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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Unable to route to website in home network

I have a home network running my own webserver. Everything worked fine until I updated my ISP to fiber optic. With this new connection came a new modem. The new router is a ActionTec V1000. I found ...
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6 views

How to add authentication to closed-source server?

The software for the TV tuner in my Windows7 HTPC runs an HTTP server that allows me to control and stream TV in my browser. However, there is no authentication, which is fine for the LAN but not for ...
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11 views

port forwarding from internet to inner router

I'm trying to port forward from internet through a main mikrotik router (192.168.1.0/24) to a second Router on another subnet 192.168.2.0/24 to reach a DVR at 192.168.2.20 I can see the DVR web page ...
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1answer
12 views

Port forward not working from modem to router to server

Here is my environment: WAN Cable -> Docsis 3 Zoom 1094 Modem -> TP-Link AC1750 Dual Link Router -> Server to forward (dynamic public IP) -> Modem: (internal nic: 192.168.100.1) -> Router: 10.1.1.1 ...
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22 views

Access Point - Port forwarding problems

I've got Asus RT-N12E. Currently it is working in AP mode (so Firewall and NAT are disabled) with WPA-Auto-Personal and AES+TKIP. I want to set up a game server. When I try to check with ...
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2answers
22 views

NAT and UDP source port

My question is somewhat extending on this discussion: NAT and UDP replies Scenario: Machine A behind NAT Machine B on the internet machine A:Port M sends a UDP packet to Machine B:PortN Machine ...
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18 views

Port forwarding WAMP server (for external access)

Basically I am having trouble allowing people to access my local WAMP server through the internet, I am running a HG523a Huawei router but I'm not sure on my next steps. I have set my config files to ...
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12 views

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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49 views

Nginx Docker container port forwarding not working on OS X

Ok, this is driving me kinda nuts. I'm trying to run an Nginx server through Docker, but can't get port 80 exposed properly. As I'm running boot2docker as a regular user, I can't bind any port under ...
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1answer
23 views

Port forwarding through dd wrt

I'm trying to do port forwarding to one of my local computers and I'm having some trouble with it. The forwarding from router 1 (R1) already works, but I can't get it to work on R2, at least not as it ...
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12 views

Cpanel Port Redirection

I've installed varnish on my server and i think there is something wrong but not by me. I need to redirect port 80 to 8080. Because when i try to go solempet.com it appears default web site page. ...
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7 views

Communicate through ssh from a network with firewall unconfigurable

What I want to do is in the title. And the answer seems to do reverse ssh with the option -R. The problem is, i'm afraid that the firewall of the network will block the inside network connection to ...
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1answer
17 views

SMB/CIFS Port Forwarding MyBook World Edition

I have a WD MyBook World Edition NAS that i try to use as a Shared Network Drive through the Internet. I set up DynDns and forwarded Ports 21 and 548 for FTP and AFP access, which both work like a ...
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10 views

IPTables NAT to webserver how to forward real remote IP

I have a simple setup where I host a webserver in my local LAN 172.16.0.0/27, port 80. It is connected to my DD-WRT router that has a publich IP (direct Internet connection), let's say 1.2.3.4. I set ...
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2answers
21 views

Port forward with linksys WRT54G2

I am having issues port forwarding my router in order to let devices on my LAN connect to a server on a PC (also in my LAN). I have entered the configuration page for the router and choose ...
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28 views

pfsense for its firewall capabilities on small network

I have a small home network of approximately 3 windows machines and 1 pfsense freeBSD (dell laptop): q1. The cable modem is connected to the NON-internet port of the wireless router. Is this the ...
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7 views

Redirect outgoint traffic on port to incoming on other port

I would like to redirect packets that are send from localhost to some other port in network, to other port on localhost. Example: Application sends data to 145.125.130.20 port 3554. I would like to ...
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1answer
40 views

SSH Connect to Domain that points to different IP

A bit of background info, first: I have a domain that is configured to run a mail server, iRedadmin, postfix, etc. I can receive and send email and everything works great. The problem lies in the ...
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2answers
77 views

Unable to remotely view IP camera's RTSP stream

I have recently completed a Zoneminder surveillance system installation at a remote location. The dedicated server is running Ubuntu 14.04 LTS and is currently connected to 4 IP Cameras (Hikvision ...
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1answer
17 views

Port forwarding with two routers

I have two routers: router A with internet access (DSL cable), and router B acting as a client connected to router A via wifi. Devices are attached to router B via ethernet. I need to forward some ...
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1answer
21 views

How to stop mac from auto port forwarding requests from localhost?

I have an application that is running and listening for local requests on port 4001. Whenever I start a second application to place requests through port 4001 my mac appears to be automatically ...
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25 views

Using virtualbox port forwarding with ports <1024 and authbind with linux?

I'm trying to use Virtualbox to separate the services on my machine into their own VM. To achieve this it would be helpful if I could set up port-forwarding from the host to the guests. (using ...
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22 views

Forward port 22 on router

So I've been wanting to be able to remotely ssh into my computer at home, but I don't know much about routers or port forwarding. I am on OS X, and I know I can forward port 22 using systemsetup ...
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2answers
38 views

Do my other local computers need a static IP when I use port forwarding?

If I change my main computer to static and port forward to get a server hosted, does that mean that I need to change the rest of the laptops and computer on the network to static to get them to ...
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16 views

Miniupnp thinks my router doesn't support UPnP

I have a IP camera on my network that is truly plug n play. As soon as I plugged the Ethernet cable in, it was accessible from 'the outside', without me having to touch my router's configuration. So I ...
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14 views

Unable to port forward to VM through loopback (127.0.0.1)

I have a somewhat strange issue on my PC where I am unable to reach a Virtual Box VM with port forwarding through 127.0.0.1. It will however work through 127.0.100.1, or 127.x.x.x for that matter. I ...
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23 views

Ubuntu Server 12.0.4 vsftpd timeout using external IP

I am having a problem connecting to my Ubuntu 12.0.4 server with vsftpd using my external IP. Connecting with local IP is successful. I am using FileZilla for the ftp client. I know there is a bunch ...
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33 views

How to configure iptables to set public IP for outgoing traffic from private IP

I have multiple public IPs at home: 1.1.1.1 (main IP) 2.2.2.2 (additional IP) In my local network, I have two computers, let's say 192.168.1.1 (PC1) 192.168.1.2 (PC2) Infront of the computers I ...
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68 views

Securing remote access to local server behind NAT router

I want to remotely access a Linux server in my private local LAN via HTTPS and SSH. The server ist connected to my DSL router (German Fritz!Box). As I can't directly access my server because of ...
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20 views

Change HTTP/S ports in OS X Server?

I am setting up OS X Server on a local computer (for managing a few devices.) I contacted my ISP to allow me to set up port forwarding, and they said that incoming ports 80 and 443 are disabled. Which ...
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19 views

dlink dir 655 servers setup and external ip

I have a freenas box with 3 IPs running locally for each application the ISP I am using has a single static IP on my local network. How do I set up my router to have that one external IP access the ...
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1answer
17 views

Accessing IIS site externally

We have 2 servers, a Domain (Server 1) and an Application (Server 2) server. We are attempting to open an port on the Application Server to be accessed externally. Server 1 is running Windows ...
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34 views

Port Forwarding with Openstack

I have a private Openstack Cloud on my internal network, the IP of the cloud is 192.168.0.7. I want to make the cloud reacheable from Internet (through my public ip 82.53.132.250), i tried several ...
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2answers
50 views

Port forwarding doesn't work?

I set up a linux box a few days ago to host a web server (nginx). The site is ilan.duckdns.org, and I can connect to it fine using my local IP as well as the external IP. However, when I use ...
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1answer
80 views

How to communicate (route traffic?) across two different subnets

A home networking question. I would like hosts on different networks (subnets?) that use the same internet connection to communicate. Two routers, 192.168.2.x connects to the the internet and ...
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1answer
62 views

How do I protect my hosts in an IPv6 world?

I realize that IPv6 adoption is a long way off but I'm trying to understand the basics in order to stay ahead of the curve, and also just for fun. Communicating using IPv6 is no problem. It works ...
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1answer
36 views

Port forwarding not working on Verizon FIOS router

We have a MacPro connected to a Verizon FIOS modem/router. We are trying to connect to it via ssh remotely. It is set to listen for ssh on port 23. It works fine using LogMeIn Hamachi. But using the ...
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1answer
46 views

Forward a port to all users in Mikrotik RouterOS

In short: I want to know how to forward certain ports on Mikrotik's RouterOS. I looked up online and found several videos/tutorials but for whatever reason, I cannot do it. Please read below for more ...
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1answer
25 views

How can I open ports on my Linksys RV082 router?

I bought a Linksys RV082 small business router. It's a nice 8-port wired router with a lot of configuration options, and so far it's working pretty well. One of my computers on the LAN is a server ...
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2answers
46 views

How do I use ssh ProxyCommand to connect to remote MySQL server behind bastion host?

Three machines are involved here. Localhost where I do my development. AKA laptop. Bastion host where you must connect first. AKA jump. MySQL server where I want to connect to. AKA DB. My ssh ...
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14 views

Routing TCP traffic through cloud server

Is a scenario like this possible: Windows machine 1 (behind NAT) connects to a cloud server 3 (no NAT) Windows machine 2 (behind NAT) connects to the same cloud server 3 (no NAT) Is there a tool ...
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33 views

Mikrotik Netmap to Windows server 2008

I have Mikrotik RouterBoard RB2011UIAS-2HND-IN as my router and Windows Server 2008 as DC. I want users outside local network be able to connect our chat server placed on Windows Server. Chat server ...
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1answer
58 views

SSH port fowarding on Apple Airport Extreme

I am trying to access a VM that I have on a server on a local network run by an Apple Airport Extreme 2nd gen from outside the network via SSH. I have set up SSH port forwarding on the airport extreme ...
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126 views

ESXi + pfSense - NAT forward management interface ssh

question at the end. Situation: (ips replaced by fictive examples) I have a (remote) dedicated server, with 1 NIC, 2 IPs. One IP (eg. 5.9.1.1) is bound to the physical NIC's MAC, the other ...
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1answer
66 views

How to connect an Android Emulator to a Vagrant Image on the same host?

I have a non-trivial application, comprised of a number of web & database servers that reside within a Vagrant image. Port forwarding (with iptables) has been enabled on the host such that I can ...
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23 views

How to create reverse dynamic ssh port forwarding

I'm trying to set up an ssh tunnel layout where: client A (not ssh-server enabled) initiates ssh connection to server S socks server is opened on server S:yyyy that tunnels all data via client A ...
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2answers
60 views

How do I open up ports to the world on a residential connection?

I have DSL internet at my house, with some Windows servers running on my LAN. I've set my router to forward port 80 to one of them, and likewise set a firewall rule to allow port 80, and that works ...
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37 views

Is netsh based forwarding to 127.0.0.1 possible at all?

I've been trying to get netsh forward a port on the lan interface to another port on 127.0.0.1 The reason for this is that I need external machines to ssh into my vagrant virtual machine and I don't ...
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1answer
63 views

Port forwarding D-Link DIR-615 (entire network)

My wife and I recently purchased a second computer and have started MMO gaming together (namely, World of Warcraft). For a few weeks now, our DIR-615 seems to be bottle-necking. I'm inclined to ...
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1answer
33 views

Setting up server with multiple routers and static ip

Happy new year! From the title of this post it might seem a very thing to do but still let me explain the whole setup here. We've two ISP connections with two different routers. One of them has a ...