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vulnerability - Is is bad practice to use non-standard ports? (for example ssh from 22 to something different) - Information Security Stack Exchange
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Service Ports: The Door to the Programs on Your System | Linux Firewalls: Packet Filtering | InformIT
![Florian Roth ⚡ Twitterissä: "Common Ports Cheat Sheet via @DanielX4v3r (including Malware ports) https://t.co/i6d5aiFzaf https://t.co/zl9NDVSTEY" / Twitter Florian Roth ⚡ Twitterissä: "Common Ports Cheat Sheet via @DanielX4v3r (including Malware ports) https://t.co/i6d5aiFzaf https://t.co/zl9NDVSTEY" / Twitter](https://pbs.twimg.com/media/CcGQEr-WEAA9wQC.jpg)