Zimbra Letsencrypt how to install it

Zimbra letsencrypt Want to install Let’s encrypt for the Zimbra mail server? Email protection is vital for the user and business. An SSL connection encrypts the email traffic. At Bobcares, we often receive requests to install Let’s Encrypt for the Zimbra...

How to setup Fail2ban for Zimbra Mail Server

Mail servers like Zimbra has its own anti-spam addon to block malicious activity. Fail2ban provides additional protection to the mail server. A good mail server always fight against spam! Fail2ban can easily ban any IP that makes too many login attempts. At Bobcares,...

Purge varnish cache – How we do it

Looking for a method to purge Varnish cache? Varnish cache is useful to speed up websites and reduce the load on the website servers. However, when the website has new contents, showing the cached results can be a headache At Bobcares, we receive requests regarding...

ufw block ping – Quickest way

Want to block ping in servers using UFW? Enabling ping on the server can make the server prone to attacks like Ping flood, Ping of death, etc. Fortunately, UFW has user-friendly options to block PING requests on the server. At Bobcares, we often receive requests...