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PF and NAT (simple) -(sysctl.conf has been edited already)
- To: misc_(_at_)_openbsd_(_dot_)_org
- Subject: PF and NAT (simple) -(sysctl.conf has been edited already)
- From: "Fehmi Noyan Isi _EEE01" <fni18444_(_at_)_mail2_(_dot_)_gantep_(_dot_)_edu_(_dot_)_tr>
- Date: Fri, 8 Oct 2004 09:19:11 +0300
System : OpenBSD 3.5 GENERIC i386
I am trying to connect my PCs to net over an OpenBSD NAT gateway.
There are two ethernet interfaces on my openbsd box. external is "vr0" (which
is connected to internet) and internal is (which is connected to switch)
# echo dhcp > /etc/hostname.vr0
# echo "inet 192.168.0.1 255.255.255.0 NONE" > /etc/hostname.rl0
(I also tried 192.168.0.0!)
then edited /etc/sysctl.conf, /etc/pf.conf and /etc/rc.conf files and added
the lines below
nat on $ext_if from $int_if:network to any -> ($ext_if)
And the output of my "pfctl -sn" is
nat on vr0 from inet 220.127.116.11/24 to any -> (vr0)
I can connect to internet with my openbsd box. And ping the other machine on
my network (and also to another machine on the internet). But other machine
(which I pinged before) cannot connect to internet!
What is wrong? Is there a problem with IP address of rl0?
If I use dhcp for rl0, but interface cannot get the IP addresses (I know from
output of "ifconfig -a" and "errors given by PF")
Thanks for your advices...
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