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Brute force protection (rytter.me)

submitted 9 months ago by [email protected] to c/[email protected]

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Brute force protection

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[–] [email protected] 14 points 9 months ago (3 children)

I remember in college editing OpenSSH source code to instead of return wrong password to a root shell prompt just to stop brute force attacks

[–] [email protected] 5 points 9 months ago

A honeypot!

[–] [email protected] 4 points 9 months ago* (last edited 9 months ago)

But... arent they logged in as root then? Wdym with "prompt" i am lost

[–] [email protected] 1 points 8 months ago (1 children)

@Pacmanlives
Couldn't you just disable root login in the sshd config?

[–] [email protected] 2 points 8 months ago (1 children)

Oh all of my configs are deny root ssh login or without-password. I noticed a significant decrease in scans when returning a root prompt when I did that. This was also in the mid 2000s so who knows how things would be in this day in age for a reduction in scans

[–] [email protected] 2 points 8 months ago (1 children)

@Pacmanlives
So it was a fake root prompt which tricked the bots into believing that they logged in successfully but in reality the prompt could do nothing on the system?

[–] [email protected] 1 points 8 months ago

Correct