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Chaffee Jason wrote:
> Here is quick re-cap.
>
> 1) I am running RH 7.0.
> 2) Everything is compiled into the kernel.
> 3) Went through the HOW-TO several times.
> 4) Using the simple rule-set from the HOW-TO
> 5) The server can access external computers on the
> internet.
> 6) The server can access interal computers on the LAN.
> 7) The internal computers can access the server's
> interal interface.
> 8) The internal computer can access the server's
> external interface.
>
> However, the internal computers cannot access anything
> outside of the internal LAN.
>
> Below are the results of 'ifconfig', 'route -n', and
> 'ipchains -L -n'
>
> Here are the results of 'ifconfig':
>
> eth0 Link encap:Ethernet HWaddr
> 00:E0:7D:70:66:5E
> inet addr:111.111.xxx.xxx
> Bcast:111.111.xxx.xxx Mask:255.255.255.224
> UP BROADCAST RUNNING MULTICAST MTU:1500
> Metric:1
> RX packets:279 errors:0 dropped:0 overruns:0
> frame:0
> TX packets:309 errors:0 dropped:0 overruns:0
> carrier:0
> collisions:0 txqueuelen:100
> Interrupt:11 Base address:0x1400
>
> eth1 Link encap:Ethernet HWaddr
> 00:80:AD:08:90:56
> inet addr:192.168.0.1 Bcast:192.168.0.255
> Mask:255.255.255.0
> UP BROADCAST RUNNING MULTICAST MTU:1500
> Metric:1
> RX packets:0 errors:0 dropped:0 overruns:0
> frame:0
> TX packets:5 errors:0 dropped:0 overruns:0
> carrier:0
> collisions:0 txqueuelen:100
> Interrupt:11 Base address:0x1800
>
> lo Link encap:Local Loopback
> inet addr:127.0.0.1 Mask:255.0.0.0
> UP LOOPBACK RUNNING MTU:3924 Metric:1
> RX packets:17 errors:0 dropped:0 overruns:0
> frame:0
> TX packets:17 errors:0 dropped:0 overruns:0
> carrier:0
> collisions:0 txqueuelen:0
>
> Here are the results of 'route -n':
>
> Kernel IP routing table
> Destination Gateway Genmask Flags
> Metric Ref Use Iface
> 207.136.171.128 0.0.0.0 255.255.255.224 U
> 0 0 0 eth0
> 192.168.0.0 0.0.0.0 255.255.255.0 U
> 0 0 0 eth1
> 127.0.0.0 0.0.0.0 255.0.0.0 U
> 0 0 0 lo
> 0.0.0.0 207.136.171.129 0.0.0.0 UG
> 1 0 0 eth0
>
> Here are the results of 'ipchains -L -n':
>
> Chain input (policy ACCEPT):
> Chain forward (policy ACCEPT):
> Chain output (policy ACCEPT):
it sounds like this host just isn't forwarding packets.
that would explain the problem. try:
echo 1 > /proc/sys/net/ipv4/ip_forward
raf
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