IPFW update frequency
asstec at matik.com.br
Fri Mar 30 22:50:33 UTC 2007
On Friday 30 March 2007 17:40, Julian Elischer wrote:
> I have been looking at the IPFW code recently, especially
> with respect to locking.
> There are some things that could be done to improve IPFW's
> behaviour when processing packets, but some of these take a
> toll (there is always a toll) on the 'updating' side of things.
would you mind to explain your way of "add a toll", do you mean kind of price
for a benefit or something like that? Sorry I am not native american english
If I understand this right I would say that it does not matter for adding
rules, what is of interest is processing time when they exist already
> Is there anyone out there who is adding hundreds (or even dozens) of rules
> per second on a continuous basis, or who wants rule changing to
> be a really efficient operation?
even if ...
I have a system which takes additional custom parms from rc.conf.
so lets say the admin configures a new IP or port he executes a script which
flushes the old and executes the new rules
it doesn't matter the time it takes to execute the new rules - what certainly
depends on machine capacities - what matters at the end is how fast the
machine can process the rules at run-time ... whatever it is .. as long as it
is faster ... not building the rule set but running them under load
> (does it matter to you if it takes a few milliSecs to add a rule?)
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