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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SSH portforward and direct SSH to remote box

There are 2 servers - server1, server2. To access app port on server2, I go via port forwarding. ssh myuser@server1 -L 7777:server2:9999 So, now I simply direct my browser & point it to 7777 and ...
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run web server from virtual machine, how do I use port 80

I have a host system running Fedora 15 and I have a guest system running CentOS 5.5 in VirtualBox. I did set up a virtualmin install and added port forwarding to the virtual machine. When I forward ...
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3k views

Operation timed out error when trying to SSH into local machine

I'm trying to set up SSH into my local Mac. I have taken the following steps: Enabled remote login on the Mac Verified I can ssh from my local Mac into my local Mac Verified I can ssh from another ...
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Allowing port-forwarding on a Belkin wireless router

Not sure on the exact model, but I have a Belkin wireless G router. I would like to be able to ssh (amongst other activities) to my home machines from outside my home network. I have DNS entries ...
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55 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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2answers
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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4answers
2k views

Stolen MacBook Pro

My MacBook Pro was recently stolen. I still have remote access via Dropbox and his IP address. I don't have the expertise to run SSH and change the remote login. I'd prefer to use a keylogger. Could ...
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1k views

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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6answers
5k views

Port Forwarding not working in DSL Router

I am using BSNL BroadBand connection and a DSL Router is provided that can act as a Default Gateway to many wireless devices. One such device is my server. I have bought a static ip on lease. So that ...
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3answers
234 views

The physical aspect of networking ports

I stumbled across this article which, unlike any ambiguous article I've read, states that my "pencil-thin network cable (or wireless network adapter) at the back of your computer contains 65,536 ...
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493 views

Connecting to own IP not working

I am able to connect to my machine using my external IP address from remote computers with no issue, but from my own computer I am unable to connect using my external IP. How can I configure my ...
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812 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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200 views

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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1answer
293 views

Does DynDNS always point to my external IP?

I want to be able to ssh to my box from anywhere on Internet so I am doing port-forwarding. I've registered with free dyndns.org account so that evenif my external ip changes, it doesn't affect the ...
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1answer
667 views

Can we use port numbers at Domain registrar in domain name

I was just thinking it would be good to have port numbers with domain name at domain registrars. For example if I have my site running at port 8000 I mean http://ipaddress:800 then in domain name if ...
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2answers
2k views

How to automatically forward a port from the router to a Mac ? (UPNP)

I'm looking for some no-brainer commandline tool or script that can be used to forward a given port from the LAN's router (which supports UPNP) to the local machine. E.g. upnpforward 9000 would ...
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2answers
5k 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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3answers
488 views

Serve all content via HTTPS, regardless of web server settings

I've got a server running on port 80 on a Mac. I'd like to also have the same content that's being served on port 80 available on port 443. I'd like to know if there's a command line way or an easy ...
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1answer
1k views

Forwarding The Same Port To Multiple LAN Servers?

I would like to be able to use the Wake-On-LAN feature to be able to turn on the two computers attached to my router when i am out of the house using my WAN IP Address. Router = 81.210.109.0 PC A = ...
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3answers
2k views

Trying to chain 4 routers together.. possible?

I have comcast 50mb internet and 3 other routers that I am trying to connect throughout my duplex house. I am running 50 ft cat5 cables to them throughout the house and have them powered on and ...
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2answers
1k views

How multiple connections with a single port are maintained

After reading about packet and circuit-switching, I've learned that servers maintain multiple connections with a port by passing down an established client connection to a child process; and that all ...
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2answers
637 views

Problems exposing a web site from behind a router

I have a D-Link DSL-2650U ADSL router for my home network. I also have my own domain server registered at dyndns.org, and I have successfully configured my router to keep [mydomain].dyndns.org ...
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399 views

Port forwarding - firewall deactivated?

In a Port Forwarding guide I have read I should set port forwarding on my ADSL modem and disable its firewall. Until I did both of this, my torrent client was not visible as a server from outside. ...
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1k views

How can my local website be visited from outside? [duplicate]

Possible Duplicate: Allowing access to localhost page outside network? I can visit my site by http://localhost And I give my friend my ip address like 220.181.6.184, but they can't browse ...
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4answers
988 views

A can ping B, B can ping C but A cant ping C. How do i connect A to C (ethernet)?

I have a computer at home with ip 192.168.221.xxx I have another computer at work that I can ping and it has 2 ip addresses: 192.168.1.xxx and 192.168.0.xxx. Those last 2 addresses have the same ...
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2answers
109 views

How to make a publicly accessible directory in a pc [closed]

I know this might be a pretty basic question, but I am quite stuck here. And I have very basic networking knowledge, if any. I have a PC with a static IP from my ISP. I connect through a wireless ...
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Do my other local computers need a static IP when I use port forwarding?

If I change my main computer to static and port forward to get a server hosted, does that mean that I need to change the rest of the laptops and computer on the network to static to get them to ...
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385 views

Torrent ports and firewalls

I use this uTorrent program, under its settings 'Listening port' I set up a port of 46301, and also open that port in firewall. But whoever connects to me to leech, they connect to random ports ...
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1answer
17k views

Why is my connection refused when port-forwarding?

This question is related to this: Application / Device setup for remote network connections I have a 2wire 3801HGV router and I made some firewall settings to open some ports on one of my connected ...
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2k views

CenturyLink C1000A Router Trouble

Details: Actiontec C1000A Router from CenturyLink Problems: Firstly, the web interface ('192...') only seems to work in firefox. When used in chrome, nothing is clickable but the css seems to still ...
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2k views

Wireless router + separate switch - port forwarding

I am building a new home and I have network cables running to every room essentially (around 11-12 locations). In the past I have had a wireless router that has a 4 port switch, which has worked ...
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3answers
3k views

How can I SSH into home computer from internet

I have a setup like follows I have a router that connects to the INTERNET, where my ISP provides dynamic ip two systems are connected to the router with locl ip 192.168.1.2 and 192.168.1.3 the ...
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Port forwarding not working?

I'm trying to set up an Apache Server to be accessed publicly. I'm using a Netgear R4500 router hooked up to a Motorola SB6121 modem. I can access my server on my computer by typing in my IP address. ...
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Port Forward: Cannot access network device from internet

I have a DVR which is connected to a router. Router IP 192.168.1.1 Router Settings page: 192.168.1.1 Port 80 DVR IP: 192.168.1.114 DVR Video Client page: 192.168.1.114 Port 2800 Port Forwarding: ...
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7k views

How to Forward Port 22 to allow SSHing from outside LAN [duplicate]

Possible Duplicate: What is port forwarding and what is it used for? I want to be able to SSH my computer from anywhere. I heard I have to forward port 22. I honestly have no idea what that ...
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2answers
1k views

Can't connect via HTTP to dyndns.org-powered home webserver outside of router … why?

I'm setting up a webserver behind my router. I've done the following: Router: Port forwarded 80, 8000, 8080 to the correct IP address (192.168.1.5 in this context). Router: Enabled dyndns.org ...
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881 views

Manage TCP ports remotely in Windows Server 2003

I'm connecting to Windows Server 2003 and trying to set up MS SQL Server 2008. SQL Server requires port 1433 to be open, but when I click on the firewall settings, I get a message that ipnat.sys is ...
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1answer
6k views

UPnP port mapping client for Linux

Is there any client that can request mapping and unmapping ports via UPnP port mapping behind a NAT gateway? I had problem with PortMap. I want this mostly for testing purposes.
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107 views

Forward non-local connections from router

I am using a SMC router/modem. I have a server running on my computer accepting connections at port 8000 I set up a Customer Defined Service Table for an HTTP service to accept connections at port ...
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1answer
777 views

Hosting games via UMTS surf stick

I've recently bought a UMTS surf stick from German ISP and cell phone carrier 1&1. I'd like to host games (Settlers) that require a direct connection to other players via TCP/IP. I understand ...
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2answers
2k views

Port forwarding to asp.net development server

I have configured my router so that I can access my local host from internet. But I can't manage to port forward it to asp.net development server. In the router's port forwarding I did the same ...
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1answer
6k views

How to access my local host server from internet

How to access my local host server from internet have installed WAMP server on my Windows XP, And i had created a index.php file in my root folder, and i assigned a virtual name to my localhost. eg: ...
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5answers
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Port Forwarding and Internet Sharing Problem

This is not a firewall issue. I have an ADSL connection, and have set port 50420 to be forwarded locally for use with utorrent. Everything was working fine, and various tests and utorrent itself ...
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2answers
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Setting up multiple linux home servers to access from outside home

I am trying to set up several server to which I can SSH from outside networks and the following things come to mind. If I use a solution similar to this previous question then it means that I can ...
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1answer
400 views

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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2answers
211 views

Set up direct SSH connection from A to C without public IPs using one public SSH server

I have available these SSH servers/clients: A - without public IP B - public IP C - without public IP I know, I can establish an SSH connection from A to C as follows: 1) Hook C to B. ...
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332 views

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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784 views

How to communicate (route traffic?) across two different subnets

A home networking question. I would like hosts on different networks (subnets?) that use the same internet connection to communicate. Two routers, 192.168.2.x connects to the the internet and ...
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1answer
42 views

Portforwarding Combine Several Ports

I got a Raspberry Pi at A.A.A.B in my local network and I have set up a DMZ on my router so that any incoming traffic that comes to my router gets redirected to my Raspberry Pi which I can connect via ...
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2answers
382 views

Forward a port with modem (with built-in but disabled router) + a separate router

I have a Motorola SBG6580 that is a modem and a wireless router in one. However, the wireless router part was bad so I disabled it and got a separate wireless router. I can go into the configuration ...