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Month: September 2016

LAMP-Securing Your Web Server With SSL

LAMP-Securing Your Web Server With SSL

Hello and welcome! In my previous post on LAMP web server, I discussed about its installation and configuration inside CentOS environment. Today, I’m writing on how to setup SSL certificate in our website and other security related configurations as well. Installing SSL Certificate First of all, let’s install mod_ssl package from MOD Security. It’s done in CentOS as follows: Then, let’s create a directory where we’ll keep our SSL certificates. Now, let’s generate self-signed certificate for our web server. Here, openssl is…

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Blocking Mails Based on Subject in Zimbra

Blocking Mails Based on Subject in Zimbra

Welcome back! In this post, let’s talk about tightening our Antispam or Spamassassin in Zimbra. In real-time, there may be a serious reason for filtering and blocking mails based on subject that contain certain structures or words. Here are the steps to achieve this objective in Zimbra 8.5 and later. 1) Create a policy file inside /opt/zimbra/data/spamassassin/rules/ as root user e.g. Here, SUB_ATTACHMENT is a rule that filters the mail header based on the regular expression match of Subject. The describe…

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Enable Authentication In Zimbra CBPolicyd Webui

Enable Authentication In Zimbra CBPolicyd Webui

Hello there! In this post, I’m going to write about how to enable authentication in Zimbra CBPolicyd Webui. If you use Zimbra but haven’t yet used CBPolicyd, I recommend you to see me previous post where I discussed about installation and use of CBPolicyd for managing mail related rules or restrictions in Zimbra. Until now, we don’t have any kind of authentication mechanism to protect our CBPolicyd’s web panel. So, let’s go ahead and setup an authentication method for our…

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