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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Iptables port mapping from two PCs to one

We have 3 PCs, two of it are connected to internet (both of it have 2 NIC) PC1: eth0 - 1.0.0.1 (external IP) eth1 - 172.16.0.1 (internal IP) PC2: eth0 - 1.0.0.2 (external IP) eth1 - 172.16.0.2 ...
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NAT vs Port Forwarding [duplicate]

Possible Duplicate: What is port forwarding and what is it used for? What is the difference between NAT and Port Forwarding? Are they two different names for the same thing? Could you ...
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Set Up Port-Forwarding on Netgear N300 Router

I have a Netgear N300 router that has DynDNS.org as a preset DDNS option. After setting it up it (unsurprisingly) sent traffic directly to my router. I'm essentially using this to connect remotely to ...
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3answers
177 views

I'm in a pub with only port 80 and I need to SSH into something

Any public proxy ideas that I can use right away over port 80? I would presume this is a common problem. Would be nice to know if there are any sites sites or tools for solving it.
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Use Port Forwarding on Airport Extreme

Is there any way to use port forwarding on an Airport Extreme? I don't know the exact model but I know for a fact that it is the newest kind.
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Port Forwarding: Why do my local sites on 80 work but not those on 8080?

I setup my router to forward port 80 to the PC hosting my web site. As a result, I am able to access this url (Don't bother clicking on it, it's just an example): http://my.url.com/ When i click on ...
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Why isn't my port forwarding with mysql working on my server?

I have a mysql server running on some server in our network. Now, only connections from localhost are accepted by the server and I can't connect to it remotely. Now, I want to set up a port ...
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1answer
57 views

Is forwarding to port 9 (discard) essentially the same as blocking a port?

My router (Linksys WRT1900ac) seems to leave port 4567 open, as discussed in this question. I'd like to block that port. Unfortunately I see no easy way in the Linksys admin console to simply drop ...
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If my DSL modem leaves a port open, how vulnerable is my router?

Port scans of my old Netgear router showed that port 4567 was open. I assumed my router was to blame. Now port scans of my new Linksys router show the same open port, which makes me think my DSL modem ...
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3k views

Port forwarding not working in dd-wrt

I just bought a Netgear (3700v4) wireless router to replace another one (3700v1) which failed. A friend had helped me get port forwarding working on the original one. One of the important things that ...
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1k views

Dynamic DNS on D-Link DWR-112 3G router uses a private IP address

I'm using a D-Link DWR-112 3G router to connect to the internet by using Celcom broadband plug-in. How can I do the port forwarding to my server? I already have correctly configured my DynDNS, but ...
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87 views

How to portforward a site

We have a website, and my superiors asked me to install the mail server that is packaged with Synology. As I mess around with port forwarding I was able to set the mail server and the NAS to connect ...
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Windows 2008 server and Redhat with only 1 ip address, can windows route the traffic?

I have a two home server VMs set up. Windows 2008 server on port 80 and Centos/Redhat on port 8080. Both have separate godaddy domain name A name records pointing to them. But I cant point both domain ...
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1answer
1k views

Connecting to my own network via external IP

Even though I have seen and read quite a few similar Q's I was still unable to understand what is required for me to be able to do this. I have an internal network. One of the machines is a web ...
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1answer
6k views

Change PPTP control connection's TCP port number

I have some Windows 7 clients that connect via PPTP to a CentOS server, but I would like them to use a port other than 1723 for the control connection as that port is not available. Is there some way ...
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1answer
2k views

VM on ESXi host - How does one make externally accessible?

I have a home server running ESXi v5.0.0 with a VM guest OS (linux) up and running. I have apache 2.x installed and serving to my machine (i.e I can access the default apache page when going to ...
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454 views

Using router public IP to access another (located in WAN) router behind NAT

I have following setup: at home I have a router up and running with public ipv4 ip at my country house I have ipv4 cam and router which is behind NAT - no public ip (public ip is too expensive) both ...
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Cancel ssh port forward

To access restricted university web pages I often run the following command: ssh -fND port username@uni.address.here Then I open a firefox profile which I have set to go through port 5555 using a ...
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Tunelling video stream through SSH

I have this problem. There is an udp video stream accessible only on the local network, but I need to access it outside of the network. I have Linux machine (multiple actually) with root access. ...
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1answer
587 views

How to forward port when using 3 routers?

I've been struggling with my home network since I moved in but finally got to some results. Here's current set-up: INTERNET -> THOMSON 585V.7 (modem/Wi-Fi router) -> wireless bridge -> LINKSYS ...
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2answers
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Intranet, no Internet after switch to static IP on OS X

I have a Linksys WRT54GS and have two machines on my network connecting wirelessly. DHCP is enabled, and is granting IP addresses in the .100-120 range. The one machine is a laptop running Ubuntu ...
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Port 53281 (and now also 63356) forwarded on Asus router

I have a new Asus RT-AC68U Dual-band Wireless-AC1900 Router. Under the System Log - Port Forwarding page, I see the following: Destination Proto. Port range Redirect to Local port ALL ...
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1answer
36 views

How do I make a virtualised WAN?

I want to create a virtualised WAN. As in, I want to have a couple of VMs (VBox) on one physical host machine, that exist on separate LANs, but that can talk to each other. Do I make the VMs, set them ...
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55 views

Does Windows Firewall have a log?

I am trying to set my router to forward three of my ports for EchoLink. But I'm having trouble with it. I'm Using the PFPortChecker to see if the ports are open, it says they aren't, but to check my ...
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674 views

Port forwarding through a client bridge

I am having a problem with port forwarding with a client bridge. My main router is a 2wire router from AT&T using their firmware. It is a Router/Modem. In my room, there is a Linksys WRT54GL ...
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Port forwarding with IPTABLES and VBox

I have a small problem with getting a proper configuration of iptables under Ubuntu. But before, let me describe the network configuration: I am using xDSL line terminated with modem+router+DHCP ...
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1answer
610 views

Hosting dynamic DNS website on Virtual Box with single open port - safe?

I am looking to host a website on my own machine at home with something like dynamic DNS purely to demonstrate it to a some friends for a few days over my ADSL connection. On my LAN are a few precious ...
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1answer
540 views

How to go around a modem's port forwarding incapabilities

This custom cable modem my ISP gave to me does not support forwarding an external port to a different internal port. (For example, I can't forward an incoming connection on port 80 to port 3389 on my ...
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1answer
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Looking for a router-like web interface for my Debian gateway

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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Port forwarding

I want to set up a svn server on my computer, so it's available from anywhere. I think I set up the repository correctly, using CollabSVN. If I go to Repo-Browser with TortoiseSVN and point it to ...
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Router behind Router--second router (and its clients) cannot be “seen” even after both routers are DMZ'd/Port forwarded

Couple of terminology I guess I should get out of the way for consistency's sake throughout the post: External Router/Modem - SMC 8014WG - External IP 173.32.144.134 - Internal IP 192.168.0.1 ...
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Port Forwarding to put my web server on The Internet

I went to http://canyouseeme.org/ to check to see what my external IP address. Regardless of what port I enter, it tells me that the port is blocked. I have a LinkSys router that basically has the ...
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654 views

Security of port forwarding using UPnP and OS X

I have set up a VPN server in Leopard to allow me to connect to my MBP from my iPhone. I have used an application called iVPN that is great for setting one up, and I have used Port Map to map the ...
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1answer
104 views

Port forwarding for Teamspeak server

I am trying to forward ports 9987, 10011 and 30033 for my Teamspeak 3 server. My setup for the connections is as follows: Bayantel modem-router (Aztech 5001en) D-LINK DIR 300 (wireless router) ...
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Port Forwarding on Router using same internal port number on different IP addresses

The objective that I'm trying to achieve is to be able to connect to two computers that are behind the router using RDP. My logic is that I should be able to connect to the router externally on 2 ...
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1answer
71 views

Connect internet camera and bridge/forward IP traffic

I have an Ubuntu (14.04) machine with two Ethernet cards. One Ethernet card (eth0) is connected to the office network. The machine is addressable from the outside Internet. I have a Web camera that ...
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VirtualBox Port Forward not working when Guest IP *IS* specified (while doc says opposite)

Trying to port forward from host (Mac OS X) 127.0.0.1:8282 -> guest (CentOS)'s 10.10.10.10:8080. Existing port forwards include 127.0.0.1:8181 and 9191 to guest without any IP specified (so whatever ...
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434 views

How to forward ports through ssh and nat to another machine

I have a problem when using ssh port forwarding and nat simoultaneously. Situation: Machine A runs a webserver on port 8080 Machine B is a raspberry pi which works like a little router. It has two ...
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1answer
159 views

How does uTorrent can automatically forward port through Linux Net Filter based firewall?

I have dilemma: How it is possible that uTorrent shows on my internal machine with internal IP, that my connection is OK (green check in the bottom right of its window), while I never forwarded any ...
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2answers
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Slave: ssh: connect to host slave port 22: Connection timed out

i have done with single node cluster on two different machine,I have made one as master(192.168.1.1) and other m/c as slave(192.168.1.2), I am successfully able to ping between two machine,I have made ...
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2answers
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Why my Port Forwarding rule is not working?

I'm a total noob about TCP/IP, and try to set a port forwarding rule. What I'm trying to do is this: I have multiple computers connected to my router (zyxel p-660hw-t1 v2), one of them is working ...
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1answer
178 views

SSH Dynamic Port Forwarding

I've done lots of searching over the past couple of weeks. And I've found a LOT of blog entries and articles on the subject. But invariably they're either just an article talking about the benefits ...
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1answer
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Port forwarding ZyXEL-VSG1432

I just got this replacement router from Telus, and I wanted to forward some ports on it. I've done this numerous times, so I think I knew what I was doing: Set static internal IPv4 Go to router GUI ...
2
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1answer
119 views

SSH Port closed although forwarded correctly

I'm having an issue with opening my SSH port. Here are the symptoms. Within the local network I can ssh to the machine, including both locally (ssh localhost) and from alternate computers. I have ...
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1answer
680 views

Android PortForwarding

Is there a way to do WiFi tethering on my Android and do port forwarding for my PC from the Android. What I mean is: Internet --> Android Android has the port forwarding to PC (XAMPP) PC running ...
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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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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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726 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
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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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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 ...