Tim wrote:
On Thu, 2008-01-24 at 22:11 +0900, John Summerfield wrote:
-A INPUT -i eth0 -p tcp -m tcp --dport 22 -m state --state NEW -m limit --limit 5/hour -j LOG --log-prefix "SSH connexion "
-A INPUT -i eth0 -p tcp -m tcp --dport 22 -m state --state NEW -m limit --limit 5/hour -j ACCEPT
-A INPUT -i eth0 -p tcp -m tcp --dport 22 -j LOG --log-prefix "SSH connexion attack dropped "
-A INPUT -i eth0 -p tcp -m tcp --dport 22 -j DROP
But five naughty attempts during an hour that you were wanting to
connect, and you've been DoSed... Unless other rules, such as:
I'm aware of that; however, I'm not protecting high-value assets.
Note too that this is my second access control; I run shorewall on
the Internet gateway, and that blocks great gobs of people who've
offended me.
Ensure that doesn't happen.
Perhaps I shouldn't mention that I principally connect via a VPN.
--
Cheers
John
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