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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391 views

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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29 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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182 views

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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832 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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787 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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121 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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261 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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24 views

Delay packets sent through a given TCP port

What is the best way to purposely delay packets (by 10 seconds for example) uploaded to a given TCP port (e.g. 1935) on the RTMP protocol? The approach must work on Mac OSx Yosemite. I have tried ...
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31 views

I can't access my DVR remotely

I installed HKVision security cameras some time back. I formatted my computer a week later. Before formatting, I had port forwarded the DVR I.P address, so I could access the live feed and recorded ...
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65 views

Ubuntu Server 12.0.4 vsftpd timeout using external IP

I am having a problem connecting to my Ubuntu 12.0.4 server with vsftpd using my external IP. Connecting with local IP is successful. I am using FileZilla for the ftp client. I know there is a bunch ...
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54 views

How to configure iptables to set public IP for outgoing traffic from private IP

I have multiple public IPs at home: 1.1.1.1 (main IP) 2.2.2.2 (additional IP) In my local network, I have two computers, let's say 192.168.1.1 (PC1) 192.168.1.2 (PC2) Infront of the computers I ...
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25 views

Change HTTP/S ports in OS X Server?

I am setting up OS X Server on a local computer (for managing a few devices.) I contacted my ISP to allow me to set up port forwarding, and they said that incoming ports 80 and 443 are disabled. Which ...
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121 views

Port forwarding outgoing request with PF

I'm trying to redirect all outgoing traffic from my local machine on port 843, to go to my local service on port 1234. So, when I make a request to e.g. 1.2.3.4:843, I want it to connect to ...
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142 views

Connect to nodejs through public ip address

I have a basic node express app running on port 3000. I can access it via 127.0.0.1:3000, my private ip is 192.168.1.2 I've set up portforwarding in my d-link router as followed: Private IP ...
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93 views

Port remains blocked after opening

I have a TP-Link WR841ND Router. To test a server, I've had to open port 69. When the router is connected to my internet at home, and I do the router's routine of opening a port (I know how, have ...
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167 views

Accessing Servers without Port Forwarding

So I'm stuck in a conundrum. I can't buy a server, and I'm stuck with this ISP who refuses to give me a new router. They have given me a ZTE Router (ISP is Cincinnati Bell FiOptics (great speeds ...
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66 views

Point an internal IP address to an external URL

Is it possible to set a router up so a machine in the LAN can access an Internet URL using an internal IP address? I have a cheap DVR box that can save recorded videos to a FTP server, but only ...
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77 views

Is Wake On LAN supposed to work even after AC power reset?

So, if you unplug the AC power cable from the wall and re-connect it to the PC Power Supply, is the Wake On Lan functionality still supposed to work on a PC? The WoL functionality is enabled in Bios ...
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26 views

port forwarding in windows

I need to forward all incoming traffic on specific port to another port on the same device "locally not proxy", and all outgoing port traffic. in Linux it is possible using iptables I used NAT chains ...
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393 views

Port forwarding with Verizon FIOS and ActionTec router (hard)

I just spent over an hour with Verizon and ActionTec support, trying to open ports to one of my local machines. IMHO, the Verizon guy was very helpful but not technically deep enough to figure it out, ...
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102 views

I can connect to my SSH server but cannot browse the internet

I have setup an ssh server on my windows 8.1 system as well as port forwarding on my home router and from inside and outside of the network I can login on my macbook using the command ssh -D 8080 ...
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26 views

Bad Results from Port Check Sites

I'm not a network expert, though I know how to set up a static IP and forward ports. I've always wondered how port checking sites like http://ping.eu/port-chk/ work, because whenever I try them on ...
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176 views

Double Port Forwarding with two routers on the same network

I'm running a hand full of servers on my network. I'm running out of port forwards on my primary internet router to forward traffic from the outside to the inside. The network has another router wired ...
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570 views

Connection reset when trying to tunnel http/socks by multi-hop ssh

Involved machines: (client)A -- B -- C(exit) A/B is cygwin ssh/sshd, C is linux What I want: A's http(s) and socks traffic be tunneled through B,C. Destination is any IP, so -L alone doesn't ...
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74 views

upnp and port forwarding, how it works

I know that some programs like utorrent use upnp to add port forwarding automatically, how ever port forwarding does not appear in routers setting? I'm wondering how router pass traffic in/out without ...
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262 views

Port forwarding from router to machine in LAN not working

I have a domain, and am attempting to serve my website from a local machine. Port forwarding on my router does not seem to be working. Here is how I have it set up up, and what I've tried to narrow ...
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115 views

Port-forwarding: different ports in router log?

My friend cannot connect to my minecraft server. How do the the different ports shown in my router's log affect port forwarding? What can I change to allow my friend connect to my server? I believe ...
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91 views

Trouble viewing website outside of local network with outside IP

Hey guys so I'm having an odd problem. I have a webserver on an adruino that i'd like to have access to outside of my home network. Accessing the HTML page hosted on there with the internal IP ...
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386 views

SMB over SSH port forward

I know that since SMB is not secure, opening port 445 on firewall makes your computer vulnerable. To secure my connection, I want to run a SMB mobile app via SSH. Would I still need to open port 445 ...
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2k views

Can't connect to qbittorrent (or other client) Web UI, except through localhost

I'm trying to use qBittorrent's (I've also tried other torrent clients') remote Web UI, but can't seem to get it to work. I can connect just fine using http://localhost:PORT, but can't connect using ...
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881 views

Difference between External/Internal Start/End port?

When setting up port forwarding using NETGEAR Genie, I can specify up to 4 different ports for each forwarding: External Start Port External End Port Internal Start Port Internal End Port If you ...
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36 views

Redirect bound port

I want to use a lighting control software (M-PC) on Windows 7 that sends its command via Art-Net (UDP). I installed a loopback adapter for the software to send on and wrote a little script that should ...
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82 views

DDNS on raspberryPI connected to mac shared internet

Disclaimer - I understand that many of my problems could be solved by hooking up the pi straight to the router, but I've really become interested in solving this problem. My setup: DD-wrt cisco ...
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147 views

SSH on Ubuntu with Port forwarding

I am a newbie to networking, so need some help to understand if what I am doing is right: I have a VM which hosts a Ubuntu guest OS with an internal IP: 192.168.15.6 I have setup an ssh server on ...
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439 views

OpenVPN works locally but not publically

Main Problem I can get OpenVPN to work when I use all local IP addresses but when I try to connect the client to a public address, it doesn't work. I'm following this guide: ...
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299 views

Soulseek port forwarding

I did port forwarding for Soulseek. If I click "Check ports" now, it says the ports are open (before it didn't), but I still get these error messages: Requesting file list... A connection ...
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553 views

ssh_exchange_identification: connection closed by remote host VIRTUALBOX scenario

On a virtual debian machine in VIRTUALBOX I type: ssh -R 2222:localhost:22 andrea@10.0.2.2, to make reverse tunneling and allow remote machine to see debian desktop. on the remote machine (ubuntu) ...
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294 views

Can't set up port forwarding on ZyXEL DSL router

I'm trying to set up SSH connection with a PC that is behind the DSL router. I do know that to do that - I need to turn off firewall on the router and set up port forwarding. So my firewall is off. ...
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173 views

Port Forwarded, still cannot see IISExpress webserver

I am using IISExpress. I have a BSNL modem(Name: VMC 21, ModelNo: AN1020-21). I've set up port forwarding to port 5069. My static IP address is 192.168.1.121 - I am using DynDNS. My problem is, I am ...
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253 views

Port forwarding & OpenVPN

I have a raspberry pi running Debian (raspbian) and I'm having issues that don't seem raspberry pi related. I connect to this device via ssh most of the time on my local network, but decided I would ...
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326 views

VPN On - Allow Port Forwarding?

How can I allow incoming connections on a Windows 7 machine that is connected to VPN? I have some services listening on certain ports that I have forwarded from my router. When the VPN is ...
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341 views

Unable to open ports on the virgin media super hub VMDG480, anybody have/had this issue and has a fix?

Recently got 30Mbps broadband from Virgin Media and the gave us a modem/router super hub (VMDG480), I have tried opening ports for a couple of game servers but when I check these, they are still ...
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147 views

Port forwarding windows 7

I need to forward petitions from a laptop connected on two routers. The first one is the Internet router (192.168.1.0/24, WIFI), and the second is a VPN router (10.x.x.0/24, WIRED, DHCP relay over ...
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442 views

How do you set up port-forwarding on a SwissCom Motorola Centro Grande?

I'm setting up a Minecraft server and the NAT forwarding on my router isn't working. This isn't the first time I'm doing this - I previously did this with an Apache server (used to run a server) and ...
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818 views

Iptables port redirecting. Rule doesn't work or show up in iptabels

I'm trying to redirect some incoming TCP traffic on port 443 to port 999 with iptables in an Ubuntu VM. I am using sudo iptables -t nat -A PREROUTING -p tcp --destination-port 443 -j REDIRECT ...
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1k views

Setting Up No-IP to talk to my site

I'm doing my head in here, was hoping someone could help me. I'm trying to setup my web server at home. It has a static ip of 192.168.1.8. I've setup IIS on Windows 7 and am hosting my site on port ...
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276 views

Port Forwarding not working

I have been trying to run the Webserver from my home machine, and have configured the modem accordingly. but still not able to make it work. I have WAMP installed, and my PC ip is 192.168.1.5, Once I ...
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1k views

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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903 views

Netgear Router Static IP

The Problem: I've recently acquired a new router; a Netgear WNDR4000. I promptly went to set up a static internal IP so I could port forward for the Minecraft Server I run on my computer. I've done ...
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147 views

Enable Port Forwarding on UTStarcom UT300R2T

This question is a reference to VPN help for Android I want to visit this page on my server http://192.168.2.53:8080/tma/majBtm/androidToDesktop Since it's a dynamic IP, the above mentioned IP ...