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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Launching chrome adds port forwards

I've installed Google Chrome using the google-chrome brew cask, a while ago. This morning I noticed that I have various ports forwarded on my mack to random places, as show by the lsof command… $ ...
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How do I portforward to a specific port on the private IP device?

Regarding the topic of port forwarding, I'm trying to allow external devices on the internet to communicate with a PC on at a specific port (e.g. port 10,000 on my PC). However, it appears that port ...
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14k views

Port-forwarding in router ZTE ZXHN F660: hidden settings

In my company, we have a ZTE ZXHN F660 router, and we need to do a port-forwarding to access a DB allocated in one of our machines through public IP. We have login into router admin page (visit ...
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1answer
18 views

port forwarding not navigating to correct internal IP

I have just set up the Netgear C6300 Cable Modem Router and re set up all my internal IP's so my main PC will always be 192.168.0.2 and my server (ubuntu server) will always be 192.168.0.10 I have ...
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4k views

how port forwarding in Huawei CPE B310

I have an internet connection via a 4G LTE CPE B310 router from Huawei, its local IP is 192.168.8.1, my laptop is the only user connected via wifi (I can use wired Ethernet) and it its assigned local ...
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External IP access on Xfinity modem/router

The title probably sucks, but it was the best I could think of for the question in hand. So I recently upgraded my internet and Comcast sent me a router/modem in one, this also included a new IP and ...
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14 views

Cisco 1811 router - How to open port 80/port forwarding

I've set up an IIS server on windows server 2012 r2, but I cant access it from outside the LAN using the external IP. When I check port 80 on yougetsignal.com is says that port 80 is closed. I have ...
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30 views

Remote port forwarding failed using freeSSHD + PuTTY

Background: I have 2 machines, A is a server, and B is a local machine behind the firewall. B has a SQL Server hosted at port 1433. Now I want to access the SQL Server from A. Steps: Set up a ...
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DMZ and Port Forwarding

If I place my laptop/host in the DMZ zone will I still need port forwarding? I noticed I'm still under the protection of my router's firewall. Practically, I'm still on NAT, my laptop's host is a ...
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16 views

Does port triggering from port 80 to port 80 make sense?

In troubleshooting a VoIP quality issue, tech support had me set up numerous port triggering ranges. One of the ranges was: Triggered Range: 80 to 80 Forwarded Range: 80 to 80 Based on my ...
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Are there good alternative HTTP ports rather than port 80?

I have been looking for some documentation on alternatives to port forwarding to port 80. I have a dedicated Linux machine on a home router, and apparently utilizing port 80 is not an option. Are ...
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30 views

Redirect URL towards a generic IP on router

I am looking for simple, clear instructions about how to add a rule on my router (home) that can forward the ping towards a url to a specific IP address (or other URL). Furthermore, I want that rule ...
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14 views

UFW Ubuntu NAT with virtual interfaces setup

Trying to setup NAT on a (VPS) virtual private server. Running Ubuntu 14.04. All the guides I see mention using eth0 interfaces in the lines. Example -A PREROUTING -i eth0 -d 25.25.25.26 -j DNAT ...
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1answer
98 views

How to make my cam work from the network? [closed]

I have a 3com router manual. I have bought a wireless camera, and made it work. It is transmitting perfectly when connected to the router, as well as when acting on it's wireless mode. I am now ...
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61 views

All Ports Gone Bad - Port Forwarding Hell

I was successfully running a perfectly sane home server with multiple services running on different ports. I had a few port forwarding rules which helped the whole thing talk to the internet. ...
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1answer
27 views

Port not open but still able to download : how does it work?

When using p2p softwares such as a torrent client or emule I am unable to open ports even if I allow them in my firewall and forward them in the NAT configuration. Even after doing those two things ...
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18 views

Opening port on Comcast modem/router connected to Netgear Prosafe firewall

I've been unsuccessful in opening ports on my static IP address. Add advice on my setup would be appreciated. Static IP -> Comcast Modem -> Firewall -> Group Computers (Windows Firewall) Comcast ...
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14 views

Not able to access Raspberry Pi from outside network

I have set up a webserver on a Raspberry Pi, and it is working on perfectly on the LAN. I have assigned this machine a static IP address as well. It is currently running at 192.168.0.111:80. I have ...
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1answer
4k views

How to enable remote access for Synology DSM 4.3 device through Linksys EA6900

I asked this question on the synology forum, and no offense, but I'm not sure that I trust the answers so am posting here. I have a Synology DiskStation DS413j running DSM 4.3. I also have a Linksys ...
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1answer
41 views

Openshift portforwarding to remote access MySQL database

So a followup to my other question: http://stackoverflow.com/questions/37056763/cannot-remote-access-mysql-database-of-my-openshift-mysql-cartridge I've tried port-forwarding as suggested here: ...
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28 views

Using vagrant on Windows 7, port forwarding not working

I installed vagrant and Virtualbox on Windows 7 and created a Ubuntu 14.04 VM. Everything seems fine, when I start Virtualbox, I can access the terminal in the guest machine, and confirm that sshd is ...
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2answers
29 views

I cannot access my server outside the network even after forwarding port 80

I am using ubuntu server to host a server on a virtual machine(virtual box). I can access my server on my home network but when i try to access it using my external/public IP it send me back to the ...
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3k views

How do I open Google Hangouts ports on my home router?

I found this article to optimize Hangouts: https://support.google.com/a/answer/1279090?hl=en I'm supposed to open up a UDP port range for best results. I have a Linksys E3200 router which has a port ...
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19 views

Windows 10 remote trouble. Router issues

I am attempting to setup a remote computer in my office, however I am getting a little stuck when it gets to the setting up of port forwarding. My billion router uses virtual servers, and I had ...
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how do i fixed this “Ports are being used. Please change ports numbers.” in samsung all in one security system?

I have a samsung all in one security camera system and I had set up my camera system online and it was working perfectly almost a week. One day i wasn't able to view my camera online so just checked ...
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710 views

ssh_exchange_identification: connection closed by remote host VIRTUALBOX scenario

On a virtual debian machine in VIRTUALBOX I type: ssh -R 2222:localhost:22 andrea@10.0.2.2, to make reverse tunneling and allow remote machine to see debian desktop. on the remote machine (ubuntu) ...
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Router's page shows “Index of /”

I need to configure my pre-installed router (redirect ports, etc.), but when I visit it's http://192.168.1.1 page, it returns Index of / 1. ../ modified: Thu, 01 Jan 1970 00:00:08 GMT directory - ...
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43 views

Is simple forward proxy different than port forwarding?

Here is the introduction: I have a windows server which recently I decided to use it as a personal proxy server(not using ssh) like those free IP:Port proxies. I've made my googling and it seems ...
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3answers
6k views

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 ...
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1answer
26 views

How to connect LAMP server with Wordpress to the internet?

I have attempted to set up a LAMP server running Wordpress on a Raspberry Pi 3 (using Ubuntu Mate 16.04). Wordpress runs fine on the intranet (internally on the network) but I cannot seem to ...
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13 views

Port farwarding to NAS server

I am trying to create port forwarding rule on my Netcomm wireless nb604n router so that say port 8000 points to my NAS (D-Link DNS-325). It worked before with a different ISP, router, country... :) ...
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Execute SSH port forwarding along with the browser

I've successfully set up dynamic port forwarding over SSH in Pale Moon and added the alias as ssh-forward in .bashrc. Now I have to execute both ssh-forward and palemoon to access the Internet over ...
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29 views

Redirect outgoing ports in windows

I want to create an Active Directory server at home, just to learn how to do it. I have configured the server but I want to use the service from outside, so I've opened all the ports in Windows's ...
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2answers
13k views

Can't access my IP camera over the internet

EDIT: My problem is solved, please read comments 2-5 and 8,9. I have an EasyN F3 (F3-M166) IP camera. It works fine on local IP address, but I can't access it over internet. This is what I have done ...
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1answer
435 views

Can't set up port forwarding on ZyXEL DSL router

I'm trying to set up SSH connection with a PC that is behind the DSL router. I do know that to do that - I need to turn off firewall on the router and set up port forwarding. So my firewall is off. ...
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I can ssh into server A from server B. But I cannot ssh into server B from server A

I have 2 servers in a data center. Server B is publicly accessible, as in, I can ssh into it. Server A is not. So to access Server A, I ssh into Server B. And then from there, I ssh into Server A. ...
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1answer
27 views

Port Forwarding to changing internal IP address

I have a security IP cam that I like to check remotely. I have set up my router to forward to the port I have assigned to the cam, etc. Here is the problem. My ISP router periodically changes the ...
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23 views

create a PPTP VPN server to act same as PureVPN PPTP server?

Our ISPs are providing us with private IP addresses so port forwarding is not possible , the are offering fixed IP but with extremely high price so the only option is to use VPN. I choose PureVPN ...
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209k views

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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Unable to forward ports to Raspberry Pi, but forwarded ports to Windows laptop work fine over the Internet

In my setup I have a Raspberry Pi, a Windows Laptop and a FritzBox 7490. I'd like to allow RDP to be forwarded to my laptop (which works over the Internet, tested with remote computer and a ...
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3k views

keep SSH-port-forwarding connection alive

I am doing a permanent port forwarding via SSH. It is basically while true; do ssh <somewhere> \ -R <dst-port>:localhost:<src-port> \ -N -n ...
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Can I run a webserver from home with my IP-Adress? [duplicate]

If I configured my modem/router to redirect all http requests to a computer on my network, could I run a server others can access with my IP-Adress? Let's say Bob wants to see my website that is ...
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1answer
8k views

Samsung SM-V101F 4G port forward

I bought Samsung SM-V101F 4G hotspot router, and I tried to download torrents using uTorrent, and I was shocked of the slow speed (max 120 Kbps), I think the issue is because of port forwarding which ...
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1answer
22 views

How to forward same port on multiple IPs

I have TL-WR841N router and I'm trying to forward ports but it only accepts a single IP. I need that port forwarded for 2 PCs, so two IPs. How can I do that?
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32 views

Cannot Connect to Media server (Emby) through external IP even with DMZ?

Something strange happened last night, I had access to my EMby media server and suddenly it just disconnected me. I have my current server DMZed so the port-fowarding is not the problem, however it ...
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1answer
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OS X: Port forwarding a VPN to LAN

I have a Mac Mini running OS X 10.6.8. I use this old buddy as a Media Server. On this Mac Mini I have a VPN connection which connects me to a server running a service at port 80 and 4747. I want to ...
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iptables forward combined with bfifo doesnt work

I have 3 interfaces, 2 internal(wlan0,wlan01 )and 1 external (eth1) and i want to configure traffic from eth1 ,so i use iptables to send all outgoing traffic from the internal interfaces to eth1: So I ...
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Why is there no UDP port forwarding in SSH?

I know SSH can forward TCP ports, not UDP. I'm not seeking help to circumvent this restriction (this subject is covered here). I'd like to know what is the reason SSH never got UDP forwarding ...
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2answers
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Putty Remote Port Forwarding not connecting - Server refused?

So im at work and we have port 80/443 blocked. Im trying to get access to the internet via SSH Tunnel. Im currently connected to a VPN that gives me access to the external network but of course i cant ...
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1answer
16 views

Port forwarding service conflict with an existing port forwarding rule offering Any service

I am trying to add a port forwarding rule to my router that will allow a webcam and a 3d print server to run so that I can have remote administration. I am getting the following error service ...