Security Archives - Page 2 of 3

Migrating from Centos to Debian

Posted on March 3, 2021

Little introduction Frustrated as most of you, who has been with CentOS for many years, I have decided to head to Debian. This page will […]

apache, Linux, MySQL, Security

Fix: Exim mail bounce back – retry time not reached

Posted on November 15, 2019

Sometimes, usually when you have been affected by spammer attack and your exim queue was full of the bad emails, you might have troubles sending […]

Security

How to manage firewall on Centos7/8 with firewall-cmd

Posted on November 9, 2018

Centos7 is a great server OS. There are bunch of other sites, which describe how to manage firewall rules, here I am just gathering those, […]

Security

How to protect your project against phishing – sysadmin tips

Posted on October 12, 2018

Hello guys, Today I am going to list and give brief explanation about how you can protect your project against phishing. This article is designed […]

Linux, Security

Debug your website as Google-bot from shell

Posted on August 29, 2018

Google and other search engines implement their own lists of hacked and vulnerable pages. That is fantastic, but might be nightmare for administrators to debug […]

Linux, Security

Redirect to HTTPS with .htaccess

Posted on June 7, 2018

Put the following text in your .htaccess file and change it to match your domain. RewriteEngine On RewriteCond %{SERVER_PORT} 80 RewriteRule ^(.*)$ https://blog.hosting.guru/$1 [R=301,L] RewriteCond […]

apache, Linux, Security