On Wed, 23 Feb 2005, Sven Willenberger wrote:
Another feature, in addition to rate throttling and connection throttling in 8.13.x , is the greet_pause feature which delays the initial 220 greeting upon connection by up to x milliseconds. Any connected server trying to issue mail commands prior to the 220 greeting will get met with 550 failures; this is useful for a lot of zombies, etc that just blast out spam/virii without any adherence to protocol.
I've heard good stuff about greet_pause and plan to use it as soon as i get to 8.13.x. What delay do you all typically use to weed out zombies but respect legit servers? Can you disable greet_pause for the local network?
ray -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Ray DeJean http://www.r-a-y.org Systems Engineer Southeastern Louisiana University IBM Certified Specialist AIX Administration, AIX Support =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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