Date: Tue, 21 Mar 2000 14:22:39 -0700 From: Laszlo Vagner <george@vagner.com> To: questions@freebsd.org Subject: wierd problem with natd Message-ID: <00032114373100.05442@john.vagner.com>
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i have 2 network cards vr0 and ed1 installed with firewall enabled and using a
rule that is open running natd -n ed1.
2 machines are 192.168.151.1 and .2 the vro interface is
.0 and the ed1 interface is on outside net.
i can ping the internet from the .1 machine thru the gateway but not from
the .2 machine, i tried pinging ip addresses inside and that works but not the
outside interface on 1 machine only.
i hope this is clear... the inside machines are win 98 and the gateway is set
to the outside interface address.
here is some output from relevant things
sorry for long lines
$ ifconfig -a
ed1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 24.1.216.237 netmask 0xfffffc00 broadcast 24.1.219.255
ether 00:80:c8:c1:3f:45
vr0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 192.168.151.140 netmask 0xffffff00 broadcast 192.168.151.255
ether 00:50:ba:a9:e1:60
media: 10baseT/UTP <half-duplex>
supported media: autoselect 100baseTX <full-duplex> 100baseTX <half-duplex> 100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP 10baseT/UTP <half-duplex>
lp0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
tun0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
sl0: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 552
ppp0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet 127.0.0.1 netmask 0xff000000
$ $ netstat -rn
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif Expire
default 24.1.216.1 UGSc 65 29198 ed1
24.1.216/22 link#1 UC 0 0 ed1
24.1.216.1 0:e0:34:4b:b0:0 UHLW 63 8 ed1 1193
24.1.216.237 0:80:c8:c1:3f:45 UHLW 1 273 lo0
24.1.219.255 ff:ff:ff:ff:ff:ff UHLWb 0 1 ed1
127.0.0.1 127.0.0.1 UH 0 19 lo0
192.168.151 link#2 UC 0 0 vr0
192.168.151.140 0:50:ba:a9:e1:60 UHLW 0 8 lo0
192.168.151.141 0:80:c8:c1:59:73 UHLW 0 4 vr0 1168
192.168.151.142 0:60:8:e0:6e:4b UHLW 0 7 vr0 1177
192.168.151.255 ff:ff:ff:ff:ff:ff UHLWb 0 7 vr0
$ $ uname -a
FreeBSD www.timandpatrick.com 3.3-STABLE FreeBSD 3.3-STABLE #1:
Sun Nov 28 17:20:01 MST 1999 root@www.timandpatrick.com:/usr/src/sys/compile/GENERIC i386
$ $ cat firewall
/sbin/ipfw -f flush
/sbin/ipfw add 1000 divert natd all from any to any via ed1
/sbin/ipfw add 2000 pass all from any to any
$ $ cat rc.conf
# This file now contains just the overrides from /etc/defaults/rc.conf
# please make all changes to this file.
# -- sysinstall generated deltas -- #
moused_enable="YES"
gateway_enable="YES"
network_interfaces="ed1 vr0 lo0"
ifconfig_ed1="inet 24.1.216.237 netmask 255.255.252.0"
ifconfig_vr0="inet 192.168.151.140 netmask 255.255.255.0"
defaultrouter="24.1.216.1"
hostname="www.timandpatrick.com"
$
relevant /etc/defaults/rc.conf
firewall_enable="YES" # Set to YES to enable firewall functionality
firewall_script="/etc/firewall" # Which script to run to set up the firewall
firewall_type="open" # Firewall type (client /etc/rc.firewall)
firewall_quiet="NO" # Set to YES to suppress rule display
natd_program="/sbin/natd" # path to natd, if you want a different one.
natd_enable="YES" # Enable natd (if firewall_enable == YES).
natd_interface="ed1" # Public interface or IPaddress to use.
natd_flags="" # Additional flags for natd.
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