Port forwarding is the act of using redirecting one port to another, commonly used to access a computer from behind a firewall with NAT.

learn more… | top users | synonyms (1)

2
votes
2answers
1k views

How can I run SSH on a port other than 22? [closed]

I have a Linux machine on my network. I connect to it using SSH with PuTTY over the Internet, so I have forwarded port 22 to the machine. Now I need to put another Linux machine on the network. I ...
2
votes
1answer
5k 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 ...
2
votes
6answers
644 views

Trying to set up at-home server but not able to set up IP forwarding

I'm having a bit of an issue trying to enable IP forwarding for my server. Hardware: Modem: Embarq 660 Series Router: DI-624 D-Link Computer: Vaio Windows Server Software: Apache, MySQL, PHP ISP: ...
2
votes
2answers
4k views

DD-WRT routers - How can I specify any/all IP address ranges?

I'm creating port forwarding rules on my DD-WRT router (shown below) and want to allow all (any) source networks access. My thought was to specify 0.0.0.0/32 but that is not working. How do I ...
2
votes
3answers
384 views

Setting up WOL for PC

My goal is to be able to wake my PC up remotely. So I did the following: 1) Running Windows 8 so turned off my firewall 2) Went into my LAN properties and enabled WOL 3) Went into BIOS and checked all ...
2
votes
2answers
821 views

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 ...
2
votes
1answer
6k views

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 ...
2
votes
2answers
17k views

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 ...
2
votes
2answers
1k views

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.
2
votes
4answers
4k views

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 ...
2
votes
2answers
4k views

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 ...
2
votes
2answers
336 views

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 ...
2
votes
1answer
133 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 ...
2
votes
1answer
144 views

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 ...
2
votes
1answer
533 views

MOSH into bastion server, SSH into internal hosts

I have ssh configured to automatically forward through the bastion host: Host bastion_host HostName bastion.example.com Host internal_host ProxyCommand ssh -q bastion_host nc -q0 ...
2
votes
1answer
61 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 ...
2
votes
1answer
5k 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 ...
2
votes
1answer
2k 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 ...
2
votes
1answer
89 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 ...
2
votes
3answers
388 views

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 ...
2
votes
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 ...
2
votes
1answer
8k 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 ...
2
votes
1answer
3k 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 ...
2
votes
1answer
468 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 ...
2
votes
1answer
2k views

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 ...
2
votes
1answer
5k views

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. ...
2
votes
1answer
639 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 ...
2
votes
2answers
1k views

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 ...
2
votes
1answer
36 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 ...
2
votes
1answer
161 views

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 ...
2
votes
1answer
37 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 ...
2
votes
1answer
878 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 ...
2
votes
1answer
3k views

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 ...
2
votes
1answer
4k views

How to run an Apache Tomcat Webserver on my PC and access it from a real Android Device?

What I have I have a Tomcat 7.0 server running on my Windows 7 PC and I have a dial up internet connection. IP I get on whatismyip is 117.xxx.xxx.xxx. I want to use this machine to test my Android ...
2
votes
1answer
659 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 ...
2
votes
1answer
567 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 ...
2
votes
2answers
1k views

Windows 7 Port forwarding remote desktop issue

I have been banging my head against the wall for a long time now trying to get remote desktop working on my Win 7 machine. Here are the things I have tried: I have verified using ...
2
votes
1answer
1k views

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 ...
2
votes
2answers
1k views

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 ...
2
votes
2answers
2k views

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 ...
2
votes
3answers
8k views

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 ...
2
votes
1answer
679 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 ...
2
votes
0answers
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 ...
2
votes
1answer
213 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) ...
2
votes
1answer
606 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 ...
2
votes
1answer
220 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 ...
2
votes
2answers
4k views

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 ...
2
votes
2answers
2k views

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 ...
2
votes
1answer
199 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 ...
2
votes
1answer
1k views

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 ...