Re: [RFD] iptables: mangle table obsoletes filter table

From: Jan Engelhardt
Date: Sat Oct 20 2007 - 07:11:01 EST



On Oct 20 2007 00:47, Valdis.Kletnieks@xxxxxx wrote:
>> Sure, the idea was to mark the filter table obsolete as to make people start
>> using the mangle table to do their filtering for new setups. The filter
>> table would then still be available for legacy/special setups. But this
>> would only be possible if we at least ported the REJECT target to mangle.
>
>That's *half* the battle. The other half is explaining why I should move
>from a perfectly functional setup that uses the filter table. What gains
>do I get from doing so? What isn't working that I don't know about? etc?
>
>In other words - why do I want to move from filter to mangle?

Packet processing time.
Compare previous:
packet goes through mangle, then is dropped in filter
Compare afterwards:
packet is already dropped in mangle

=> less code to run through
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