* 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 […]
#!/bin/sh#File: /etc/rc.d/rc.firewall# At once log and drop any known abusive IPsiptables -A INPUT -p tcp -s 87.118.104.44 -m limit –limit 1/minute –limit-burst 10 -j LOG –log-prefix “[DROPPED_NODE]“ –log-level 4iptables -A INPUT -p tcp -s 87.118.104.44 -j DROP# Allow fr?m ?n? t? ?n? ?n 127.0.0.1/32iptables -A INPUT -s 127.0.0.1/32 -j ACCEPTiptables -A OUTPUT -s 127.0.0.1/32 -j […]
What is MySQL? MySQL is an open-source relational database management system (RDBMS) that uses Structured Query Language (SQL) to interact with data. It’s widely used for various applications, from small websites to large-scale enterprise systems. Here’s a breakdown of its key features: Common use cases for MySQL include: Overall, MySQL is a versatile and popular […]
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