Re: Compiling PF and IPFW in the same kernel

2004-10-27 Thread Andrey Simonenko
On Tue, 26 Oct 2004 22:46:53 +0100 in lucky.freebsd.questions, Alexandre Vieira wrote:

 Anyone knows if there is any problem in compiling ipfw and pf in the
 same kernel?
 Which one will be turned of by default? Or will they both be turned on?
 Will the default rule for PF be allow all ?
 

They both will work.

Just test it: let ipfw rules and pf rules to log information about
packets they catch and check which of them get a packet first.

According to netinet/ip_input.c:ip_input function ip_output.c:ip_output
function in 5.2.1 first are called PFIL_HOOKed firewalls, then ipfw is
called, in CURRENT it seems that all firewalls will use PFIL_HOOK.

In 5.x, see net/pfil.c:pfil_list_add function, last several lines
which add firewall hook to the incoming or the outgoing list will
explain which of PFIL_HOOKed firewalls will be called first for
incoming and outgoing directions.
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Compiling PF and IPFW in the same kernel

2004-10-26 Thread Alexandre Vieira
Hello,

Anyone knows if there is any problem in compiling ipfw and pf in the
same kernel?
Which one will be turned of by default? Or will they both be turned on?
Will the default rule for PF be allow all ?

Sorry for the mass questioning!

thanks for your time :)
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Re: Compiling PF and IPFW in the same kernel

2004-10-26 Thread Alex de Kruijff
On Tue, Oct 26, 2004 at 10:46:53PM +0100, Alexandre Vieira wrote:
 Hello,
 
 Anyone knows if there is any problem in compiling ipfw and pf in the
 same kernel?
 Which one will be turned off by default? Or will they both be turned on?

Useing two different firewall doesn't cause a problem. I've used ipfw
and ipf (different from pf, i think) combined. This never caused any
problem. I feel its unlikly if it would cause a problem in this case.

-- 
Alex

Please copy the original recipients, otherwise I may not read your reply.
WWW: http://www.kruijff.org/alex/FreeBSD/
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