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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Router logs show constant unknown port mapping (forwarding)?

Do I have a virus or trojan? Should I be worried? What’s going on here? I’m currently running Debian, and there are records like this for every day since these first records showed up. I ...
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128 views

Iptables MASQUERADE only selected ports

I did port forwarding following this tutorial: http://www.debuntu.org/how-to-redirecting-network-traffic-to-a-new-ip-using-iptables/ iptables -t nat -A PREROUTING -p tcp --dport 1111 -j DNAT --to-...
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48 views

Networking with the netgear B90-755044-15

I have had a website running behind a Westell 7500 router for a long time. It was setup with out port forwarding, being DMZ host, or anything like that. It was setup as a "static NAT". Static NAT on ...
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36 views

Will no-port-forwarding in authorized_keys disable all port forwarding?

Here port forwarding I means ALL kinds of port forwarding, -D dynamic port forwarding(for socks4 and socks5 now), -L local port forwarding to remote, -R remote port forwarding to local. How to fine ...
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59 views

Modem - router port forwarding

I have a modem (provided by the ISP) that is connected to the internet, has IP 192.168.1.1 and creates a LAN 192.168.1.x. The router (ASUS brand) has IP in this LAN 192.168.1.3, and creates a sub-LAN ...
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70 views

Change WOL port

I have two PCs (both running Windows 10) that connected to my router, both use port 9 for WOL. I want to be able to wake them from WAN, so I must to configure port-forwarding in my router, but ...
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27 views

How can I change my routers management interface from port 80 to port 81

I have a TL-WR1043 router and I want to port forward a webserver on port 80 but the router is in the way. So how can I change the router management interface from port 80 to port 81? I heard that ...
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172 views

Most secure: Port Forwarding Vs DMZ for SOHO scenario

In a small office / home office (SOHO) scenario, I would like to configure the ADSL router for a small http server installation - actually an experiment with a Raspberry Pi, working as an http server. ...
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37 views

Allow VM to be accessed outside host machine only via port

I have a VM A and VM B running on a host machine H. Both these VM are using NAT. What I want is that this VM to be accessible to outside machine within the same network but only via particular ports. ...
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274 views

Mikrotik: Ban host if there are too many HTTP requests from it

Yesterday I noticed a strange activity of my humble web server: it was moderately warm, was twitching by HDD heads and LAN activity was unusually high. When I looked to logs, found that some host is ...
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132 views

Forward ports to different subnetworks

My network schema it´s the following; I have a client with many branch offices, each one with its own subnet For example: Headquarters network: 192.168.10.0 /24 Branch office 01: 192.168.20.0 /...
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Port-forwarding not working

I'm trying to port-forward a Garrysmod server: The problem is, when I launch the server, then try to use canyouseeme to check if it works, it says it can't see the port open: Please help me! ...
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171 views

How to connect a client behind a NAT router to an Asterisk server behind a NAT router?

I have an asterisk setup on a server. The local IP address is 172.22.9.200 and extenal IP address is 75.45.185.100. My client device is an android phone that is connected to a router and it which has ...
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18 views

How is individual service identified from multiple services on a single machine in port forwarding

Suppose I have a router with external ip address as 123.123.123.123 and within that router I have 5 devices connected one of them being a server which has been assigned a private ip address as 192.168....
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26 views

connect to Telnet server (Adsl Router)

I have installed a telnet server, now I want to connect to it without port forwarding - is this possible? Some programs working without port forwarding like utorrent for example.
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45 views

How do I found a port on lo to wlan0? (Android ADB Port Forwarding)

This is a very unique and complicated question that I hope someone is able to help me with. Currently (I just moved) I don't have WiFi so I'm tethering my laptop to my phone. I am using adb to create ...
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67 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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54 views

How to host an Multi Theft Auto server behind 2 routers

I have a netgear TL WDR 3600 hooked up to my modem. And a Dir 868L which I got from optimum is my second router. I'm trying to open ports 22126, 22003, and 22005 so I can run a server in Multi theft ...
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171 views

How to connect to FTP via Winscp/Filezilla - Ubuntu server + VirtualBox - What should I add in “Port Forwarding”?

I have an Ubuntu Server on my Virtualbox. In the virtual machine Network Settings I have it set to "NAT" and added in "Port Forwarding" the 80 port. So now when I run on my PC "localhost" or the ...
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57 views

How to remotely set up IP cameras?

I'm trying to set up a CCTV system at my parents' house. Most of the networking is done already (I think), but I still need to set up most of the ~30 cameras. This is the network topology: internet &...
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228 views

SSH remote forward to docker host?

I'm using Docker on my local Mac, but I frequently need to share my work with others who are not on the same network. In order to do so, I use ssh to forward a port from an AWS instance to my local ...
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59 views

Local port forwarding in SSH

It's Sunday morning and I'm trying to wrap my head around SSH and local port forwarding with the following two examples running on a machine with IP=192.168.175.23 to local port forward incoming ...
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179 views

Cannot open ports on my router

I have a server for a game, but i can't open ports, after i open the port on router, "You get signal" port checker says my port isn't open. Before I can port forward and players can join my ...
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36 views

Make local Centos server at home public, safe?

So I have a Centos local server at home. I want to make it accessible over the internet (public). I know I have to forward port 80 (HTTP) and 21 (FTP). My main question is, is this safe? Or should I ...
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234 views

Using UPnP when Connecting to internet using (Router+Modem)

I want to enable the UPnP to make programs like Gameranger host some games without problems . I am connecting using a Gargoyle router , and that router is connecting to the internet using ZET ZXV10 ...
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68 views

Double NAT , No Public IP, Blocked Ports …Help Pls

I read a reply of RedGrittyBrick on a 3 yr old query , I feel someone might be able to tell me what is really happening in my case NAT vs public IP (and blocked ports) The Cable ISP is of no help. I ...
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224 views

Access to a reverse SSH Tunnel with Docker whithout --net=host

I have a docker container (running on my server) that need to access to a distant computer through SSH. This computer is behind a NAT, so I open a reverse SSH tunnel from the computer to the server ...
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Issues forwarding ports after ISP IP Address change

My ISP recently (today) changed the dynamic IP address of my service, and has caused me some issues. First off, I had to reset my static local IP, but got that taken care of. My router, model: ...
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How to port forward for certain domains on OS X?

I'm running Virtualbox on OS X Yosemite and using it for web development. I added lines such as the following to /private/etc/hosts: 192.168.33.1 www.mysite.dev Virtualbox then has these port ...
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179 views

How do you debug broken home networks?

I have a small home network, and I’m having trouble accessing one of the computers on that network. The home network is NAT’ed, and I've set up some port forwarding and a dynamic DNS. rye sits on my ...
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155 views

Port Forwarding on a dd-wrt Router

I want to be able to forward port 5678. Here's my equipment and details: Modem: ARRIS SURFboard SB6121 DOCSIS 3.0 Cable Modem Router: Cisco Linksys E2000 DD-WRT v24-sp2 OS: Windows 10 ISP: Cox ...
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Cannot connect to my home web server from an external computer

I can connect to my home web server (it's a aquarium controller) from an external computer. I can easily connect using my own desktop by entering my modems external IP and the port I have configured ...
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16 views

Virtual Port Forwarding for Device Web Server

I've got a streaming device, where I've set the port for the webserver to let's say 3030 and I configured the router as follows: service name: some service Port range: 3030 IP Address: 192.168.1....
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26 views

How can I allow my Vagrant instance to connect to a python server on the host?

So I'm running a Laravel dev site using Homestead, and but I have a python server that the Laravel instance needs to talk to, and I'd like to keep that python server on my host machine. How can I ...
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70 views

Translate Bitvise settings to SSH Commands

Is there any way I can display the ssh commands that bitvise is actualy using? In detail: I have a configuration made by the previous developer that I would like to adapt to my .ssh/config file. So ...
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82 views

Connecting two subnets with router

I'm trying to share a couple printers on two subnets and I keep running into issues. I'm trying to figure out the best way to achieve this while maintaing a public and private subnet. Please refer to ...
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1answer
106 views

Port Forwarding Local FTP Server

I have two routers set up I my home, the default Verizon router that comes with my ISP and a Linksys EA6350 which I set to cascade my Verizon router. The linksys router also comes with a built in ftp ...
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110 views

Network issue - client on Android device not connecting to server on my laptop

I have a server app running on my windows 7 laptop and I have a client app running on my Android phone. Both, laptop and phone when connected to my work WIFI can communicate. I can log it into my ...
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148 views

Trying to setup an SSH connection from an external Internet connection to a VirtualBox guest OS instance

I was having problems creating a SSH tunnel—while I was away from home—back to my VirtualBox guest machine back at my house. I did some research using search engines and looking at numerous sites, but ...
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93 views

Port forwarding on Port 80 on an ADSL modem

I am trying to make a website on my computer accessible on the Internet. I installed the Apache server and am able to access the site with http://localhost. My PC is connected to the Internet with a ...
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37 views

Connecting to OpenVPN Server

I am taking online classes and I need to connect to my institute network using OpenVPN. They are hosting OpenVPN on UDP port 1194. Unfortunately, my company blocks all outgoing traffic on UDP ports, ...
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port forwarding alternatives?

My question is about alternatives to portforwarding if i want a service to be listening on a tcp port? i am connected to the internet through my phone wireless hotspot and i am using kali linux is ...
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1answer
122 views

Access wamp localhost from internet

I have a website that I created on a WAMP (latest version 64 bit) server. It runs perfectly from the localhost directory. I'm now ready to have outside connections connect to my www directory. My ...
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1answer
326 views

Cannot open port 443 on modem

I'm developing a website, which requires an https connection because of the login system. I opened my Tomcat's Connector on port 443 and connecting through https://localhost works well, but i need it ...
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36 views

Port Forwarding to Hide Ports & Local Access

I have the following situation: At home, I'm running an ssh server, on port 22 on one of my machines. I'd like to access it from the internet, so I port forward it. I make the external port 2222, ...
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239 views

Cannot port forward a Huawei router

I spent weeks trying to solve this. I just can't find that port forwarding page. My router is a Huawei LTE CPE B2268H. I searched it in all the settings but it simply isn't there. portforward.com ...
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40 views

Port forwarding on a bridged network

I would like to setup a network connection on my PS4, which goes throught my PC, so no direct connection to the Internet. If I create a network bridge between the devices, will I be able to use ...
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37 views

Can't forward real static ip to virtual machine's local ip

I have installed Windows Server 2012 and IIS to virtual machine(NAT connection). I want to publish a web site with my static ip adress. I have a web site to publish and everything is working. My real ...
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216 views

OS X 10.11 Port forwarding

I have OS X 10.11 El Capitan installed on VMware Workstation 12 Pro. How i can forward port 6000? I have iRAPP installed, and the iRDP Service listens on port 6000, which seems to be blocked cause i ...
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Error, Port Unavaliable

I am trying to port forward three ports for my LaView security camera system. The ports are 8000, 80, and 8554. I have successfully port forwarded port 8000, but now, as I try to do 80 or 8554, it ...