Tag: ubuntu

  • how to install zimbra on ubuntu 16.04

    by

    in

    Guide for installing zimbra on ubuntu 16.04. If you use clouldflare or another dns service provider you can skip bind part. https://linoxide.com/ubuntu-how-to/setup-zimbra-suite-ubuntu-16/

  • install certbot on ubuntu 16.04

    On Ubuntu systems, the Certbot team maintains a PPA. Once you add it to your list of repositories all you’ll need to do is apt-get the following packages. $ sudo apt-get update $ sudo apt-get install software-properties-common $ sudo add-apt-repository ppa:certbot/certbot $ sudo apt-get update $ sudo apt-get install python-certbot-apache Reference: https://help.ubuntu.com/community/Repositories/Ubuntu#Adding_PPAs

  • protect zimbra from memcached attack

    protect zimbra from memcached attack

    by

    in

    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: Enable firewall on your server Setup zimbra specific rules Bind memcached to localhost Deny memcached port from localhost Let’s start.