DNS requests |
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mikek 
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Joined: 22 February 2005 Location: Switzerland Status: Offline Points: 133 |
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 Topic: DNS requestsPosted: 01 September 2006 at 9:33am |
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Does SF cache the DNS replies it gets? If not, would it be advisable to install a (cache-only) dns server on the same machine as SF to cut down on network traffic?
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LogSat
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Joined: 25 January 2005 Location: United States Status: Offline Points: 4105 |
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Posted: 01 September 2006 at 10:03am |
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SpamFilter does not cache DNS replies. However...
If an IP address is sending spam, after a few emails get caught within a short period of time, the IP will be added to a temporary local IP blacklist cache (if this filter is enabled), and any further connections will be immediately rejected. |
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mikek
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Joined: 22 February 2005 Location: Switzerland Status: Offline Points: 133 |
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Posted: 01 September 2006 at 10:40am |
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Yes I'm aware of that function...
So you would say installing a cache-only dns server on the machine would help? A ham message goes through a lot of tests - and quite a few of them are DNS based, so I would expect a cut down of external DNS requests... What do you think? Should I try? |
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