Introduction and basic usages of iptables under Unix/Linux

* What is iptables in Linux ?  Iptables is a rule based firewall system and is normally pre-installed on a Unix operating system which is controlling the incoming and outgoing packets. Basic structure of iptables The structure for the iptables is like, Tables which has chains and the chains which contains rules. Tables —> Chains […]

How to Fix the 502 Bad Gateway Error in WordPress

502 Bad Gateway Error is the most irritating and it’s like a headache for the website owner. The most frustrating parameter is running a website and troubleshooting an error when you are unaware of what is happening. This indicates that you must carry out various solutions before landing on the right one. Fortunately, the 502 […]