Port Knocking

Port knocking is one of hardening method to prevent unauthorized user access the services. This method ability to externally open ports that, by default, keep closed by firewall. It works by sending  TCP packets to predefined closed ports in right order. In my virtual environment, I have two Linux based systems one is Debian8 and […]

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Cyberchondriac

Today’s new word  is Cyberchondriac. Cyberchondriac, someone who looks up medical advice on the Internet for every symptom  they have  and get anxious because they think they have serious illness.

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Free SSL Certificate

Q: Is is possible to get free SSL certificate, which is supported by modern web browsers such as Chrome, Mozilla Firefox, IE etc,. A: Actually, yes you can have free green bar SSL certificates which is supported by modern web browsers. Let’s Encrypt is a free, automated, open Certificate Authority. But before you have SSL […]

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Hello world!

Welcome to WordPress. This is your first post. Edit or delete it, then start blogging!   RewriteEngine On RewriteCond %{SERVER_PORT} 80 RewriteRule ^(.*)$ https://example.com/$1 [R=301,L]

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