Port forwarding is the act of using redirecting one port to another, commonly used to access a computer from behind a firewall with NAT.

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What is port forwarding and what is it used for?

There are a lot of questions on 'port forwarding' but there doesn't seem to be one that clearly states what it is and what it's used for. So: What is Port Forwarding? What is it used for, and why ...
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4answers
683 views

Remote connection to a PC over internet

I have a PC running Windows Vista Home Premium with Norton Internet Security 2009. I like to help my father and sister by connecting their PCs over the internet and taking full control. My father has ...
2
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1answer
988 views

Connecting to my own network via external IP

Even though I have seen and read quite a few similar Q's I was still unable to understand what is required for me to be able to do this. I have an internal network. One of the machines is a web ...
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3answers
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Allowing access to localhost outside network

I have a Netbeans project running on localhost with Tomcat and MySQL, all is well. I now want to show my progress to someone in another part of the country. How do I let him access my website ...
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4answers
15k views

DD-WRT: How to allow port forwarding to apply to requests originating from inside the LAN?

With the original firmware of my router I had port forwarding defined from port 80 to the server in the LAN, which I used in conjunction with an external dynamic DNS service. I've now upgraded to ...
0
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2answers
513 views

Port forwarding my router

I am trying run a web server on my static IP address but when I open my IP address its opening my DSL router how can I assign that IP to my computer any ideas?
5
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4answers
3k views

SSH to computer with shared public IP and no admin rights over the router

I live in a student dorm (off-campus) and all students of the dorm share the same WAN IP (Internet or public IP), which is fortunately static. I am not an admin and have no control over the router ...
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5answers
1k views

Unable to outside access service from inside LAN

I have a weird port forwarding problem. I tried to open my port 22 to the outside network. I was able to access it as long as I am not inside the LAN. I can access it from my office for example. But ...
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5answers
293 views

Why do I see router and not my real IIS?

I am trying to access IIS through web but unable to do so. Basically I have a router (which functions as router and modem) that is given by ISP and I have another router connected to the router given ...
2
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2answers
889 views

Why my Port Forwarding rule is not working?

I'm a total noob about TCP/IP, and try to set a port forwarding rule. What I'm trying to do is this: I have multiple computers connected to my router (zyxel p-660hw-t1 v2), one of them is working ...
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5answers
1k views

Port Forwarding and Internet Sharing Problem

This is not a firewall issue. I have an ADSL connection, and have set port 50420 to be forwarded locally for use with utorrent. Everything was working fine, and various tests and utorrent itself ...
0
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2answers
565 views

Connecting PS4 through SonicWall TZ100 firewall | Sony Error NW 31162-3

I am attempting to Connect my PlayStation 4 through my SonicWall TZ100. I have below Ports Forwarded. I'm not great with Packet capturing, but as far as I can tell nothing is getting bounced that is ...
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6answers
2k views

Port Forwarding not working in DSL Router

I am using BSNL BroadBand connection and a DSL Router is provided that can act as a Default Gateway to many wireless devices. One such device is my server. I have bought a static ip on lease. So that ...
0
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2answers
3k views

port forwarding for facebook to reach me?

I am developing a facebook app in my htdocs folder in python. i am behind an ADSL Modem, then a Wireless Router. I have a static IP. Now how do i get Facebook to reach me? In the connect and callback ...
7
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2answers
4k views

No idea what is listening on port 80 in OS X

I'm on OSX Mountain Lion 10.8.3, and I've freshly rebooted my Mac. I want to start a service (like Apache on port 80), but there is already something going on with port 80: telnet localhost 80 ...
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1answer
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pfctl port forwarding in Mac osx?

-A PREROUTING -s 10.0.10.0/24 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 8080 -A PREROUTING -s 10.0.10.0/24 -p tcp -m tcp --dport 443 -j REDIRECT --to-ports 8080 -A POSTROUTING -s 10.0.10.0/24 -o ...
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4answers
4k views

Port forwarding software (service) for Windows

I have a server service that uses 8182 port. Somebody want to connect to this, but 8182 port is unavailable for him, only 5118 working fine. No problem I thought, I just install port forwarder ...
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3answers
2k views

Stable reverse port forwarding in SSH and stale sessions

Using VPS to forward ports behind NAT: for((;;)) { ssh -R 2222:127.0.0.1:22 vi@vi-server.org; sleep 10; } When connection is broken somehow and it is reconnecting. Warning: remote port forwarding ...
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2answers
2k views

Forward Ports on Parallels

I have a dev server on port 8080 on my mac, and I'm trying to access it from a clean installation of Windows 7 in parallels. Ipconfig says my VM's IP address is 10.211.55.3. I can access the mac ...
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2answers
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Differences between ssh -L to -D

I'm trying to understand the differences between ssh -L to -D. Is there anything else except for that -D is SOCKS only? Thanks!
3
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2answers
237 views

Port forwarding in D-LINK DIR-524 router

I have Tomcat installed and I want to access it via internet. I can access it locally via localhost:8080/appname, but not from internet via http://externalip:8080/appname. I have configured my D-LINK ...
2
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2answers
632 views

Iptables port mapping from two PCs to one

We have 3 PCs, two of it are connected to internet (both of it have 2 NIC) PC1: eth0 - 1.0.0.1 (external IP) eth1 - 172.16.0.1 (internal IP) PC2: eth0 - 1.0.0.2 (external IP) eth1 - 172.16.0.2 ...
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1answer
584 views

Why is my connection refused when port-forwarding?

This question is related to this: Application / Device setup for remote network connections I have a 2wire 3801HGV router and I made some firewall settings to open some ports on one of my connected ...
0
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0answers
180 views

Why can't I access MySQL server with port forward rule in router?

This is my setup (the relevant parts, anyway): I have port forwarding rules in place (in the Linksys) for all the relevant ports and I've restarted that router multiple times, each time hoping that ...
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1answer
486 views

How do I establish a connection between 2 computers on different subnetworks?

computer A(192.168.1.134) needs to establish a UDP connection to computer C(192.168.0.30). As you can see both are on a different subnetwork. Now I have computer B which has 2 IP addresses, one for ...
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Allowing a friend to connect over the internet to a Minecraft server I've hosted?

I have set up a Minecraft server and have built lots of things, now I want my friend to play on it too. I'm hosting it on my home computer and don't want to have to set up a new server elsewhere so ...
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3answers
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How can I get my routers to forward ports correctly?

My network currently looks like this (simplified): Note that Router #2 is connected to the LAN interface of Router #1. This should be familiar to anyone who has seen a standard static-IP setup ...
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1answer
17k views

Windows Firewall: How to allow traffic on a specific port (eg. 8080)?

I am trying to configure team Foundation Server so that 1) it is accessible from within my Home Network 2) and then make the Web site access accessible via the Internet I have a problem with point ...
3
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1answer
3k views

Forward Same Ports to Multiple IPs [closed]

I am trying to forward a series of ports to my computer. I have several computers in my network, and believe my router randomly assigns a port to each computer that connects to it. As I don't have a ...
2
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6answers
377 views

Trying to set up at-home server but not able to set up IP forwarding

I'm having a bit of an issue trying to enable IP forwarding for my server. Hardware: Modem: Embarq 660 Series Router: DI-624 D-Link Computer: Vaio Windows Server Software: Apache, MySQL, PHP ISP: ...
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1answer
564 views

How to tunnel a local port onto a remote server

I have a domain that i bought from DynDNS. I pointed the domain at my ip adress so i can run servers. The problem I have is that I don't live near the server computer... Can I use an ssh tunnel? As I ...
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4answers
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Why doesn't port forwarding work correctly for me?

First off, my router is a D-Link DIR-655, firmware v2.07. I'm trying to port forward port 25565. My port forward settings are this: However, when I use this open port checker, it claims that I ...
2
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1answer
602 views

Port Forwarding UDP ports not working

For making a Call Of Duty Server using cod-rcon tool, I have port forwarded the following ports: 28960, 28961, 20500 and 20510 (all ports in UDP). If I use this website to check if the ports are open ...
2
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0answers
2k views

Why do I see router and not my real IIS? [duplicate]

I am trying to access IIS through web but unable to do so. Basically I have a router (which functions as router and modem) that is given by ISP and I have another router connected to the router given ...
2
votes
1answer
2k views

VM on ESXi host - How does one make externally accessible?

I have a home server running ESXi v5.0.0 with a VM guest OS (linux) up and running. I have apache 2.x installed and serving to my machine (i.e I can access the default apache page when going to ...
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1answer
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How can I get VMWare to use the same IP as the host?

I am running RHEL 6 on my Win-XP using VMware. On VMware it has the local IP. I want it to be same as that of XP. i.e. 123.237.115.199 on both. (This is dynamic IP but I want that the dynamic IP on ...
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2answers
810 views

can't access my ip from outside

I've just installed DD-WRT (DD-WRT v24-sp2 build 21676) into my TP-Link (TL-WR1043ND) router. I've setup port forwarding for port 80 to my machine port 80 and it works well under LAN access (checked ...
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1answer
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How to run an Apache Tomcat Webserver on my PC and access it from a real Android Device?

What I have I have a Tomcat 7.0 server running on my Windows 7 PC and I have a dial up internet connection. IP I get on whatismyip is 117.xxx.xxx.xxx. I want to use this machine to test my Android ...
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2answers
857 views

How to port-forward IPv6 in m0n0wall?

How do i port-forward IPv6 packets in m0n0wall? For example i want to forward traffic arriving on port 443 of my router to another IPv6 address: Interface: WAN Protocol: TCP External port range: ...
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3answers
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The physical aspect of networking ports

I stumbled across this article which, unlike any ambiguous article I've read, states that my "pencil-thin network cable (or wireless network adapter) at the back of your computer contains 65,536 ...
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1answer
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Change PPTP control connection's TCP port number

I have some Windows 7 clients that connect via PPTP to a CentOS server, but I would like them to use a port other than 1723 for the control connection as that port is not available. Is there some way ...
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1answer
2k views

Forwarding port 80 of Windows 7 to virtual Ubuntu Server

I'm running a virtual instance of Ubuntu Server using VirtualBox in Windows. To access the site hosted in it, I want to forward port 80 to Ubuntu, so that I can simply go to localhost to mess around ...
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VirtualBox NAT Port forwaring fails on port 80

Solved! Hooray! This problem has been solved by the author... In general, port forwarding works for me. Currently I want to add a port, 80 to 8080, host to client, but i just cannot use ...
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2answers
530 views

Problems exposing a web site from behind a router

I have a D-Link DSL-2650U ADSL router for my home network. I also have my own domain server registered at dyndns.org, and I have successfully configured my router to keep [mydomain].dyndns.org ...
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1answer
146 views

How to setting up iptables for traffic fowarding on port 80 from specific sources

Im running a web server on port80, but i want traffic coming from ip 212.333.111.222 on port 80 to be fowarded to port 9020 on the same server that my web server is rinning at that is my sshd port
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1answer
961 views

How to forward a public (network-accessible) port to a local (port or host)

I'm using Ubutnu 9.04, and XAMPP as a testing server for my websites. What I want to do is make my websites network-accessible. For now only the my-ip-address:80 is accessible and managed by XAMPP. ...
0
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1answer
119 views

Application / Device setup for remote network connections

My question is related to what I asked about here: Why is my connection refused when port-forwarding? So I have a device hooked up to my router and I would like to be able to connect to this device ...
0
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1answer
300 views

How to find out Start Port and Finish Port settings for port forwarding?

Im trying to set up port forwarding on my router so that my computer's local development environment is externally accessible. My router is a Sky box and my local development environment is MAMP. ...
0
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1answer
387 views

Remote Access without Teamviewer or Hamachi - Part 2 of 2

INTRODUCTION This discussion is a continuation from here: superuser.com/questions/610383/remote-access-without-teamviewer-or-hamachi/610396?noredirect=1#comment755389_610396 I want to remotely and ...
0
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1answer
174 views

DD-WRT, virtual hostname forwarding to other names/IP's using round robin

I'm using DD-WRT v24/K2.6 on Netgear WNDR3400. On my home network I have many machines running (I do lots of distributed programming). I want to create a virtual hostname, say publisher, such that any ...