firewall on freebsd
Chad.Albert at healthcarefirst.com
Fri Jun 24 20:09:18 GMT 2005
I have been using ipfw for quite some time and I love it. The only
issues I have with it are on the NAT side. Without a tool to modify the
current nat rules, I can not change them dynamically without editing my
config file then doing something like...
killall -9 natd ; sleep 2 ; /sbin/natd -f /etc/natd.conf &
to reinitialize it. Also natd is resource intensive. I have a PII 266
(not exactly a monster) and natd chews up 20-30 percent of my cpu during
the day while nating about 3Mb/sec of traffic. I am planning on
switching to pf and implementing a load balanced pair of firewalls using
carp and pfsync. I hope that using an in-kernel nat will help
performance and give me better control while adding/removing rules.
From: owner-freebsd-questions at freebsd.org
[mailto:owner-freebsd-questions at freebsd.org] On Behalf Of Khanh Cao Van
Sent: Friday, June 24, 2005 8:33 AM
Subject: firewall on freebsd
I'm going to learn about the freebsd firewall . In the handbook list
some of them and I could not find out what is the best . So I decided to
post here hoping to gain some of your opinion and experience .
I would like to know what firewall was the most wanted ? I have used
Linux several months and IP tables was a good statefull firewall .
What about in freeBSD ?
Thank for reading :)
Cao Van Khanh
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