Len Conrad wrote:

In our 'periodic daily' report/email, (only the list goes on for hundreds of attempts). Anyhow, long story short; is there not an easy way to make sshd block or deny hosts temporarily if X number of invalid login attempts are made within a minute's time?

to reduce the brute force attacks + voluminous logging, tell sshd to listen on port other than 22.

google for "tcp wrappers sshd" for examples of how to use tcp wrappers in reactive blocking


check out the denyhosts port as well. works great
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