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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How to forward external port to Kali Linux?

I have an issue about networking. My previous question was about how does metasploit payload work? And I got right answer( I have to redirect port to internal ip which corresponds to Kali Linux's ip). ...
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10 views

Can't access wi-fi server from my wired connected computer

I am trying to access the address of a server I started on my Android phone, the address is 192.168.100.8:8000 and the phone is connected to internet via Wi-Fi (on the router at home). Now, my pc is ...
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7 views

Running a web server visible externally while on a VM

I have a VM setup (network setting: bridged adapter) with a web framework and some simple web apps that are visible only to the internal network (by putting in the internal ip address of the VM - ...
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1answer
19 views

Portforwarding is not working in E5172 Huawei 4G Router

I have been trying to do port-forwarding on my router (Huawei E5172 4G Router). I've done this before and it worked but i can't get it to work on this router, and i have no idea why! This is a ...
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1answer
11 views

Conveniently SSH to internal hosts?

I recently discovered that with ~/.ssh/config, I can save a lot of keystrokes and automate long command lines, specifying a lot of per-host defaults. Now that I noticed how powerful the tool can be, I ...
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17 views

Can't connect to VNC even though port is open and service is visible

A client with a small office network (under 20 devices) had me replace a malfunctioning Netgear router with a Buffalo WHR-600D router. On the previous router, I had set up port forwarding with custom ...
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13 views

SSH Putty Port Forward Over Specific Interface

Server1: 201.23.253.12 and 192.168.1.12 Server2: 192. 168.2.76 Server3: 201.23.253.25 and 192.168.1.25 I have servers that I access remotely via SSH. Server1 is a jump server that has a internal and ...
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32 views

Setup vpn to bypass NAT limits and portforwarding of ISP [closed]

I have a problem with my ISP that don't let me have a public ip and open the ports to have an open NAT on xbox live. I read about the possibility to use VPN or buy a VPS server to open these ports. I ...
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8 views

Redirect incoming connection to existing tunnel

Can I use my shared web hosting server, and currently unused domain names, to forward incoming connection requests to my home computer without a public IP address (due to a cgn), without opening up ...
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1answer
21 views

Why does 'redir' not work for me?

I am developing & testing with "remote servers"; using URLs for the remote system like "whatever.internal.ip:8080/someWebApp" Unfortunately, I am dealing with new IPs every day. And changing the ...
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2answers
24 views

Port forwarding issue when using three routers in the middle

I would like to do port forwarding, so that I can access my home server from the Internet. The layout looks as the attached image. I have a public ip and when ever a request for certain ports comes ...
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16 views

Im trying to user docker to install cloud9 ide

Im trying to user docker to install cloud9 ide on my centos7 vm. Im using this docker image: https://github.com/kdelfour/cloud9-docker Ive set firewalld to set 80 and 8080 to public, ive tried ...
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30 views

CS:GO SRCDS and iptables (firewall)

I have very strange problem. This morning I wanted download, install and host small server for CS:GO on my VPS. I used this tutorial: ...
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24 views

How to achieve Port Forwarding on OpenWrt routers?

I am trying to set up a qBittorent Web UI on my home computer that will be available to me everywhere through Dynamic DNS. I have read the relevant posts here but am still hitting a wall. This is my ...
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1answer
48 views

3G Router supports port-forwarding, but it does not work

My Linux workstation is using an MTS 3G Wifi USB dongle to get onto the Internet - this workstation has no other network connection. This Router's Port Forwarding admin page does let me specify the ...
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11 views

VirtualBox command-line - setting up port forwarding

I know how to configure NAT-based port forwarding using the VirtualBox graphical interface (as in the example below). How can I do the same via the command line?
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26 views

Can I turn an SSH dynamic port forward to a VPN to use for the whole system?

I can create a socks proxy with ssh dynamic port forwarding and set my web browser to use it, but I want to use that route for the whole system. Is there a way for doing that? Can I turn that socks ...
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1answer
30 views

how can I access my server from outside of my lan?

I set up my own debian server at home and I can connect to it via ssh from any computer in my lan, but if I try to do it with my phone ( when using mobile data and not Wi-Fi) it does not work. When I ...
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1answer
36 views

Port translation - how to scatter outbound traffic across random ports?

I would like to be able to PAT such that outbound traffic for a given destination port is translated to some random port within a range on a per-PDU or per-packet basis. The intention is that ...
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18 views

Port forwarding is not working (Linksys WRT54G)

I have enabled port 3000 for my router in Applications and Gaming, but for some reason it will not work. When I try to access the port with my ip in the browser (http://xx.xx.x.x:3000/) it says, 'This ...
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2answers
23 views

Repercussions of opening ports for applications on router

I know there's a security risk with forwarding ports on my router to a computer on my network for applications like teamspeak or minecraft. However, I haven't seen any clear explanations of what the ...
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1answer
74 views

Unable to send email via any of SMTP servers using an IP camera, why?

I'm trying to setup Mail Settings on my IP Camera, but none of the SMTP servers seem to work, and this is only happening when it's connected on my DSL connection! Otherwise it works great on my cable ...
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1answer
38 views

VMware TCP port mapping not working - port not accessible via public IP address

Simply speaking, the forwarded port 45922 is accessible on the host via 127.0.0.1:45922, but not accessible on the host itself via its public IP plus port number 45922. Details are as follows. Host ...
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21 views

Internet gateway device protocol support?

As far as I understand, applications that need to transfer data across network address translators in a peer to peer fashion, like BitTorrent, usually rely on the UPNP IGD protocol to ask the router ...
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1answer
31 views

Can't open Minecraft Server for Internet

I followed all the steps for hosting a Minecraft Server: Allowing connection (inbound and outbound, TCP and UDP) to port 25565 on Windows Firewall. Forwarding ports on router configuration (TCP and ...
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1answer
29 views

Using a Raspberry Pi from another network

The idea to be able to connect to my raspberry pi via SSH when I am not a home. How do I do this? Do I just port-forward it? I also want to connect to it from my domain (polardragon.cf) instead of my ...
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34 views

CentOS as home network router: IPTables Port Forwarding failure

I have currently set up a home server with a CentOS 6.6 installation on it. The server has two NIC interfaces which I'm using it as my router and DHCP server. Here's a diagram showing the network ...
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1answer
39 views

Can't create VPN due to blocked ports

I want to be able to access my home network using VPN (preferably OpenVPN). The problem is that port 1194 is blocked by my current ISP and the only other ISP available does the same thing. The router ...
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30 views

Port Forwarding on DD-WRT-flashed router

As with many other cases, port forwarding is not working properly on my TP-Link WR1043ND router (dd-wrt build 21061), but the issues I am having I have failed to see described somewhere else. I can ...
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1answer
38 views

where is my port being blocked?

I'm trying to setup this software that allows me to use my laptop camera as surveillance and remotely access it via a website. I need to open a port that I can use to access the camera via a web ...
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2answers
41 views

Why is Port Forwarding HTTP from a Public IP Failing on Windows 8.1 Update (IIS 8.5)?

I have three Windows hosts on the same private LAN, each hosting an IIS default website. One host is running Windows 7 Pro, while the other two are running Windows 8.1 Update Version 6.3 (Build ...
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48 views

Public IP address port forwarding goes to my router's homepage and not my laptop’s server

I am trying to turn my laptop into an internal server to be accessed from anyone on the Internet. But whenever someone types my public IP address into their URL bar it sends them to my router’s config ...
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1answer
37 views

How can I correctly do port forwarding on two routers; a Wimax CPE and a D-Link DIR 803?

The first router is a Wimax CPE from BSNL. It is connected to the BSNL towers which enables me to have an Internet connection at my home. The CPE has a LAN port and no other port. But since it does ...
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19 views

port forwarding and hiding your IP [duplicate]

can i hide my public iP address by using the port forwarding ?
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44 views

Set up port forwarding on Ubuntu with ufw

I want to route HTTP traffic from port 80 to port 8080. I added the following rule to /etc/ufw/before.rules -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 8080 But it works only if direct ...
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26 views

Port forward anomaly

I own two TS3 servers on my dedicated server, each one on its own virtual pc. I have port forwarded it so (9987 - TS3 default port) it the first one and (9988) is the second one. The problem is that ...
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28 views

Port forwarding between two different networks [closed]

I have three Linux computers - A, B, and C. I have a TCP server that runs on C. B and C share same network and B and A share the same network. I want to send commands (and receive results) from A to ...
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21 views

Setting up port forwarding on secondary router with restricted config access to primary router

I can connect to Router 1 over wifi which is connected to the internet. I do not have access to Router 1's config settings to change any DNS, port forwarding, etc. What I was hoping to do is connect ...
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18 views

ssh port forward does not work in aws ec2

I used port following in linux to help check out git clone during vagrant up. During the setup, git can contact the github and clone via port forwarding. However after the provision, if I connect ...
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3answers
196 views

Port forwarding failure on a Zyxel VMG8324-B10A

I’m trying to port forward a TeamSpeak 3 server, I’ve done this several times before with success. But now I have a new router and it doesn't seem like it wants to play nice. I confirmed that the ...
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30 views

Forward HTTP traffic to a server behind gateway

I have a server behind gateway, which means it’s only pingable internally. Now I want to forward traffic from a outside server to this internal server. I want to use socat like: socat ...
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26 views

configure CM820 router for port forwarding

I was told that I have to configure my Arris CM820 port forwarding to allow me to access my home security camera remotely. However, after I logged into my CM820, there was no where I could do this. ...
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2answers
37 views

If a port behind NAT sends a packet to a malicious host, can that host send packets to any open port, or only the port that sent the packet?

For example, a computer behind a NAT router uses Skype. Skype uses port 4000 to send packets to a server to establish indirect connections with other Skype clients. Since Skype had sent a packet to ...
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1answer
54 views

Does Wake-on-LAN via WAN needs port forwarding?

If yes, how does it work? The pc still has no ip, so where should I forward the port?
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2answers
53 views

Port forwarding: how many routers between me and the internet?

I wish to ssh to a machine on my home network, so I intend to set up port forwarding. But how many routers are there between my home server and the external world (i.e. a global IP address)? I am ...
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38 views

how do I establish whether Glassfish is ready or not to accept JMS connections?

Working from a sample producer, which uses gtools, and by changing the connection parameters from localhost to the ip address for doge: def jms = new ...
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37 views

+Merlin FW / Port Forward via IPtables?

I have 2 WiFi Thermostats, Heatmiser, that i can control remotely, from LAN without issues, but only one from WAN. The thermo have a fixed port that cannot be changed and there is an App thet can be ...
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24 views

vpn connected computer does not accept ports forwarded by router

My setup is like this: VPN Provider -- Internet -- Router -- Server My router has a dynamicDNS name which gets updated on every reconnect as well as a couple of ports that are forwarded to the ...
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2answers
42 views

Forwarding a TeamSpeak instance

I’m trying to setup up a TeamSpeak3 server on my home network "net1.mydomain". It uses an IPv4 subnet of 10.0.0.0/8 in LAN; internet access using IPv4 is possible via CGN. This renders ...
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23 views

UPnP Port Forwarding doesn't appear to forward my telnet port

I used upnpc to set up some forwarding rules for HTTP and TELNET (I'm aware of the security risk, it's a test): upnpc -a 192.168.0.30 23 23 TCP upnpc -a 192.168.0.30 80 80 TCP Everything looks OK ...