Date: Thu, 30 Nov 2000 09:05:12 -0300 From: "Roberto Samarone Araujo (RSA)" <sama@supridad.com.br> To: <freebsd-security@FreeBSD.ORG> Subject: FreeBSD Firewall - Help please Message-ID: <017801c05ac5$cafd02d0$3cfdf2c8@nirvana>
next in thread | raw e-mail | index | archive | help
Hi,
I've set up a FreeBSD 4.1.1 firewall that deny everything by default. I
opened some ports that I need but, I'm having some problems with this
services : DNS,FTP,POP3 and SMTP. I put this rules in order to open this
services but, it doesn't work.
Please, Help me
## Allow TCP through if setup succeeded
$fw add pass tcp from any to any stablished
## Allow DNS queries out in the world
$fw add pass udp from any 53 to $ip
$fw add pass udp from $ip to any
## Allow DNS access to my DNS
$fw add pass tcp from any to $ip 53 setup
## Allow setup of incomming email
$fw add pass tcp from any to $ip 25 setup
## Allow POP3
$fw add pass tcp from any to $ip 106 via $if setup
## Allow FTP from local network
$fw add pass tcp from $net:$mask to $ip 20 setup
$fw add pass tcp from $net:$mask to $ip 21 setup
$fw add pass udp from $net:$mask to $ip 20
$fw add pass udp from $net:$mask to $ip 21
# Deny everything
$fw add 65534 deny log all from any to any
Thanks for help
Roberto Samarone Araujo
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-security" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?017801c05ac5$cafd02d0$3cfdf2c8>