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Give your servers the once over with Nmap
31.10.2025
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© ragsac, 123RF.com
Without explicitly enabling firewalling, any software that opens up a port (of which there are 65,535 TCP ports and 65,535 UDP ports) is exposing itself to the outside world and is therefore
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Finding cracks with Nmap, Portbunny, and Nessus
30.11.2025
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Fotoflash, Fotolia.com
a packet to one of 2^16 available ports. TCP and UDP ports allow the operating system to map a packet to a specific service. The 65,535 available ports are divided into three groups: ports numbered 0