cyrus daemons: -U option

Henrique de Moraes Holschuh hmh at
Fri Mar 11 15:54:48 EST 2005

On Fri, 11 Mar 2005, Jukka Salmi wrote:
> why is it needed to shut down a process after it has handled a certain
> amount of connections? I'm talking about the -U option to imapd, pop3d,
> lmtpd, nntpd, etc.

It is not _needed_.  But it is a defense against lurking bugs that leak
memory, and againt some scenarios of memory corruption and attacks.

It is just a safety net.  If it is causing too much of a performance
drawback for you, don't use it.

  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh
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