Re: Iptables is not blocking an ip?

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chrisl@xxxxxxxxxxxxx wrote:
At one of my customers sites I have iptables configured to drop all ssh packets unless they originate from one of two addresses. However in logwatch, I had login attempts though SSH.
Illegal users from:
   220.193.2.37: 6 times

Now the address above is not one on the allowed list. Is it possible that they were able to get past iptables to attempt the login?

It's more likely that the rules aren't loaded, or that there's another rule that allows access in general. What's "iptables -L -n" look like? I'll assume that you're not specifying interface names in your rule sets, so adding "-v" probably won't reveal anything useful.

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