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I'm having lots of trouble accessing my RH9 box from my external IP. I have read enough about port-forwarding and DMZ and its just not happening. It could be the ...
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- 02-06-2004 #1
- Join Date
- Feb 2004
Troubleshooting RH9 behind PT-3812
I'm having lots of trouble accessing my RH9 box from my external IP. I have read enough about port-forwarding and DMZ and its just not happening.
It could be the modem - i've exchanged it for a new one... same prob: everything is working except this.
It could be the RH9 box however...
- iptables is all set to ACCEPT
- tcp wrappers are set to default (host.allow/deny are blank)
- running an nmap scan displays all necesary ports are open on the local IP
- all servers are accessable by the local IP
I tried setting the DMZ to an unused IP and scanned the external IP with an number of scanners all reporting that there are no stealth ports - does this mean its the modem again?
Is port forwarding conditional of the modems NAT or WAN settings?
Can anyone please help?
[root@localhost build_unix]# cat /proc/modules
iptable_filter 2412 0 (autoclean) (unused)
ip_tables 15096 1 [iptable_filter]
ide-cd 35708 0 (autoclean)
cdrom 33728 0 (autoclean) [ide-cd]
parport_pc 19076 1 (autoclean)
lp 8996 0 (autoclean)
parport 37056 1 (autoclean) [parport_pc lp]
autofs 13268 0 (autoclean) (unused)
8139too 18088 1
mii 3976 0 [8139too]
keybdev 2944 0 (unused)
mousedev 5492 1
hid 22148 0 (unused)
input 5856 0 [keybdev mousedev hid]
usb-uhci 26348 0 (unused)
usbcore 78784 1 [hid usb-uhci]
ext3 70784 4
jbd 51892 4 [ext3]
- 02-06-2004 #2
- Join Date
- Oct 2001
- Täby, Sweden
I think the best way to see if the problem lies with the computer or the modem/router is to run tcpdump or ethereal on the computer while sending packets to it from an outside computer.