0
votes
0answers
25 views

NAT on LAN interface

I have set up DDNS and it is working fine. The router is D-Link 2750U and I could not see any NATting option on the LAN interface. However, I wish to cut short the trip to the DDNS server when I am ...
0
votes
0answers
41 views

Disable NAT and have a direct WAN - LAN connection with just one PC?

I have a pretty old router which is behaving rather weird with UDP port forwarding (Seems to be blocking/not routing incoming connections). I need it to behave such that the cable is directly ...
0
votes
2answers
69 views

Getting problems connecting to my server

I have a problem in my network. I have one network with 3 computers, 1 printer and 1 windows server version 2008. All computers in the network connected to the server have 192.168.1.xxx- IP addresses. ...
0
votes
2answers
300 views

Iptables: Allow Internal LAN to access INTERNET

I have an internal network behind my router on eth0, and I have my router connected to the internet thorugh wlan0. I can't access the internet from inside the lan, how can I fix this? wlan0: ...
1
vote
1answer
2k views

can't ssh within LAN, but can connect from outside

A strange issue: I have a desktop running Ubuntu 10.04 behind a Netgear WNR1000 router performing NAT. I would like to be able to ssh into the desktop from my laptop (running Windows 7 and Cygwin). ...
1
vote
1answer
5k views

NAT vs Port Forwarding [duplicate]

Possible Duplicate: What is port forwarding and what is it used for? What is the difference between NAT and Port Forwarding? Are they two different names for the same thing? Could you ...
1
vote
5answers
825 views

How do sockets deal with routers?

(Not sure if this should be on the unix stackexchange site...) When I make a socket I use IPv4 and a port number. So if I know both of these, but there's a router set up (on a home network; just ...
3
votes
3answers
1k views

How can my router have the same MAC as a computer in the LAN?

My ISP refused to give out a new IP when I switched from just having one computer in the LAN to using a router in spite of me doing a few releases and renews. So I tried an a little unorthodox ...
1
vote
3answers
151 views

Forbid one ip to access the wan

I'm trying to configure my DLink DI524 to do the following: I've got a PS3 on the LAN trough cable and my router is configured with MAC filters (this part is OK and working). But now I'm trying to do ...
1
vote
2answers
2k views

Two public IPs behind a cable-modem using D-Link DIR-300

I have a cable-modem connection to the internet and I bought a router in order to share my internet connection betwen my laptop and my PC. The router I bought is D-Link DIR-300. The first weird thing ...