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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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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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 forwarding java.exe [on hold]

I run my server with jdk. My IP: 192.168.1.2 I NAT 8001 => 192.168.1.2 on modem ------- netstat Java.exe | 8001 | LISTENING I check it but port 8001 is not reponse. Please help me! Tks
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Port 21 is open but I can't connect to FTP server

I have a very basic FTP server running on Windows 10. Right now, I have no trouble accessing this server from my WLAN. However, when I try to connect from outside my network—using my public IP on port ...
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1answer
21 views

How do I make a server accessible over the internet

I wrote a chat client and server in Java. It works but as I'm finding out, only locally. The goal is to get it to function over the web. I've tried quite a lot of things, and can elaborate if need ...
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35 views

Establishing an SSH connection between machines behind firewalls

I have two machines, A and C, each of which is behind a firewall so they can’t accept incoming SSH requests on port 22. I have a third machine, B, outside both firewalls and I wanted to SSH from A to ...
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Can't access my IP camera over the internet

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 step by step: I configured the local IP (camera_ip) and port ...
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47 views

SSH into remote computer from home (Port foward)

Sometimes the VPN at my friend's place goes down and there ends up being no way to access his computer remotely. I was looking up SSH port forwarding but do not really understand what I'm reading. ...
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How other applications that needs internet works, even my upnp disabled?

How other applications, like google chrome, or some games, that needs internet works, even my upnp disabled? And how to make my server-client based chat application make available to public networks ...
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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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Two routers “cascade”…?

I have two routers: a branded LTE router (router #1) and a "normal" 4G-ready tp link w8970 (router #2) I connect the LTE Router to the USB port on router #2 and the connection works correctly: I see ...
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Scanning my public IP address with Nmap finds TCP port 1720 open, is this a security concern?

When scanning my public ip address with Nmap I found out that I have open port on 1720/TCP. According Nmap service on it is H.323/Q.931. Researching uses of this port also brings up Microsoft ...
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iptables: How to redirect port in Red Hat Linux (RHEL)?

I'd like to forward port 80 to 8080. So I tried to edit /etc/syscongfig/iptables: -A PREROUTING -t nat -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080 But got: # service iptables restart ...
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3answers
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How do I remove an SSH forwarded port

I used ssh -L 10002:192.168.0.30:10002 192.168.1.135 to establish port forwarding but now I need to remove it. How do I do this?
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ICS Port forwarding not working working when using Hyper-V virtual adapters

Description: I have a gateway machine (Win 2012 R2) which is also running Hyper-V. Hyper-V has replaced the physical network adapters with virtual ones. I have ICS enabled on the first virtual adapter ...
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23 views

Google Compute Engine as a Minecraft server

I'm working on using a Google Compute Engine instance running CentOS 6.6 as a Minecraft server, and I'm curious if it is technically possible to use port forwarding to allow other users to access it. ...
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28 views

Can't setup port forwarding

I'm trying to setup port forwarding for my new game, so I can test it online. The game works well on lan when I use the local ip of the server. Here's what ipconfig says: And here is how I setup ...
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Unable to connect my filezilla ftp server, returns error 421 Login Incorrect

I have a internet connection with live ip. I have forwarded routers port 21 to my local server, where I have installed FileZilla FTP server. It works fine in local environment, but when I try to ...
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21 views

Port Forwarding for 2 HTTP Servers (one of them is on VM)

I have a Dynamic DNS from noip.com and I have installed their client on my home server. I have also installed WAMPServer to use as an HTTP server (for testing purposes only as I'm a web developer) ...
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4answers
819 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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Share VPN via wifi and forward ports?

This is a sequel to this thread: Forwarding ports after carrier grade NAT? Anyway, someone said that I can download a free vpn (I still dont know what vpn to download) and share it via wifi.. So any ...
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Namecheap port forwarding

I bought a domain name (say x.com) on namecheap. When I go to x.com using my web browser (port 80), I get my index.html since I'm running apache. But when I try ssh user@x.com I get Connection ...
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Windows 7 SMB / Port Forwarding

I'm trying to configure my home desktop to work with tunnelling, SSH Port Forwarding and Windows File Shares. It was working for me but with any change in the setup it suddenly stopped and I can't ...
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37 views

Forwarding ports after carrier grade NAT?

I cant forward ports anymore to my Xbox cause turns out my ISP recently refreshed IPs and all their IPs are public now and they say you can only forward ports if I request a static IP for a large ...
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Both Xbox One and PlayStation 4 wants to listen on ports 80 and 443?

This is really a question about poor documentation more than anything. It seems both the Xbox One and PlayStation 4 wants to listen 80 and 443. As I’m in a household with a webserver listening ...
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19 views

Reverse Proxy, Port Forwarding for passing on Reverse SSH

I'm trying to access a webpage hosted on a device from an AWS public URL. The catch is this device's IP is not public. I am able to issue a command to the device locally (ssh -i path/to/Cert -R ...
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Accessing the Router Web interface via the internet (D-Link 2740U)

I'm using port forwarding on my home router (D-Link 2740u) so that it forwards incoming port 80 requests to a raspberry PI hosting a simple page that links to various other parts of my network. On ...
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What are the differences between the 3 port types?

I have already read through a thread very similar to this one but I still didn't understand it. Could anyone explain the difference between well known, registered and dynamic ports. What I know so ...
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How to port forward successfully & mask between internal & external ports

When my bittorent client uses port 6881-6889 as listening port I suppose that is the internal port? How does one mask bittorrent client from ISP's? For example can I use virtual server configuration ...
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18 views

How to port forward through two routers in a network

I am trying to connect my SQL server through public network. So, I am having lots of problem in understanding it. One router is AirOS's(Outside my house) another is Iball's Baton(Inside my house). ...
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111 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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Port forwarding working on Virtualbox but not on VMware Workstation for Centos7 virtual machine

I'm running Windows 7. I created a Centos7 virtual machine originally through Virtualbox and successfully set up port forwarding with these rules to allow SSH and HTTP: Protocol: TCP | Host IP: ...
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Why does bittorrent not require port forwarding? [duplicate]

I know that usually when you set up a connection between a data source and a data receiver that you need to port forward to gain access to the data source computer so I was wondering why you don't ...
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Enabling PortFowarding with Amper

Im trying to open ports on this router (Amper) its a fiber optics internet router and tv at the same time. My problem is, I have set all these ports opens as you can see in this picture but none of ...
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How local host is shared to Internet?

Recently I have found websites which generate a public URL for a given local host. I'm immensely interested in understanding how a local host can be shared to Internet. After searching a lot I got ...
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810 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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91 views

ssh: connect to host port 22: Connection refused

I am trying to ssh into my new Raspberry Pi using MobaXterm but I keep getting the following error: ssh: connect to host ... port 22: Connection refused. Both the PC and Raspberry Pi have wired ...
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PF firewall: How to disable all filtering on loopback interface EXCEPT specific port forwarding rules?

PF question on OS X Yosemite 10.10.4: I know that set skip on lo0 disables all filtering (nat and redirects) on lo0, but what if I need to save the httpd port forwarding rules on this interface while ...
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Looking for a router-like web interface for my Debian gateway [closed]

Hey, I need a web interface program for my debian gateway which has the features of a router's one. Specifically, I must be able to easily Forward ports to various clients on the LAN or the router ...
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Possible to “ping” url:port? (OS X-GeekTool)

I'm trying to use GeekTool (Mac pref pane... basically just embeds output of a shell command/script on the desktop... ...
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Shared external IP address

So Here is my set-up: I have a raspberry pi behind a router. I set a static internal IP address for the pi. I configured the SSH config files and everything how I like it so far. I have a contab ...
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Can't forward ssh port properly on fritzbox 6490

I tried to forward port 8022 to port 22 on my raspberry pi in my fritzbox 6490. Therefore I added the port forwarding rule for udp as well as for tcp. My problem is, I keep getting a timeout error ...
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412 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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1answer
32 views

Use my home's public DNS hostname and port forwards internally

On my home gateway/router, I have multiple services running on various ports (SSH, IP camera over HTTP, etc) exposed to the internet via port forwarding. I also use these services internally while on ...
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717 views

Port forwarding ranges in Windows 7

I'd like to Port forward a few ranges on my Windows 7 Desktop. Ideally I'd like to use a desktop utility for this purpose but I couldn't find one except this: http://www.quantumg.net/portforward.php ...
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Access IPv6 computer from IPv4-only network. Is it possible?

I recently changed from an ADSL 10 MB to a GPON 40 MB and since then I'm having a bad headache. My old ISP (ADSL) gave me always a valid public IPv4. Sometimes it changed but there was no problem ...
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Port forwarding with micromax mmx219w plug and play WiFi modem

I'm using a micromax auto plug n play wi fi modem with router functionality, it provides 8 WiFi connections. Model: micromax mmx219w WiFi router. When connected to a USB port, it gets a external IP ...
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How can I bypass proxy using tunneling?

I am trying to use tunneling to bypass proxy. I have a server running at http://52.25.74.139/. Now, my proxy server, which address is 10.2.0.10 at port 80 does not allow us to use facebook. I tried: ...
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Forwarded port 4433 to my PC's IP

On my router ASUS RT-N18U is port 4433 forwared to my PC's IP address. I've not done this and I don't know what does is mean. Should I be worried? EDIT: And also ports 60868 and 46153
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Port Forwarding with 2 NICs via Windows 7 firewall

I have a computer with two network cards, each of them connected to a separate network. I would like to forward all requests that arrive via port X from one networks to port Y on a host in the other ...