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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Getting a static internal ip address in windows 7

I have obtained a static ip address for my router from my ISP (it is a dsl router provided by my ISP). Many devices are connected to this router in wireless mode. One of them is my Server. The server ...
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3answers
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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. ...
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2answers
745 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 ...
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1answer
489 views

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 ...
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1answer
7k views

How do I properly test whether my Port Forwarding works?

I have set up a website in iis which runs on port 5000 Now when I type 192.168.2.2:5000 I get that page. Now, I do port forwarding with my Belkin Router using ...
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1answer
957 views

Is there a script to add port forwarding rule in home router?

TL;DR: I am looking for a script or a cron job, which will periodically run on a linux host (fedora on raspberry pi) which will check if a port forwarding rule still exists in the router and add it if ...
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1answer
4k 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 ...
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3answers
1k views

Opening ports on a mac-mini, works locally, not on the LAN

I have my mac mini running a nodejs server on port 8000. On the mac, I can hit it at 127.0.0.1:8000/something. I get back a "hello world" type of response. On the same network, from a different ...
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3answers
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WRT54G - how use port forwarding and VNC

Since I have my home network behind a WRT54G, the router has an external "real" IP address, and the PCs behind it have 192.168.xxx.xxx addresses. I would like to be able to control one of them ...
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2answers
428 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 ...
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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 ...
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1answer
755 views

Cant access localhost via public IP

Im having trouble enabling public access to my XAMMP setup. I've been looking at a few threads over at Tom's Hardware forums to resolve this issue but cant figure out we're im going wrong. Whenever I ...
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1answer
2k views

Properly portforwarding the external IP with iptables

I am trying to forward all the incoming internet/LAN requests on port 80 to my local machine (running Apache), current iptables work (forward incoming internet traffic to my desktop, but if I try to ...
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2answers
1k views

Port forward to different port number

I have a router that sets up rules like so: TCP Any -> 5800 Any -> 5900 UDP Any -> 5800 Any -> 5900 Computer: ip-address This would allow someone 'outside' to connect to my router's ...
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1answer
374 views

Port Collisions when Forwarding Between Guest and Host

I've been working on getting setup with Vagrant using a VirtualBox base box, and would like to forward ports between my guest (Ubuntu 12.04) and my host (Windows 7) for accessing the apache2 server ...
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2answers
3k views

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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1answer
120 views

Is there such thing like a port forwarding service out in the internet?

I'm looking for a service on the internet allowing me to redirect TCP connections. My company's firewall is very strict and allows only HTTP (through a transparent proxy) or SSL on only port 443. I ...
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1answer
2k views

Why is this iptables rule that does port forwarding not working?

I have a server bound to localhost:7060. It is using ipv6 socket instead of ipv4. Below is netstat outout. # netstat -an Proto Recv-Q Send-Q Local Address Foreign Address State tcp ...
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3answers
5k views

How to ssh to my machine at home, when the IP address of router might change?

I often find I want a file on my home machine when I'm out and about, so I would like to set up ssh server on my home machine to be able to login securely over the internet. It's my understanding ...
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5answers
2k views

Setting up an SSH Server on Port 80

I'd like to set up an SSH Server to the public internet on port 80. I've got SSH for Windows installed on my machine, and I can use Putty to SSH into localhost. In my router config, I set up a ...
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3answers
1k views

DynDns confusion

I'm pretty sure this doesn't belong on serverfault. Anyway, I'm confused with DynDns. Its supposed to change the IP address whenever your IP address changes, but for anyone to access the host I have ...
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5answers
4k views

Forward port 80 on a Linksys WRT54GL to port 80 of a single IP on the local network

I have a Linksys WRT54GL router and a home network of two PCs. What I want is one of the PCs to be a web server visible from the world on my static IP. It is a WindowsXP PC with IIS 5.1 setup and ...
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2answers
257 views

Can someone access my locally run website even if I haven't specified any port forwarding?

I am using Xampp so I can test my web application directly on my own computer. I am concerned that someone can access my Xampp site since I am still connected to the internet. However, I have NOT ...
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4answers
1k views

Does port forwarding a port on one computer expose other computers in the network as well?

I have read that port forwarding exposes your computer to security breaches. Does port forwarding a port on one computer expose other computers in the network as well?
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4answers
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How to ssh into home LAN behind ISP NAT (no public IP address)?

My property management company provides free internet access. All the apartments in many buildings are behind some common NAT, so none of us have our own public IP addresses. Thus, services like ...
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3answers
3k 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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1answer
121 views

Can router connect back to itself over Internet and why?

As it it sates in title. Every router I had couldn't connect back to itself over Internet, for example: I open forward port 22 for ssh on my PC. I try to connect to that ssh with other PC in same ...
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4answers
8k views

VNC on port 80 (TeamViewer can do it)

How does it come that programs like TeamViewer can communicate without any problem on port 80, but it is not possible with VNC? Are there any free and open alternatives to VNC that can do this, too?
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2answers
70 views

How to forward a port to another server connection via SSH

I think what I am trying to do is called SSH Tunneling. I am a bit confused if this is actually what I want to do. I want to setup a tunnel on port 1234 on Server A. Server A forwards all ...
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2answers
3k views

ssh through a router without port forwarding

I have a linux server, and I want to put it in a home network behind a router. I need to ssh to this server sometime from outside, but I don't want to set up port forwarding because I don't have ...
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1answer
3k views

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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3answers
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Port forwarding: If the IP is static, what happens to computers set up for dynamic IP adresses?

If I set up my router to hand out static IP adresses, as far as I know, I will have to configure my computer to use a specific IP adress. What will happen if someone don't configure their computer, ...
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3answers
599 views

port forwarding on mac with belkin router?

I'm trying to set up port forwarding on my mac so I can do iOS game center programming. I have a Belkin router. Apple's instructions are here. But after several hours of using Apple's instructions ...
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1answer
792 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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2answers
245 views

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> ...
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2answers
1k views

Do hotels block certain ports? [closed]

I'm on vacation this week and I'm trying to access my home DVR camera system (Bunker Hill DVR) from the hotels I've been staying at. Unfortunately, I have not been able to access them successfully. I ...
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2answers
1k views

How to keep a static network local IP for all the connected machines, and still dynamically assign all the incoming ones?

I have read the manual and could find no word on this, so I'm asking here. I have a couple Macs on a wireless network, this router model: http://homesupport.cisco.com/en-us/wireless/lbc/WRT54GL Now, ...
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4answers
2k views

Port blocking workaround

I recently was on a visit for a few days where my primary internet access was through verizon, which I eventually discovered blocks SMTP ports. I had to improvise a workaround to send mail, but I ...
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2answers
950 views

How can I run SSH on a port other than 22? [closed]

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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6answers
459 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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2answers
3k views

DD-WRT routers - How can I specify any/all IP address ranges?

I'm creating port forwarding rules on my DD-WRT router (shown below) and want to allow all (any) source networks access. My thought was to specify 0.0.0.0/32 but that is not working. How do I ...
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3answers
214 views

Setting up WOL for PC

My goal is to be able to wake my PC up remotely. So I did the following: 1) Running Windows 8 so turned off my firewall 2) Went into my LAN properties and enabled WOL 3) Went into BIOS and checked all ...
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2answers
709 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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2answers
498 views

Port forwarding to another network adapter

I have two network adapters which are wireless and cable network. I want to use wireless network for Skype, torrent, MSN or something not related with jobs but I want to use cable network for RDP, ...
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2answers
15k views

Set Up Port-Forwarding on Netgear N300 Router

I have a Netgear N300 router that has DynDNS.org as a preset DDNS option. After setting it up it (unsurprisingly) sent traffic directly to my router. I'm essentially using this to connect remotely to ...
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3answers
177 views

I'm in a pub with only port 80 and I need to SSH into something

Any public proxy ideas that I can use right away over port 80? I would presume this is a common problem. Would be nice to know if there are any sites sites or tools for solving it.
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2answers
350 views

bittorrent upload with closed ports

I just downloaded a linux image using bittorrent. Although the port seems to be closed I noticed that my client was also uploading. As far as I know UPNP and NAT-PMP are disabled in my current ...
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2answers
1k views

Use Port Forwarding on Airport Extreme

Is there any way to use port forwarding on an Airport Extreme? I don't know the exact model but I know for a fact that it is the newest kind.
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4answers
3k views

Port Forwarding: Why do my local sites on 80 work but not those on 8080?

I setup my router to forward port 80 to the PC hosting my web site. As a result, I am able to access this url (Don't bother clicking on it, it's just an example): http://my.url.com/ When i click on ...
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2answers
4k views

Why isn't my port forwarding with mysql working on my server?

I have a mysql server running on some server in our network. Now, only connections from localhost are accepted by the server and I can't connect to it remotely. Now, I want to set up a port ...