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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Port forward from LAN to an OpenVPN client (iptables?)

I have a OpenVPN server running in a LAN (locally addressable at 192.168.1.12) and I'd like to forward requests to it from other devices on the LAN, over just port 3000, to one of the VPN clients. (10....
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16 views

Port forwarding raspberry pi not working

I've recently needed to forward a port to run an FTP server on my raspberry pi, but after I failed, I went to test running it on my pc, but the port forward didn't work there either. I have forwarded ...
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38 views

Why doesn't my web site's port forwarding work?

I have made a website on my Raspberry Pi that works perfectly over the local network. It is running on lighttpd. I have setup a DNS entry on No-IP (pumpkinprograms.ddns.net) and I know that it works ...
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2answers
35 views

Port Forwarding for FTP server [duplicate]

I'll get straight to the point. I recently set up a FileZilla server to get all my files anywhere to watch or access. I have already set up the user and directory I want to access, as well as picking ...
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41 views

Port forwarding not working for certain LAN IP

I hope someone can shed some light on this. My knowledge of networking is basic at best. I have a CentOS server on two networks: NIC1 is on a public IP with gateway set sitting on Switch 1. (ADSL ...
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1answer
54 views

Remote Desktop will not connect on port 3388

I use Remote Desktop to visit the desktops of other computers on my network. I have been also using Remote Desktop to access one of my computers from outside the network by using DynDns, port ...
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1answer
18 views

Trouble enabling GatewayPorts for Remote Port Forwarding over SSH

I'm trying to use an Ubuntu server to do remote port forwarding over ssh. I've edited /etc/ssh/sshd_config to contain the following lines at the bottom of the file: ... Match User david ...
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1answer
1k views

Can't access localhost via public IP

I'm 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 can't figure out were I'm going wrong. Whenever ...
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1answer
187 views

Windows 10 - NAT - Port forwarding & IP masquerade

I'm looking for a way to get iptables functionality in windows 10. I enabled IP routing and I need to forward tcp data to another host (port 8080) and then forward his response while masquerading IP. ...
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28 views

How safe is it to host an HTTP Apache server at home?

I have an old server with Ubuntu server and Apache2 installed. I am using it to run a small one page site. I am using 'freenoms' for the free domain 'musicmash.tk' which is connecting to my public IP. ...
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26 views

Port forwarding port 21 on a TP-Link

I am trying to forward port 21 to externally access the FTP server. I followed all the steps correctly to port forward a port but port checker tools still show that the port is blocked. Port ...
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36 views

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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20 views

pfSense Port Forwarding using Alias Not Working

I am running a pfSense 2-3-RELEASE firewall and I am trying to set up NAT port forwarding so some development servers and my Mac. The servers (FreeBSD) have statically assigned IP's and my iMac has ...
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507 views

How can I ssh into my home computer from the internet?

Is there software that will help me to ssh/connect to my home computer from the public internet? (Say, a coffee shop). I understand that questions similar to this have been asked, but none seem to ...
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32 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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17 views

OSX mDNSResponder opening all ports on Billion

I recently swapped my router for a Billion 7800VDOX, and noticed some attempted connections to my iMac from external addresses. On investigation I found that a uPnP port had been opened on the router ...
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16 views

How can we remote desktop and remotely access shares, when our router is behind another router, in an office environment?

We've just moved office into a shared building with a communal internet connection and I'm unsure how we would go about accessing SMB shares, remote desk topping, or setting up a VPN in this ...
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46 views

Unable to Port Forward after bridging my modem

I have an Arris TG862G modem, and an ASUS RT-AC66U router. My goal is to be able to port forward. The Arris modem was provided by Comcast, and I have that hooked up to connect to the internet. My ...
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46 views

Run webserver on local machine with dynDNS

I created an account at noip.com and created a dynamic Host. (test.ddns.net). On my local machine with IP 192.168.2.128 i run my apache webserver on port 8080 and 443. I created a project named "...
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Port forwarding on Ubuntu

I have got a VPS server with Ubuntu. It has got a static, public IP address. Here is uname -a: Linux VPS 3.13.0-88-generic #135-Ubuntu SMP Wed Jun 8 21:10:42 UTC 2016 x86_64 x86_64 x86_64 ...
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15 views

Not all subnets in OpenWRT can access internal device via WAN

On my OpenWRT router I have such interfaces: Lan1, physical interface eth0, IP address 10.10.0.0/16 Lan2, physical interface eth1, IP address 10.11.0.0/16. Wan, physical interface eth2, IP address ...
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126 views

Astonia Linux game server is unreasonably slow

I just set up an old MMO from 2002 or so (Astonia) on a 32-bit clean install of Ubuntu, as it was just brought to my attention that the game in open source and I figured, why not? When the server is ...
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Local port redirection

If I'm using machine M0 and I have a remote server M1, if I do this command (from M0): M0:$ ssh -L 1234:M0:80 M1 I found this on a tutorial and it explains that It will connect M1 on M0:80, but ...
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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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Port Forward issues with modem or router

I have a RT-AC68P Router That i am trying to port forward Port 28015 in order to host a server for a game called rust. Form some reason the port WILL NOT open no matter what i do i have been working ...
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1k views

I keep on getting a error when I connect to a ssh tunnel on putty

I'm using the current version of putty 0.66 and I keep on getting this error Disconnected: Server protocol violation: unexpected SSH2_MSG_UNIMPLEMENTED packet when I try to connect to a ssh ...
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1answer
20 views

Netgear R6250 router not port forwarding

I'm attempting to forward port 9000 (custom SSH port) to one of my machines. I've set up a static local IP address and a port forwarding rule in the router settings, but I'm just getting "connection ...
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22 views

TP-LINK Archer D7: no ports forwarding/virtual servers in “Wireless Router Mode” (Ethernet as WAN)

I recently switched my network provider from ADSL to Wi-Max. I'm using the same router, a TP-LINK Archer D7 (manual here): with the ADSL provider I was using the integrated modem, but now I use a "...
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61 views

Access QNap Web Dav via Map Network Drive

When trying to connect to my WebDav server I get "The mapped network drive could not be created because the following error has occurred: Mutual Authentication failed. The Server's password is out of ...
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33 views

port forwarding - Transmission torrent client

I have a problem related to Transmission torrent client. Specifically on a Fedora 23 Linux distribution. My goal is to increase download speed and surfing on the internet. I found out the best way to ...
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1answer
21 views

packets sometimes sent even if port not forwarded

When behind a router, we need to forward port, on the router, for the specific host listening on that port. If we don't forward the port, it will not always work on the host. But why not always ? ...
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Port translation and websphere application

I have a java application running in Websphere Application Server (WAS) on port 80 (using IBM HttP server, IHS). Now I need port 80 for other purposes on my external ip. I just setup port translation ...
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Can't port forward

I can't port forward my port 1605 i've tried everything, on canyouseeme it says "connection timed out" my router: TC-7200 i've turned off every firewall that I have and i've added them tho the ...
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91 views

SSH not creating dynamic forwarding, why?

Edit: meanwhile, I filed a bug with openSSH (https://bugzilla.mindrot.org/show_bug.cgi?id=2577). Should there be any outcome, I will post it here, too. I use an SSH jump host/proxy at a location to ...
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1answer
29 views

NAT Port Mapping from external IP to internal Web Server not working

I am trying to setup an HTTP server using Virtual Box on my Win 10 Host. The network is being set as a bridged network on the Guest using the ip 10.0.0.254. Opening the browser with that IP is ...
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1answer
40 views

Can someone explain strange inbound connections on my server log?

Ok, so I only know as much about networking as I have learned in my Computer Systems and Electronics courses, and I am seeing something that I'm not sure how to interpret. My brother wanted me to make ...
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60 views

Open SSH port a bad idea on a Raspberry Pi?

I have a Raspberry Pi at home that I have connected to my home network. I use it to run a VPN server, SSH tunnel, and occasionally I SSH into it to perform maintenance on it. Is it a bad idea to have ...
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78 views

How to receive and send UDP traffic using a SSH Server with blocked UDP ports?

I have an external server which I use to connect to the internet using dynamic port forwarding from my remote desktop . I forward all the connections to my local port 9150 . Therefore I use that ...
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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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NAT Port Forwarding in VirtualBox

I have enabled two adapters in my VirtualBox (running Ubuntu 12.10 Server Edition), with types as: Host-only and NAT. My main motive is to be able to connect two VMs running on two different hosts (...
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26 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 probably-...
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5k 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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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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2answers
31 views

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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1answer
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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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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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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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80 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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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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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 ...