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Date:      Sun, 7 May 2000 08:13:25 -0700 (PDT)
From:      Allen Lu <allenklu@yahoo.com>
To:        questions@freebsd.org
Subject:   ipfirewall (ipfw)
Message-ID:  <20000507151325.18380.qmail@web2103.mail.yahoo.com>

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Hi I have a question that I've been trying to find an
answer in the docs for a while but can't seem to get a
finger on what the problem could be.

I'm using the latest standard release FreeBSD-4.0.
These are my kernel changes under MYKERNEL to turn on
firewall and static natd on two interfaces: rl0, rl1.
Followed by my rc.conf.

The problem is packets are not getting forwarded by
the redirect_address statement in my /etc/natd.conf
file. My goal is to setup a static natd by translating
a real internet IP to the public interface (rl0) and
redirect it after filtering to the private LAN via
192.168.1.1 to 192.168.1.10. When I telnet to
216.218.224.107, it goes to the firewall, not the
destined client I want. I also cannot ping
216.218.224.107 on the firewall itself. 224.107 is
aliased to 224.106, which is the original ip address
of the public card.

KERNEL:
options         IPFIREWALL
options         IPFIREWALL_VERBOSE
options         IPDIVERT

rc.conf:
# -- sysinstall generated deltas -- #
gateway_enable="YES"
network_interfaces="rl0 rl1 lo0"
ifconfig_rl0="inet 216.218.224.106 netmask
255.255.255.248 broadcast 216.218.224
.111"
ifconfig rl0 alias 216.218.224.107 netmask
255.255.255.248
ifconfig_rl1="inet 192.168.1.1 netmask 255.255.255.0"
ifconfig_lo0="inet 127.0.0.1"
defaultrouter="216.218.224.105"
hostname="rogue.alltopix.com"
firewall_enable="YES"
firewall_type="open"
firewall_quiet="NO"
natd_enabled="YES"
natd_interface="rl0"
natd_flags="-u -m -f /etc/natd.conf"
sendmail_enable="NO"
gateway_enable="YES"
router_enable="NO"
static_routes=""
router="routed"
mrouted_enable="NO"
mrouted_flags=""
ipxgateway_enable="NO"
tcp_extensions="NO"
ipxrouted_enable="NO"
ipxrouted_flags=""
arpproxy_all=""
forward_sourceroute="NO"
accept_sourceroute="NO"

/etc/natd.conf:
redirect_address 192.168.1.10 216.218.224.107

Any suggestions to why it doesn't work?

Allen




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