Hi Renat,

On Mon, 01 Nov 2010, Renat Sabitov wrote:
> After futher investigation I found that all this issue was just my
> fault of fail2ban misconfiguration. I wrote "banaction" instead of
> "action" and my jail worked as tcp multiport instead of all protocol
> filter.

Hm... I am sorry but I am a bit confused...  Is that correct:

before you had following situation: iptables-multiport used for banning
which did not actually ban the IP, thus you were receiving consecutive
'already banned' (due to banning being ineffective due to misspecified
port) and 1 second sleeps after each new "ban".

According to that code review, it seems to remain that fail2ban
sleeps for 1 second after each new ban action, which might be undesired
if there is a flood of attempts; thus might need an improvement to
provide timely banning if illegal attempts are "concentrated in time"...
or am I wrong?

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