How To Use Nmap To Check Your Linux Computer For Open Ports
A major part of securing a Linux system is locking down unused ports to stop them from being accessed and ultimately hijacked by attackers. Linux systems are built to be servers, so attackers would attempt to use a compromised system that way, even if that system was set up to be a desktop. Through the use of tools like NMAP, you can figure out which ports are open on your Linux system, stop unwanted and unused services, and possibly close those ports altogether with iptables....