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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Cause of IP port blocking when network is inactive

i have a static IP connection to access my office DVR remotely. i am using a bridged modem, configured the ports to forward everything correctly. everything was working perfectly for a few weeks and ...
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763 views

DMZ forwarding on Cisco DPC/EPC2100 Cable Modem to Linksys Router for IP Cameras

I have one of the old Cisco DPC/EPC2100 Cable Modems and wanted to know if anyone has had any luck setting up DMZ on it? Link to modem: http://www.cisco.com/web/consumer/support/modem_DPC2100.html ...
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742 views

Make router forward HTTP and HTTPS traffic to external App

I use a Linksys WRT54GL router with DD-WRT v24-sp2 (10/10/09) std (SVN revision 13064) which I am trying to make forward all HTTP and HTTPS traffic to an external app called Fiddler (used as proxy) on ...
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1answer
1k views

Port Forwarding UDP ports not working

For making a Call Of Duty Server using cod-rcon tool, I have port forwarded the following ports: 28960, 28961, 20500 and 20510 (all ports in UDP). If I use this website to check if the ports are open ...
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118 views

Can't seem to find an open port to host a webserver

It appears that my ISP is blocking every single port as i cannot seem to find a port that isn't blocked except for 22 (SSH). I can't find a port to host my home webserver on (which i am trying to set ...
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2k views

Why do I see router and not my real IIS? [duplicate]

I am trying to access IIS through web but unable to do so. Basically I have a router (which functions as router and modem) that is given by ISP and I have another router connected to the router given ...
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1answer
649 views

Is it possible to use SSH port forwarding with FTP?

I tried using SSH port forwarding with FTP but it didn't work even though I used FTP connections. It seems that the FTP server gives you another port number to use, so you must be able to connect to ...
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1answer
1k views

Cannot access local server via home router — but works from outside [duplicate]

Possible Duplicate: DD-WRT: How to allow port forwarding to apply to requests originating from inside the LAN? I have a webserver running on my private PC at home. This PC is running ...
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244 views

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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1answer
727 views

How to setup port forwarding for HTTP

I have a D-Link router and added a Virtual Server (Port Forward) on port 80. My web server (apache) is running on 192.168.0.199 I have reserved this as my static IP address for this machine on the ...
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2answers
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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3answers
10k views

Remote desktop connection over internet without port forwarding?

let's say that we have this situation. I want to remote desktop connection to my friend over the internet, but I don't have premission for port forwarding on the router, and my friend also can't ...
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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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3answers
193 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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2answers
411 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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2answers
646 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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4answers
2k views

keep SSH-port-forwarding connection alive

I am doing a permanent port forwarding via SSH. It is basically while true; do ssh <somewhere> \ -R <dst-port>:localhost:<src-port> \ -N -n ...
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1answer
254 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
367 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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3answers
215 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
7k views

How can make a web server publicly accessible?

Recently I have installed LAMP server on Ubuntu Server and now my website is accessible from any device that is connected to my DSL modem (router). But I don't know how to make the server accessible ...
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2answers
944 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
1k 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
574 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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3answers
353 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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773 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
805 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
152 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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1k 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

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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3answers
1k 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
5k views

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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617 views

How do I port forward my Computer that uses Bridging?

I need to portforward my computer using bridged connection type. Previously my router dialed my connection and there was an Port forward page in the router and by adding rules there , it worked Now ...
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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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3answers
8k views

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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2answers
760 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
3k 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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103 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
661 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
1k 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
5k 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
1k views

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
31 views

Port forwarding doesn't work?

I set up a linux box a few days ago to host a web server (nginx). The site is ilan.duckdns.org, and I can connect to it fine using my local IP as well as the external IP. However, when I use ...
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1answer
235 views

Making phpmyadmin accessible over internet

I have XAMPP installed on my Windows XP server. I have port 3306 (mysql) and 80 (apache) on the machine forwarded to 5016 and 5011 on the router respectively. I am able to access the phpmyadmin ...
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1answer
81 views

ssh port forwarding and multiple aliases

I have the following ~/.ssh/config file: $ cat ~/.ssh/config Host myalias HostName fully.qualified.domain.name Port 2222 LocalForward 3690 127.0.0.1:3690 When I ssh to myalias, ...
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4answers
176 views

How do I forward a port accessible to the world on my Mac?

I realize that there's a lot of info out there about port forwarding, but here's my specific situation. I need to use Remote in (via VNC) to my Mac. By default, the Mac Remote Sharing server listens ...
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68 views

What exactly is a trigger port and how do I figure out which one it is?

I have this router now since a few weeks and I need port forwarding for certain games and/or gaming services such as Steam. Now normally configuring this is a non-issue for me, but what boggles my ...
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212 views

what is DMZ in Router, how to make an private ip act like public ip

i have a d-link and i'm behind a NAT router by my ISP i knew that because i receive in my router wan IP a private IP, i forwarded port for my computer ip but it still closed so what is the solution ...
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1answer
158 views

How are they blocking RDP on port 80?

I'm on a corporate computer that is behind a very restrictive firewall, and trying to connect to my home computer. I configured my router to forward port 80 to 3389 (RDP port). My idea was to try to ...
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1answer
4k views

How safe is it to open ports on your router? [closed]

I want to open some ports on my family's network, for game servers and other protocols like HTTP and FTP. My dad, however, thinks this is unsafe (for him). Is it easy for a hacker to get in to our ...