Network Address Translation, a technology used to translate a private IP address into a public IP.

learn more… | top users | synonyms

0
votes
1answer
183 views

ISP 5 Device Limit … again

Sorry for the delay in responding to the suggestions that were posted in my first question (ISP 5 Device Limit - double NAT the solution?). I've been travelling and have not been able to try anything. ...
1
vote
0answers
436 views

Routing table on Linux not respected

I have a very specific problem, building a Linux VPN endpoint (with external VPN Gateway), which should route certain networks over the tunnel, others via default gateway. The Linux VPN should do a ...
0
votes
1answer
293 views

domain network with DHCP + NAT

I'm configuring a virtual network on an esx server. I have a Windows Server 2008 R2 configured with these roles: - active directory domain services - DHCP server - DNS Server - Network Policy and ...
0
votes
1answer
96 views

About Wireless Router with 1:1 NAT Function

I have a old TP-Link Giga Router has 1:1 NAT Function, But does not have wifi. So to have wifi, I have two options: Buy wifi access point and connect to my current router Get a wifi router with 1:1 ...
0
votes
1answer
2k views

Can I use a gateway address on another subnet?

I've some problem connecting my virtual machine to my internet. Can I use another gateway ip address other then my subnet ip address? The gateway ip address is from my router ip address? My problem is ...
2
votes
0answers
99 views

Turning Computer into Router,Network Address Translation encryption.?

I have windows seven and am using connectify. but when i try to connect to the interner through my ethernet court in my dorm room the comp0uter doesnt recognize the ethernet cord. I belive that the ...
0
votes
2answers
95 views

Can I run a mix of static addressing and NAT?

Let's say that an ISP offers a plan with 5 static IP addresses, but I have more than 5 devices, many of which (such as a networked printer, for instance) I do not want or need to have a static IP ...
1
vote
0answers
147 views

Is there a decent diagram of packet flow for a modern era (2.6+) iptables setup?

I'm currently trying to debug a particularly hairy set of DNAT based iptables rules (the UDP reply never makes it back to the original requester) and I'm struggling to visualise the packet flow ...
1
vote
2answers
366 views

ISP 5 Device Limit - double NAT the solution?

I have asked this question in response to another question here ( 5 Max connections/devices to the internet? Is my ISP limiting me somehow? ), but thought I should start a thread to see if I can get ...
0
votes
0answers
108 views

CNet router - no field for private port

I'm trying to configure port forwarding on my CNet router for a locally hosted HTTP server. The model number of my router is CQR-981 and the firmware version is 1.0.43. The problem is that there's no ...
1
vote
2answers
585 views

TCP/UDP hole punching from and to the same NAT network

I was wondering if tcp/udp hole punching would still work when you are in the same network (behind a NAT), and what the packet's path would be. What happens when using hole punching on the same ...
4
votes
2answers
3k views

No internet on host OS (OS X Lion) when VMware Fusion is running

I have installed OS X Mountain Lion as a VM in VMware Fusion (version 4.1.2) for environment testing. The host OS is OS X 10.7.4, and is connected to the internet via a wired connection (in fact I get ...
2
votes
3answers
3k views

NAT vs public IP (and blocked ports)

I have a problem with my ISP. They say that they don't block any ports and I have public IP, while I think these both statements are false. Before I talk to them again (which is really tough when my ...
0
votes
3answers
362 views

Connecting to FTP server that's behind a NAT [duplicate]

Possible Duplicate: What is port forwarding and what is it used for? So I want to allow my machine behind NAT to be accessible via FTP. However, as it is behind NAT, it is not possible to ...
2
votes
2answers
2k views

Better ways to setup a webserver behind ISP's NAT

Our entire road is behind an ISP NAT that I can't access. Our ISP wont forward a port either. My workaround, I setup an ipv4 to ipv6 tunnel using freenet6. I get a domain like ...
0
votes
1answer
432 views

How can I ssh into my home computer from the internet?

Is there software that will help me to ssh/connect to my home computer from the public internet? (Say, a coffee shop). I understand that questions similar to this have been asked, but none seem to ...
0
votes
2answers
881 views

Can I know what IP address my home network has? [duplicate]

Possible Duplicate: Fastest method to determine my PC's IP address (Windows) I'm not sure the title of my question is appropriate, and I'm not sure my question is going to be ...
2
votes
1answer
205 views

NAT/PAT, URL dependant, cisco 7301

I need to configure cisco 7301 with list of hostnames/ip's. These need to be forwarded to internal ip's/ports (depending on the hostname) In the current setup... www.frog.com, ip 82.45.100.100 nat's ...
0
votes
1answer
1k views

Can I create a reverse ssh tunnel by using my Android phone as the middle man?

I am trying to connect my home linux laptop and my work Windows 7 computer. They are both behind NAT w/ firewall and neither allows port forwarding. I cannot control the NAT, firewall or port ...
0
votes
2answers
656 views

Weird slow uplink problems on my home Debian router and new fast connection

Yesterday I got a new and shiny VDSL2 connection home! It's specced at 100Mbit/10Mbit, and seems to deliver pretty close to the mark. Now, I have a Debian squeeze linux box acting as a home NAS and ...
3
votes
4answers
3k views

how to ssh two computers behind NAT and Firewall, without third computer

I am trying to ssh into my Linux box at home. My home is a dorm-style environment - NAT and Firewall with personal laptop running Arch Linux. My work is corporate style Windows 7 - NAT and proxy ...
0
votes
2answers
376 views

How to browse my local website running on Mac OS X from my guest VMWare Windows 7 machine?

I am running OS X Mountain Lion as the host, and Windows 7 inside a VMWare Fusion 4.1.3 machine. I have a local website running on the host (under port 5000). I want to access this website from the ...
1
vote
0answers
144 views

How to provide “reverse ssh” to a shell?

Scenario: Many embedded devices (running Linux) out in the fields, behind routers so NAT'd and we can't make connections to them. We need for a support person to be able to initiate a terminal/shell ...
4
votes
3answers
1k views

NAT and UDP replies

Sanity check please. If I send UDP packets from Machine A behind a NAT to Machine B's port N, where Machine B is outside the NAT (elsewhere on the Internet), can I reasonably expect that NAT to pass ...
1
vote
1answer
284 views

Failover WAN with multipath

I'm configuring a dd-wrt router to allow access via VPN to a remote desktop server. The router will sit behind another router providing NAT. I'm configuring it with a backup 3G mobile broadband link. ...
1
vote
1answer
623 views

use computer as NAT router or proxy to share access by USB 3G dongle

I'm in a strange, fun situation with a dual boot windows XP/Ubuntu linux computer that is only connected to the internet via USB 3G dongle, and i need to connect another device that only has a ...
3
votes
3answers
1k views

How is traffic separated between internal and external IPs?

If I ping 192.168.0.X from my home network then it will attempt to look within my network for that address and not the external WAN IP. However I can ping 74.125.224.163 and it will ping google.com. ...
1
vote
3answers
2k views

enabling loopback NAT

I have a Qwest Aciontec Q1000 modem/router combo, which does not support loopback. I run a webserver on the LAN, and when I'm on the LAN, I can only access it by its local IP 192.168.0.201. When I'm ...
-1
votes
2answers
7k views

How to connect wireless router to work network with NAT?

I want to connect a wireless router to my work network, but I want all the wireless clients connected to the router to appear as a single IP address to the "men in black" network admins. So I believe ...
2
votes
0answers
60 views

Linux VM can not connect to the internet

I'm trying to set up an virtual server with connection to the internet. When I start a ping to the local network, there are no problems. When I try to ping an address from the internet, it shows that ...
1
vote
1answer
1k 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). ...
0
votes
1answer
268 views

Connecting to network device behind NAT from local LAN using the external port and IP

I noticed at several different LANs connected to the Internet through a NAT the following phenomena. There is a server in the LAN and there is a port forwarding to reach this server also from outside ...
0
votes
0answers
186 views

Unable to open websites that use HTTPS on linux

I have the following network configuration: My PC 192.168.1.20/24 uses 192.168.1.1/24 as a gateway. Dlink-2760U router with Local address 192.168.1.1/24 has a VPN connection open with the provider ...
0
votes
1answer
94 views

NATing with a single-homed machine possible?

I have the following setup: a) a single-homed machine, A, that can see the Internet. b) other machines B, C, and D that cannot see the Internet. c) A, B, C, and D can see each other. d) all ...
13
votes
2answers
3k views

How will home networks work in the IPv6 world?

Right now, I have a home network setup behind a Netgear router. That router has a public IP address I get from Comcast. I also have a computer setup on my home network running Linux that runs a DHCP ...
0
votes
1answer
277 views

NAT works for Windows guests but not for Linux guests

I have just updated to VMPlayer 4.0.3 (from 4.0.1) on a Windows 7 host. All the various guests are configured for NAT networking and DHCP, and before the upgrade every OS could reach out the ...
0
votes
1answer
4k 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 ...
0
votes
1answer
265 views

Cross-platform VPN software in a firewalled environment

I am currently working on setting up a VPN in order to allow the control over some computers. However there are some problems that I am encountering in setting this up Many (if not all) of the ...
0
votes
1answer
201 views

NAT on MAC-filtered network

My ISP (Hyperion S.A.) provides internet using a UTP cable with MAC filtering. I'm trying to set up a router so that I can connect multiple computers to the network. Most computers would connect ...
1
vote
0answers
362 views

How do you set up port-forwarding on a SwissCom Motorola Centro Grande?

I'm setting up a Minecraft server and the NAT forwarding on my router isn't working. This isn't the first time I'm doing this - I previously did this with an Apache server (used to run a server) and ...
1
vote
3answers
98 views

In which network layer is the data located that lets a gateway(using NAT) know which computer a packet is meant for?

Main questions: In which network layer is the data located that lets a gateway(using NAT) know which computer a packet is meant for? Could someone explain how the process works? In explaining the ...
1
vote
2answers
5k views

How to alias an IP address to make DLNA resource accessible from different IP network

what I have I have a home wifi network 192.168.1.0/24 having DLNA resource 192.168.1.100. I have a TV with ethernet and a netbook with both wifi and ethernet interfaces. I want to make my notebook ...
2
votes
1answer
617 views

How to know if I am connected to the internet by NAT or something else that assigns me a public IP address?

I am connected to the internet through a proxy. When I went to What Is My IP, it shows a different address than that of my proxy. It's is showing the same IP address even when I connect through a ...
0
votes
0answers
408 views

Robust way to acces my computers behind NAT and firewalls?

I am searching for a robust way to access my computers (on any port when possible) whether they are behind several NAT gateways or not. By robust I mean I want to access the computers whenever they ...
0
votes
1answer
315 views

Forward Ports to a computer on the guest network (AirPort Extreme)

Is it possible to forward ports (ex: 80, 443, 21, 22, 23, 25, 110, 143, 3389, ...) to a computer on the Guest network a of AirPort Extreme ?? I have the both network enabled and I want my child to ...
0
votes
1answer
232 views

Push local traffic “outside” the nat

I have a server functioning as my nat that hosts some services. When I locally connect via UDP to this server it my client uses the public ip but the server answers with its local ip. So the question ...
6
votes
4answers
3k views

Why do we have NAT if we could just assign a public IP address?

If the private address block is simply used to allow the router to determine where packets can and cannot be forwarded from (because private addresses need to be unique on their own network, but can ...
2
votes
2answers
3k views

Frequent connection drops when playing online games (StarCraft 2, Battlefield 3) and behind NAT - how to diagnose?

I am having some trouble with (I suspect) my wireless router. It's connected to the internet with a regular lan cable and has a static, public IP address. Our two home PCs connect to the router with ...
1
vote
2answers
3k views

How can i setup a guest-guest network connection with virtualbox?

I have setup multiple guest hosts with NAT networking. On each hosts i have some portforwards so i can connect from my host (like 2222 to 22 host 1, 2223 to 22 host 2, ...). How can i setup a ...
1
vote
1answer
253 views

Usage of two Routers on LAN

I've currently own a Linksys E4200 and a Thomson 546v6. Because I have an IPTV service I must set the Thomson as the main router connected to the phone line so that I can distribute the video signal ...