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The whole port range can be scanned in under a second. A real attack does not care if your ssh port is 22 or 69420. Changing Port is just snake oil.

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ralakus@lemmy.world ⁨2⁩ ⁨weeks⁩ ago
They might care if it’s 69420 since the max port number is 2^16 = 65536

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frongt@lemmy.zip ⁨3⁩ ⁨weeks⁩ ago
It can be scanned, but definitely not under a second.

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- ShortN0te@lemmy.ml ⁨2⁩ ⁨weeks⁩ ago
  Yes, it is called multithreading. Just one example: github.com/BrandonBerne/masscan
  
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  - frongt@lemmy.zip ⁨2⁩ ⁨weeks⁩ ago
    You can fire packets as fast as you like, but if my end can’t process them that fast, either they’ll get dropped or you’ll knock me offline. Neither makes a valid scan.
    
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