this post was submitted on 24 Aug 2024
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How could simulating the ports as open be useful? (sopuli.xyz)
submitted 3 weeks ago* (last edited 3 weeks ago) by [email protected] to c/[email protected]
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I've read an article which describes how to simulate the close ports as open in Linux by eBPF. That is, an outside port scanner, malicious actor, will get tricked to observe that some ports, or all of them, are open, whereas in reality they'll be closed.

How could this be useful for the owner of a server? Wouldn't it be better to pretend otherwise: open port -> closed?

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[–] [email protected] 0 points 3 weeks ago (3 children)

Can you please kindly link to that article, if it's publicly available?

[–] [email protected] -5 points 3 weeks ago (1 children)

No!

[–] [email protected] 1 points 3 weeks ago (1 children)

Alternatively, just open all the ports?

[–] [email protected] 1 points 3 weeks ago

My ports are always open for you, my son. And doors, and windows.

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