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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Can't access server from external IP

I have a problem with my web server; I can't access it from the external IP address. I'm using an IIS 7 server, but I've tried with apache on Linux as well. I have forwarded all traffic on port 80 to ...
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2answers
49 views

Forward a port with modem (with built-in but disabled router) + a separate router

I have a Motorola SBG6580 that is a modem and a wireless router in one. However, the wireless router part was bad so I disabled it and got a separate wireless router. I can go into the configuration ...
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1answer
105 views

VirtualBox VM running web server not accessible via external IP

I have a Windows 7 machine running VirtualBox with an Ubuntu guest. The guest has a Bitnami LAMP stack installed. I have the guest configured for Bridged networking, and I can access the guest web ...
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1answer
44 views

SSH tunnel through a workstation to a remote server

I have a situation that similar to what is posted here but not quite the same. I have access to a remote machine A that I connect to from a machine B using a private key with a passphrase. I'd like ...
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1answer
55 views

Making phpmyadmin accessible over internet

I have XAMPP installed on my Windows XP server. I have port 3306 (mysql) and 80 (apache) on the machine forwarded to 5016 and 5011 on the router respectively. I am able to access the phpmyadmin ...
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34 views

Linux Bash SSH - Why won't my port forwarding tunnel command work?

The commands I'm trying are: ssh -vxNn -L 8080:192.168.x.xx:80 hostname@server ssh -vxNn -L 8080:192.168.x.xx:80 hostname@server Where the "x" is masked for security as is the hostname and server, ...
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1answer
27 views

Is it possbile to forward ports automatically via ssh from server

Is it possible to forward some ports automatically from the server (define in server sshd_config)? E.g. any user who connects will have particular forwarding rules regardless if he configured his ...
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1answer
60 views

How can I bypass my modem with NAT to open my ports to the outside?

My Internet provider gave me a Modem-Router with WiFi capabilities but it has all ports filtered for incoming traffic. What I'm trying to do is to use NAT in someway that allows me to recieve incoming ...
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25 views

Setting up a web server behind a ZTE NAT

I have developed a web app in Java using netbeans and running on a glassfish server attached to netbeans. I would like to show this to some people but I can't get it running across the web. It works ...
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1answer
45 views

Connect to Oracle DB server remotely

I have Oracle 9i db installed on machine connected to the Internet behind nat and the Oracle DB server is listening on default port 1521. When I connect over lan to DB server its worked perfect and I ...
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35 views

port forward ppp0 to eth0 in ubuntu server

After I establish vpn connection to ubuntu server I see ppp0 have created. So I have to port forward ppp0 to eth0, not all port but at least 22, 80 & 443. how do I do it?
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40 views

Access other PCs connected to LAN through VPN

I had setup a VPN in my windows server 2003 and one client computer is connected. Actually my intention for setting up VPN server is to reduce the PC requirements for remote users. That is a single ...
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1answer
67 views

Need Mobile Broadband with Port Forwarding [closed]

Need Mobile Broadband with Port Forwarding. Currently living in a place with no broadband connection, so I'm using mobile. I have a server running low traffic demonstrations. Would like a very ...
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1answer
172 views

Game Client's Listening Server Unable To Establish A Successful TCP Connection (Updated)

Scenario, A Risk of Rain On a game called "Risk of Rain" (RoR), I am hosting my own listening server. However to my demise, it seems that nobody can successfully join my server. I have done the basic ...
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1answer
99 views

Port forwarding over the Internet

I have a home server that I want to expose to the Internet. All ISPs in my country provide static IP addresses to registered business only (not to home customers). I'm thinking about renting a VPS ...
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1answer
36 views

ssh port forwarding and multiple aliases

I have the following ~/.ssh/config file: $ cat ~/.ssh/config Host myalias HostName fully.qualified.domain.name Port 2222 LocalForward 3690 127.0.0.1:3690 When I ssh to myalias, ...
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35 views

Double Port Forwarding with two routers on the same network

I'm running a hand full of servers on my network. I'm running out of port forwards on my primary internet router to forward traffic from the outside to the inside. The network has another router wired ...
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27 views

port forwarding and iis urlrewrite in asp.net causing issues with sessionid

My production setup is as follows- M1 - asp.net website M2 - iis urlrewrite + arr (friendly url and caching). This setup works fine over intranet where every one connects to M2 to access the app. To ...
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20 views

Port forwarding with two routers?

Can someone walk me through port forwarding with two routers, I will post screenshots as needed. I've tried many tutorials online and I can't seem to get it to work.
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1answer
62 views

DD-WRT url forwarding like port forwarding?

I have a ddwrt router and I would like the following behavior. say I own the domain example.com and like wise, I own *.example.com. Say I have my dns set to forward all requests for example.com or ...
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1answer
69 views

accessing my webserver works…except from within my intranet

Is this a router issue? I have a TP-LINK TD-W8960N wireless router. Today I set up an apache2 webserver on an ubuntu 12.04 machine in my house. I got my router to port forward TCP packets on port ...
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4answers
106 views

How do I forward a port accessible to the world on my Mac?

I realize that there's a lot of info out there about port forwarding, but here's my specific situation. I need to use Remote in (via VNC) to my Mac. By default, the Mac Remote Sharing server listens ...
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38 views

Hiding port number from address.

I have centos 6.5 running some web apps. Currently due the following port forwarding rules, I am only able to access my public content using 127.0.0.1:8080/ Is there anyone to just use 127.0.0.1 ...
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31 views

Problems with opening ports and running listen servers in Red Orchestra (Router keeps restarting)

I'm no stranger to having to open ports, doing it a couple of times on a couple of different routers, and have done it on this router a few times. I'd opened up ports to play Terraria through TShock, ...
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217 views

Opening port 8080 on Windows firewall

I am not sure if I am just missing a trick here and it will be something rather simple, or if I am trying to do something that just isn't going to work.. Anyway, I have an asp.net site and I am using ...
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83 views

Port forwarding

I am trying to forward a port for making a server on teeworlds game. i use simple port forwarding program using this tutorial but failed : Then i tried to do it from my router configuration using ...
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2answers
82 views

Mac spoofing for virtual machine to trick my university's IT system

I need help in setting up Oracle's VirtualBox port forwarding and/or mac spoofing. I feel it's important to add that my knowledge is very limited in this field and that my question could even be ...
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192 views

Connection reset when trying to tunnel http/socks by multi-hop ssh

Involved machines: (client)A -- B -- C(exit) A/B is cygwin ssh/sshd, C is linux What I want: A's http(s) and socks traffic be tunneled through B,C. Destination is any IP, so -L alone doesn't ...
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1answer
229 views

How to connect (via DD-WRT) to a device known by its MAC address?

This question might seem odd at first, because the answer may look trivial: "Either assign a static IP address to it or just DHCP it." Well... this challenge turns out to be not so simple: The ...
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2answers
40 views

What exactly is a trigger port and how do I figure out which one it is?

I have this router now since a few weeks and I need port forwarding for certain games and/or gaming services such as Steam. Now normally configuring this is a non-issue for me, but what boggles my ...
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133 views

set up (VirtualBox + CentOS) with (nginx + PHP + MySql) on MacOS

I'm trying to set up (Virtual Box + CentOS) with (nginx + PHP + MySql) on MacOS, the future I can coding on MacOS then throw file to the share folder with (Virtual Box + CentOS) and execute on ...
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38 views

How to forward a port to a DHCP client?

The following approach works for me. Say my local ip address is 192.168.1.136, I am able to open the port 63102 using the method illustrated in the following image. My issue is, if I configure my ...
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51 views

Ssh-ing from one virtualbox instance to another

I have two virtual machines running in Virtualbox. I have Minix running in one, Linux Mint in the other (and windows on the host machine). I need to ssh from Linux Mint to Minix (so I want to open a ...
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34 views

Cannot port through CISCO router

I am running Windows Vista, and using RealVNC viewer to try and ssh tunnel into a server. Furthermore, I am running the VNCviewer on my laptop (which I normally do not bring to work). I keep getting ...
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1answer
152 views

VNC over SSH tunnel between Ubuntu Desktops 12.04 ¿All three 22, 5900 and 6000 ports open?

Ok, finally I got VNC over SSH tunnel working on LAN, but the objective is to use it on Internet, so I'm a little worried about the open ports the server has. Scanning the ports, I can see these ports ...
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108 views

How to forward ports through ssh and nat to another machine

I have a problem when using ssh port forwarding and nat simoultaneously. Situation: Machine A runs a webserver on port 8080 Machine B is a raspberry pi which works like a little router. It has two ...
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1answer
29 views

Manage (View & Update) Internal IP address of IIS

How do I figure out the the internal IP address of IIS on the individual PCs? I have two PCs with IIS (vv 7.5 and 8) on them - I need to configure port forwarding on the router, such that external ...
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51 views

Port forwarding on a slave router

I'm having a little struggle with the situation below. First I'll explain the basic setup which used to work: Wireless 4-port LAN router from the internet company Static IP for an IP Camera NAT port ...
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38 views

upnp and port forwarding, how it works

I know that some programs like utorrent use upnp to add port forwarding automatically, how ever port forwarding does not appear in routers setting? I'm wondering how router pass traffic in/out without ...
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68 views

Wifi Router Not Working While Windows Firewall Is On

I buy a Wifi Router and setup. All is running good, but just 3 issues: Issue No 1. On my pc (Local server) I edit host file like below: 127.0.0.1 example.com so, on my browser, if I enter ...
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3answers
61 views

Ports open for SSH

My home server is accessible via SSH, therefore I've opened port 22. If I wish to access my server from anywhere else in the world via SSH, do all the routers my laptop connects to also need port 22 ...
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1answer
50 views

How to establish Peer to Peer communication without port forwarding?

My ISP provides me a local static IP address. How can I establish a connection with another computer in the internet without having a public IP address? I just want to make a simple application which ...
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1answer
72 views

what is DMZ in Router, how to make an private ip act like public ip

i have a d-link and i'm behind a NAT router by my ISP i knew that because i receive in my router wan IP a private IP, i forwarded port for my computer ip but it still closed so what is the solution ...
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1answer
38 views

Netgear UTM9s causes network drop off when port forwarding

Our company just installed a Netgear UTM9S and I've been trying to get our server visible to the outside world. I've gone into firewall settings and set up a new rule that states all incoming HTTP ...
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0answers
45 views

What ephemeral ports do Steam & Valve games use?

I need to know exactly which ports are ephemeral so that I can create QoS rules. This page doesn't state which are ephemeral. I know that some of those ports such as 28960 are static ephemeral ports. ...
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24 views

How to configre router and server for FTPES access?

I'm trying to access my ZyXEL Media Server from an external network. FTP connection works fine, but I cannot establish a working FTPES connection. Active mode won't work, and the client tries to fall ...
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1answer
520 views

TP-Link TD-W8951ND port forwarding not working?

I've configured not less than 20 routers but this one is driving me crazy. I purchased a TP-Link TD-W8951ND modem-router and now I'm trying to configure my VoIP device to make/get calls. This works ...
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2answers
24 views

Port forwarding broken after Windows Update

I'm not exactly sure what truly caused it but it definitely happened after I restarted my machine after applying updates to it. I used to be able to remote desktop connect to my computer by using my ...
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2answers
152 views

How to combine ssh agent forwarding and tunneling?

I'm trying to Vagrant-ify a project in order to simplify dependency setup for my users. One of the dependencies is an SSH tunnel, from port A on host B to port C, using ssh's -L option. I can ...
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2answers
2k views

How to configure cable modem router to allow port forwarding to other connected router?

I recently got a new cable model that also acts as a router. I am not super thrilled about it, but this is what my provider gave me. My previous setup was using just a cable modem and my current WiFi ...