Preventing Brute Force Attacks

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broca
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Joined: 10 May 2022
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PostPosted: Tue Mar 25, 2025 1:19    Post subject: Preventing Brute Force Attacks Reply with quote
If I posted this question in the wrong forum, my appoligy.

As I learn how to use SSH management, I realize additional protection is needed for my X86_64 DD-wrt system.

I like to implement the Elegant Way of protection. Is my understanding correct?
1. Create the rate_limit chain by running the set of commands in the Admin Command shell
2. Save the rules for the input chain in the Firewall.

Please advise,
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kernel-panic69
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PostPosted: Tue Mar 25, 2025 1:58    Post subject: Reply with quote
Brute force protection is already well-covered in current release, including limiting connection to services on the Security -> Firewall tab.
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broca
DD-WRT Novice


Joined: 10 May 2022
Posts: 15
PostPosted: Tue Mar 25, 2025 2:33    Post subject: Reply with quote
I saw something like this in syslog.

Mar 24 20:06:09.528 CP101 authpriv.info dropbear[11344]: Child connection from 193.32.162.136:55488
Mar 24 20:06:09.668 CP101 authpriv.info dropbear[11344]: Exit before auth from <193.32.162.136:55488>: Exited normally

so I ran them using Putty, one line at a time. What should I do now? Not sure how to remove these rules.
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