Tag: ufw

  • protect zimbra from memcached attack

    protect zimbra from memcached attack

    Zimbra uses memcached and if not properly configured could lead to a vulnerable system.

    If you want to read more on memcached attack read this:

    https://blog.cloudflare.com/memcrashed-major-amplification-attacks-from-port-11211/

    How to resolve this vulnerability in 3 steps:

    1. Enable firewall on your server
    2. Setup zimbra specific rules
    3. Bind memcached to localhost
    4. Deny memcached port from localhost

    Let’s start.

    (more…)