Separate rules for each port, or one for all ports?

[Vadim Goncharov]

Hi Freddie Cash! 

On Wed, 19 Mar 2008 13:32:01 -0700; Freddie Cash wrote about 'Separate rules for each port, or one for all ports?':

> I'm just curious if there is any information available on how quickly ipfw 
> processes rules, and whether or not a long list of ports in a single rule 
> makes things faster or slower?

> Just curious if there is a big difference between:

> ipfw add allow tcp from any to me 22,25,80,110,143,443,10000 in recv fxp0

> and

> ipfw add allow tcp from any to me 22    in recv fxp0
> ipfw add allow tcp from any to me 25    in recv fxp0
> ipfw add allow tcp from any to me 80    in recv fxp0
> ipfw add allow tcp from any to me 110   in recv fxp0
> ipfw add allow tcp from any to me 143   in recv fxp0
> ipfw add allow tcp from any to me 443   in recv fxp0
> ipfw add allow tcp from any to me 10000 in recv fxp0

> Other than the ability to track traffic through each port, of course.

The first becomes significantly faster when you have hundreds of rules.

-- 
WBR, Vadim Goncharov. ICQ#166852181       mailto:vadim_nuclight at mail.ru
[Moderator of RU.ANTI-ECOLOGY][FreeBSD][http://antigreen.org][LJ:/nuclight]