Markus Stumpf([EMAIL PROTECTED])@2001.04.24 19:47:37 +0000:
> On Tue, Apr 24, 2001 at 11:48:09AM +0700, Kittiwat Manosuthi wrote:
> > Anybody know how to delay failed authentication attempts to prevent
> > brute force pwd cracking on POP3 server using qmail & vpopmail?
> 
> IMHO not out of the box.
> But you surely could construct something in checkpassword that uses
> a (process independent) ip related counter and just as you use POP after SMTP
> to enable relaying you could add
> <ip>:deny
> lines to your tcpserver control file.
maybe add it to tcpserver?
okay, it would have to have a scoreboard or whatever you might call it
and so fopen() is invoked (maybe) too often... comments?

/k

-- 
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