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tcp_fin_wait_2_flush_interval
2008 Jul 23
3
login processes from attacks staying for hours
I'm in the process of rolling out new setups with dovecot on CentOS 5.2
and I notice that dovecot doesn't handle the brute-force attacks too nice.
I reduced the limit a bit to some reasonable looking value:
login_max_processes_count = 32
to stop them earlier and the number of processes stops at that figure when
an attack happens.
However, it stays at this count for hours although the