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

learn more… | top users | synonyms

0
votes
0answers
72 views

NAT Virtual Host setting in router not working

been working on this for past 1 week now, no break. So I have this local network with IP range 192.168.1.1 to 192.168.1.255 I have a apache server running on 192.168.1.90 on port 80 So I set up a ...
0
votes
0answers
124 views

Linksys WRT54G wireless router UPNP unavailable

I have UPNP enabled on my router. I found the page where it can be enabled or disabled, and it was already enabled, yet the UPNP diagnostic application I am using does not seem to show this device. (I ...
0
votes
3answers
364 views

How does the router know which device to send packets to?

my question does not concern how it moves through the internet, but how it moves through the router to a certain device. All devices connected to a router in a home network have the same external IP. ...
1
vote
2answers
150 views

How can I SSH into home computer from internet

I have a setup like follows I have a router that connects to the INTERNET, where my ISP provides dynamic ip two systems are connected to the router with locl ip 192.168.1.2 and 192.168.1.3 the ...
1
vote
2answers
199 views

Port forwarding with two routers and two machines

I am having issues with a specific game regarding restrictive NAT. The game is AOE online. When I try to play online matches I get a message regarding having a restrictive NAT and can not play. I have ...
1
vote
0answers
55 views

Netgear NAT over LAN TO LAN

I have the following question: I need to connect through a vpn IPsec lan 2 lan tunnel with a partner but they want that I connect through a specific ip subnet which is not mine. Here's the situation: ...
2
votes
3answers
573 views

How can I configure my Server 2012 Hyper-V lab setup with NAT?

I am attempting to create a lab using Windows Server 2012 (GUI) with Hyper-V on my laptop. I am trying to figure out how to create an "Internal" network with NAT through the adapter on the physical ...
2
votes
2answers
577 views

How is double NAT bad practically?

As the ISP-provided modem was generating pretty weak WiFi signal I've disabled its WiFi function, bought an Apple AirPort Extreme and connected it's WAN port to the modem. Now everything works just ...
0
votes
0answers
81 views

domain controllers not communicating with each other on my virtualbox

I configured a domain controller on my virtualbox and I want to connect another DC to it. The guest machine is Windows 8. The network adapter I used is NAT. For the 1st domain controller: ...
3
votes
1answer
444 views

Does Guest WiFi on an Access Point make any sense?

I have a Belkin WiFi Router which offers a feature of a secondary Guest Access WiFi network. Of course, the idea is that the Guest network doesn't have access to the computers/devices on the main ...
0
votes
1answer
55 views

Accessing subnetwork inside college network

I live in an on-campus apartment at a University. I have my own subnetwork setup inside my apartment. For my main gateway I use an Apple AirPort Express and I also have an Asus RT-N12 running as a ...
0
votes
0answers
26 views

NAT traversal used locally - use extrenal IP+port for local resource

I am using a simple webapp hosted on my local LAN through my smartphone. I've set up nat traversal on my router and it all works well when I access my ip+port combination from the outside. However, ...
1
vote
0answers
107 views

shorewall nat to interface alias

I have setup a firewall based on linux and shorewall. I have a wan and a lan interface. The wan interface has 2 ip adresses. A primary and an alias. This is the output of ifconfig -a eth1 Link ...
0
votes
0answers
68 views

1:1 NAT IP address using iptables

Suppose I have 2 internal networks: 1.1.1.0/24 and 1.1.2.0/24 I would like to NAT a specific IP address from one network to the other, in which the new address would be obtained via DHCP. For ...
3
votes
3answers
181 views

Set up Linux box as WAP for MyBookLive?

I inherited an old Linux box as well as a MyBookLive and would like to make the MyBookLive available over my wireless, essentially using the Linux box as a gateway. I just wiped the Linux box (home) ...
1
vote
0answers
112 views

Routers and NAT hole punching? [closed]

I'm trying to understand why UDP hole punching works. Given peers A, B behind a NAT router and Server with port 80 open. A sends a packet to Server from port 1234. This causes the router to open a ...
0
votes
1answer
120 views

What am I missing to enable connection sharing on my Linux box?

I'm having problem setting connection sharing in my Slackware system. I enabled rc.ip_forward: $ cat /proc/sys/net/ipv4/ip_forward 1 And I added the next iptables rule (and I've no other rules): ...
-1
votes
2answers
185 views

How can I allow computers on one router to access computers on another router?

I have a lousy 3801HGV modem/router that I have to use with AT&T UVerse. Due to AT&T issues, that router does not allow the ability to change DNS settings. I have added a LinkSys E1200 as a ...
1
vote
0answers
124 views

IP forwarding with iptables

Suppose there are hosts A and B. A is allowed SSH access to B based on its IP address. Consider now another host C. C does not have access to B, but if we could route its traffic through A, then C ...
0
votes
2answers
98 views

isp overriding netbios

I have a Thomson TG789vn v2 router and a weird way ISP (ASK4, UK) wants me to use it. They are telling me to connect their cable to Ethernet 1 slot and disable DHCP on the router. When I do that ...
0
votes
1answer
506 views

Pinging an external server through OpenVPN tunnel doesn’t work

I have an OpenVPN server and a client, and I want to use this tunnel to access not only 10.0.8.0/24 but the whole internet. So far, pinging the server from the client through the tun0 interface works, ...
1
vote
1answer
50 views

PSExec tool using without authenticating to clients on same subnet

If I am using VirtualBox NAT virtual networking, will I be able to execute programs on another host in my subnet without authenticating?
1
vote
1answer
87 views

NAT and P2P router crash

So..i had this argument with my networks teacher. He said that some people complains about router crashes due to many entrys on NAT tables on a router. I didnt understand and i asked: "If the ...
1
vote
0answers
72 views

Hole punching over multiple ISP [closed]

I have set up my web server on my home PC used to return its client's public ip/port for TCP hole punching. As I tested, All port returned from each request(I bind socket to the same port on each ...
0
votes
1answer
109 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
298 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
145 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
54 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
366 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
72 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
61 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 ...
0
votes
0answers
115 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 ...
0
votes
0answers
70 views

How to deal with redirect traffic in widows2003

I have set up an OpenVPN server on Windows 2003, and I want to route all client traffic through the VPN, so that my clients can connect to the Internet through the VPN server. In the server ...
1
vote
2answers
208 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
68 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
305 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 ...
3
votes
1answer
788 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
2k 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
223 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
720 views

Better ways to setup a webserver behind ISP's NAT

Our entire road is behind an ISP NAT that i can't access, 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
274 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
0answers
10 views

Loadbalance bandwidth on Mac [duplicate]

Possible Duplicate: Internet connection using 2 modem at a time I have two connections to internet, one is via a USB modem and other is via Wifi. I would like to utilize both of them to ...
0
votes
2answers
587 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
106 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
440 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
292 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
2k 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
259 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
120 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 ...
1
vote
3answers
284 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 ...