Questions tagged [port-forwarding]

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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Set up direct SSH connection from A to C without public IPs using one public SSH server

I have available these SSH servers/clients: A - without public IP B - public IP C - without public IP I know, I can establish an SSH connection from A to C as follows: 1) Hook C to B. ...
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Difference between External/Internal Start/End port?

When setting up port forwarding using NETGEAR Genie, I can specify up to 4 different ports for each forwarding: External Start Port External End Port Internal Start Port Internal End Port If you ...
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Accessing private IP address without port forwarding

I am new to networking. Pardon me if I make any mistakes. Is there a method to communicate with a private IP address under NAT? I don't want to use port forwarding by accessing the router.Is there ...
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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 local ...
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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 ...
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how to setup a ssh acount with no terminal but port forwarding?

I am trying to set up a new user account I can give to friends so they can SSH into my forward computer, and only allow forwarding of certain ports. I do not want my friends to have a shell, or be ...
admalledd's user avatar
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Cancel ssh port forward

To access restricted university web pages I often run the following command: ssh -fND port [email protected] Then I open a firefox profile which I have set to go through port 5555 using a ...
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Access web server behind router from outside and inside of the network with same address

I have a router with external public static IP address, and behind the router, I have a web server with static IP (internal address). I was configured in the router to forward port 80 to the web ...
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OpenVPN won't connect from remote location

I set up OpenVPN on a linux machine in my basement. I'm able to connect from my Windows 8.1 machine without an issue when I'm connected to the local network. In this instance, I set the config file ...
tmsimont's user avatar
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How do I forward a SSH port from any interface to a specific IP?

Here's the scenario: I have a desktop, running Windows 7 Ultimate. This desktop has VMware Workstation on it, and a virtual machine running a custom linux, that has OpenSSH installed and working. ...
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How to specify what port RDP responds to?

I need to figure out a way to force RDP(Remote Desktop) to respond to a specific port Instead of a RHP(Random High Port). I am not asking how to change what port RDP "Listens" on, but rather the ...
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VirtualBox Bridged Network Port Forwarding Issue

I currently have a development environment setup on a Windows 7 PC running Ubuntu 11.04 inside of a VirtualBox on the same box. I am using the "Bridged Network" option within VirtualBox, and inside ...
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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 with ...
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Scanning my public IP address with Nmap finds TCP port 1720 open, is this a security concern?

When scanning my public ip address with Nmap I found out that I have open port on 1720/TCP. According Nmap service on it is H.323/Q.931. Researching uses of this port also brings up Microsoft ...
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ssh port-forwarding with GatewayPorts = no

I want to forward sshd (port 22) on machine X which has a non-routeable IP. The forwarding options are nc (which is horrible), inetd (requires privs), iptables (requires privs) and ssh. So I'm using ...
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Port(s) not forwarding?

I have cable internet service through Charter Communications and feed two desktop computers through a Linksys RP614v3 router. One system is my wife's running WinXP Home Edition and the other is mine, ...
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Windows Container port binding on Windows Server 2016 not working

I am running a Windows Container on a Windows host (Windows Server 2016 TP4). The container shall run an IIS webserver on port 80 internally and I also want to bind port 80 to the host, so I can ...
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Port forwarding not working on ZTE router

I am using a ZTE wi-fi router. My laptop's private IP is 192.168.1.2 where Apache server is running on port 8080. I added the NAT rule to forward http traffic to my laptop. Protocol - all Starting ...
Udara S.S Liyanage's user avatar
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How to forward uTorrent port on DD-WRT?

I have uTorrent 3.3.2 installed on two computers and on both computers it says that the port is not properly forwarded when I do the built-in port test. I followed this guide to forward the ports. ...
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Remote desktop connection over internet without port forwarding?

let's say that we have this situation. I want to remote desktop connection to my friend over the internet, but I don't have premission for port forwarding on the router, and my friend also can't ...
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Port forwarding + shared connection with Ubuntu

Because my wireless router's ethernet ports are defective, I set up a shared wireless connection from my laptop (which has wifi) to my eMac (which does not) via a crossover ethernet cable. The laptop ...
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How do I enable UPnP support in Windows 7?

Is there a checklist for enabling UPnP in Windows 7? I am on a home network with Network Discovery enabled in Network and Sharing Center, UPnP is enabled on my router, SSDP Discovery and UPnP Device ...
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How do routers prevent automatic port forwarding from being abused

I have a Verizon FIOS router and when I install most applications that need a port forwarded, magically the entry is automatically set up in the router. I searched on google and found out this is ...
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How to expose a home PC behind CG-NAT using a VPS?

Previously I had my home workstation PC directly exposed to the internet simply by setting it as the DMZ PC in my router's settings, and I could access any services I was running on it: SSH, Web ...
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Make socat listen on both IPv4 and IPv6 stacks

Switched providers the other day, they only assign DSlite-connections. I'm fine, I thought. Thing is - I want to access some of my stuff from outside of my network, which should be of much less a ...
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Weird behaviour with mysql port forwarding

I have set up MySQL port forwarding in my machine as: ssh -f -N -L :9906:localhost:3306 <ssh login> Now, if I try to connect to MySQL from my localhost as: mysql -u<user> -p<password&...
foo's user avatar
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How to access apache behind home router?

I have public IP 89.103.xxx.yyy, then router and home network with 192.168.1.zz My router is set to portforward every 8056 on ip adress 192.168.1.5 (my PC), where apache is running. Apache listen is ...
Filip's user avatar
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Portforwarding is not working in E5172 Huawei 4G Router

I have been trying to do port-forwarding on my router (Huawei E5172 4G Router). I've done this before and it worked but i can't get it to work on this router, and i have no idea why! This is a ...
Ali Almoullim's user avatar
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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 ...
oliver_siegel's user avatar
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Fritz!Box port forwarding is not working properly

I have a question about port forwarding with FRITZ!Box. When I port forward for my server, it works for a while, but after 3/4 days people can't join my server anymore. It's really weird and I have ...
John Koe's user avatar
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Port forwarding not working in dd-wrt

I just bought a Netgear (3700v4) wireless router to replace another one (3700v1) which failed. A friend had helped me get port forwarding working on the original one. One of the important things that ...
birdus's user avatar
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How to properly forward TCP and UDP traffic between interfaces using iptables?

ServerA eth0 internet interface wg0 vpn interface 10.66.66.1 ServerB wg0 vpn interface 10.66.66.2 How can I forward traffic from eth0 to wg0 10.66.66.2 using iptables? I want to forward the ...
Georodin's user avatar
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Opening port: basic questions

(I'm unsure if Superuser is the appropriate site to ask this question) I always struggle with port-forwarding and would like to understand some basic aspects: I needed to open port 27015 for a ...
StarBucK's user avatar
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Port Forwarding on Router using same internal port number on different IP addresses

The objective that I'm trying to achieve is to be able to connect to two computers that are behind the router using RDP. My logic is that I should be able to connect to the router externally on 2 ...
Guy's user avatar
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How can I run SSH on a port other than 22?

I have a Linux machine on my network. I connect to it using SSH with PuTTY over the Internet, so I have forwarded port 22 to the machine. Now I need to put another Linux machine on the network. I ...
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Using PCP (Port Control Protocol) in practice?

My ISP is rolling out IPv6 using DS-Lite with PCP enabled. I read the wikipedia page, searched google, and couldn't find answers to some practical questions: On the "client" (ISP subscriber PC), what ...
myxal's user avatar
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Include remote forwarding in SSH ProxyCommand

So I have 3 servers: server_a: my target server server_b: a jump server server_c: another server Neither server_a or server_b normally have access to server_c at all. However I can use the magic of ...
pca2's user avatar
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Set up TeamViewer Wake On Lan - without having access to router settings

I want to set up remote wake up for TeamViewer on my Windows 10 PC. The problem is that I don't have access to the router it is connected to, and I do not know which ports are forwarded (if any...). I ...
Neinstein's user avatar
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OpenVPN server to forward incoming connection to client

Scenario: Server on the internet has OpenVPN server running. Client-1 at home has app running on port 5000 (UDP and TCP), connecting to Server on it's OpenVPN (app binds to 0.0.0.0). Client-2 at work ...
Ikon's user avatar
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How to redirect a port using IPTables in Red Hat Linux (RHEL)?

I'd like to forward port 80 to 8080. So I tried to edit /etc/syscongfig/iptables: -A PREROUTING -t nat -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080 But got: # service iptables restart ...
Ondra Žižka's user avatar
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uTorrent and PuTTY -> How to turn the connection into an active one?

There is an active, and passive mode when we talk about torrent. Passive, is when you can't connect to the peers actively. Active is when your ports are forwarder, and others can connect to you. ...
Apache's user avatar
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Find out which ports are forwarded in OS X

I want to know if any port of my machine (Mac OSX) is forwarded or not. I googled for quite sometime but couldn't find anything for the same. There is a network utility which tells which ports are ...
Rajat's user avatar
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Forwarding Internet connection via SSH to a Linux console

I have a remote server which is behind a firewall that blocks access to the Internet. I would like to forward my local Internet connection via SSH (putty) to a CLI session on the remote Linux server. ...
Gadesxion's user avatar
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2 answers
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Windows port forwarding, local machine to server

I'm working on Windows 8. I'm trying to connect to an OpenStack cloud which is hosted on a remote server but has a public IP to the API. However, making API calls require calls to additional services ...
little.toblerone's user avatar
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3 answers
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Port forwarding when router and modem are separate

I am using two different devices for connecting to the Internet. I have a Motorola modem and a DLink router, and get my Internet connection from Comcast. Now I am trying to enable port forwarding to ...
user250788's user avatar
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2 answers
3k views

Alternative to Tor Hidden services or port forwarding without public IP [closed]

We're looking for way to access PC/server/IPCam behind our home internet when port forwarding is not available. The reason we needed this is that our telco is rolling out Carrier-grade NAT and slowly ...
faulty's user avatar
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SSH port forwarding with automatic reconnect, script executing at startup

In short, every time my computer boots, I would like to start a ssh port-forwarding connection that will reconnect with the server if the connection drops. Computer is Debian Wheezy x64. An initial ...
Oddworld's user avatar
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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 ...
imgx64's user avatar
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Asus router RT-N56U unnecessarily opens extra ports for a DMZ device

My Asus RT-N56U router (latest firmware 3.0.0.4.374_979) opens port UDP 3659 for a Playstation 3 which is already in DMZ. The DMZ was set up properly with a static IP assigned to the PS3 and the ...
Z.Zen's user avatar
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Ssh port forwarding with Remote Desktop timing out

My work computer, a Windows 7 Enterprise PC called WORKPC, is running Remote Desktop. I have configured Windows Firewall on WORKPC to allow access to the Remote Dekstop service from only two IP ...
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