main restricted universe multiverse
    deb http://archive.squadrasec.com/ubuntu/ bionic-proposed main restricted universe multiverse

    deb-src http://archive.squadrasec.com/ubuntu bionic-security main restricted universe multiverse
    deb-src http://archive.squadrasec.com/ubuntu bionic-updates main restricted universe multiverse
    deb-src http://archive.squadrasec.com/ubuntu bionic-proposed main restricted universe multiverse
    deb-src http://archive.squadrasec.com/ubuntu bionic-backports main restricted universe multiverse

    ## Ubuntu 16.04 - 16.10
    deb http://archive.squadrasec.com/ubuntu/ xenial main restricted universe multiverse
    deb http://archive.squadrasec.com/ubuntu/ xenial-security main restricted universe multiverse
    deb http://archive.squadrasec.com/ubuntu/ xenial-updates main restricted universe multiverse
    deb http://archive.squadrasec.com/ubuntu/ xenial-backports main restricted universe multiverse
    deb http://archive.squadrasec.com/ubuntu/ xenial-proposed main restricted universe multiverse

    deb-src http://archive.squadrasec.com/ubuntu xenial-security main restricted universe multiverse
    deb-src http://archive.squadrasec.com/ubuntu xenial-updates main restricted universe multiverse
    deb-src http://archive.squadrasec.com/ubuntu xenial-proposed main restricted universe multiverse
    deb-src http://archive.squadrasec.com/ubuntu xenial-backports main restricted universe multiverse