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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How to connect my VNC server without opening the port 5901?

I have installed and configured VNC server on Amazon EC2 instance. But the port 5901 is not opened in my security group. Is there any way to connect my VNC server from Windows without opening the port ...
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1answer
44 views

How single external ip can route to mutiple servers behind the router? [duplicate]

Lets not talk on the of scale of big data center. Keep it simple. Every users gets an internet connection from an ISP. And if i want to run a web server. I usually forward the packets from my router ...
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2answers
39 views

Some doubts about port forwarding and packets

I am trying to open a port in my Linux machine but I am having some trouble. I looked up some information about port forwarding and I found this What is port forwarding and what is it used for? and ...
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23 views

Forward app through SSH

I would like to forward app from one server to another through SSH. Let me explain. I have two servers, one with root privileges, full firewall/iptables/ports/apps/etc. control but it's private. On ...
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73 views

Port 80 forward on home router

I have a generic Linux home router. I can change iptables on it by telnet to console. Currently, it is set up to forward all incoming connections to machine on my internal network, using something ...
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2k views

SSH error: “Connect to host: Bad file number”

When on my local network, I can SSH into my desktop just fine by connecting to 192.168.0.5. However, When attempting to connect to my home IP, using the same port and user, I get the infamous "Bad ...
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69 views

How to forward ports to see router 3 and device there

Hello. Please see the image i attached. Now. DSL router tplink is the main router that gives me internet. I added another wifi router that gives people free wifi with ssid: publicwifi. This wifi ...
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67 views

How to setup a routing for NAT internal clients to connect to a internal hosts through external address and forwarded ports in CentOS7

I've setup an NAT environment using a CentOS7 with two NIC. And I setup a service in internal host and use firewall-cmd to setup a port forwarding rule. Everything works fine outside of the ...
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1k views

Port is open, but can't access it via external IP address

I have RavenDB running on localhost:8080. I would like to make it externally accessible, just as a test (ignore security concerns for now). To do so, I configured my router to forward external port ...
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198 views

myPlex with a VPN that supports port forwarding

I'm using OS X, Viscosity and AirVPN. AirVPN supports port forwarding and I can successfully port forward with uTorrent and some other apps ... so in theory this should work: Go to AirVPN, get a ...
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156 views

Connect two devices with the same static IP addresses to a network

I have a problem where I have two individuals of a device with a fixed IP address that I cannot change and I want to connect them both to my network. If I had only had 1 device, I could use port ...
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76 views

Forward an ip:port to a hamachi ip:port (for samba protocol)

I have a subnet at home, 192.168.2.x, where my NAS is connected. It has a static ip of 192.168.2.100. I usually connect to it directly using Kodi and the uri smb://192.168.2.100/etc/etc. (if you don't ...
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63 views

Is it possible to port forwarding to my web server if my router is using a private ip?

I have HTTP server on my LAN and I want devices on the internet to be able to connect to my server.I set up my router to forward all the traffic that is coming to port 8080 to the http server.However ...
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2answers
215 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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70 views

VirtualBox 5.0.6, unable to start single VM after network configuration

I've installed VirtualBox 5.0.6 on Windows 10 64bit, and configured and installed a guest VM with Debian Jessi. Everything works fine at this point. Then I configured two port forwarding rules: port ...
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274 views

Web server router forwarding: port 80 closed - Linux Mint

I am new to web development. I have an Apache server on linux mint 17.2 that I can access locally. Now, I want to access the server from outside my network. I configure the router (TP-LINK WR340G) ...
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1answer
33 views

Why my computer port is still closed

I am trying to open a port. First, I tried to open the port in the Windows 8.1 Firewall Settings but didn't succeed. Then I disabled the Windows Firewall altogether. But, even after disabling it, my ...
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314 views

VirtualBox Host-only adapter port forwarding

I have a virtual Ubuntu on real Windows machine, where VirtualBox is a hypervisor. Virtual machine network is connected to host using Host-only adapter. Thing is - I can't change it for various ...
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98 views

Home network port forwarding nightmare

Alright, this has been working somehow as it is till now, but lately I started getting issues. The setup is: a cable (internet) Linksys E4200 router a bunch of hardware (TV, unmanaged switches, ...
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138 views

Cannot change modem config Thomson TG789vn

I have a Thomson TG789vn modem and a Archer c5 router. Now, I want to set my modem to bridge mode, so I watched a tutorial for that exact modem and it says I should click 'Setup my Thomson Router', ...
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55 views

All ports are closed, even though I forwarded them on both my modem and router

I wanted to open a certain port, but it didn't work. I portforwarded it on my Archer c5 router and on my Thomson TG789vn, but ping.eu still says it's closed... I did a port scan with nmap and it ...
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41 views

VirtualBox NAT transfer and multi-port forward

I need to copy a virtual machine to another computer. It is a NAT network setup and It has several IP address port forwards. Is there a way to either transfer a configuration file for the NAT setup or ...
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48 views

How to port forward?

I want to make a few servers (mostly Minecraft) to play with my friends without using Hamachi or Tunngle and i found out about port forwarding. I've tried a couple of tutorials online but didn't seem ...
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122 views

Port forwarding on Airport Express

I want to be able to access files on my new Raspberry Pi remotely. So I enabled sftp, but I cannot manage to access it remotely. Here are the details of the setup: I can access sftp on the Pi from ...
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76 views

forward subdomain to specific server

I am trying to forward remote desktop traffic to a particular computer inside a network. Is there a way to point or forward a sub domain to a specific computer inside a network? For example if I have ...
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port forwarding and copy back to local machine

I am typically logging in on a network via ssh and then to yet another computer again via ssh to my final destination computer. For instance a home server, and once there to one of my family's ...
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1answer
79 views

Conflicting Port Forwarding results

Ook so weird situation. I'm trying to run a server socket in a python program (bit of code don't worry about it). For it to work I need to forward a port for the server to run on. I've forwarded the ...
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59 views

(VNC) port opening issue on windows 7

I want to be able to access my pc with VNC from a remote location. Because my pc is behind a router (TP-Link WR841N) with NAT enabled, I've forwarded the the required port (5900) to my pc's local ...
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514 views

Can't Telnet to remote host - but can telnet locally (Ports 110,143,993,995)

I've been attempting to set up a Mail Server Via PostFix and DoveCot on ubuntu 14.04 for too long now and I'm on the home stretch of having it working. I'm running a virtual machine with ubuntu, I ...
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1answer
66 views

Windows port forwarding, local machine to server

I'm working on Windows 8. I'm trying to connect to an OpenStack cloud which is hosted on a remote server but has a public IP to the API. However, making API calls require calls to additional services ...
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1answer
81 views

CCTV require port forwarding for remote access - will this create a hacking risk?

I am thinking of installing a CCTV camera on my house. If I wish to view remotely I have to configure port forwarding on my router (BT Hub). The router handles the normal stuff - couple of ...
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16 views

Port Forwarding my apache server

I am trying port forwarding on my router, model: SAGEMCOM F@st3814 (couldn't find it in portforward.com). I have followed the general instructions and in the screenshot below I am trying to set it ...
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14 views

iDRAC 5 on home network?

So I bought a second hand Dell Poweredge 1950 R3 and I bought it with a iDRAC 5 interface card. I am going to use it for college this year and use it as a vSphere host as my college course requires a ...
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33 views

Port Forwarding stopped working with new wireless adapter

After my last question I ended up having to purchase a USB wireless adapter (Netgear A6210). However, now my port forwarding does not work. I've checked the ipconfig result and have ensured many ...
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18 views

How to properly setup a Wi-Fi extender to be able to access it later

My internet setup at home consits of a normal Thomson (TG789vn) router and a new AP/repeater. Now I managed to connect it using the bridge (and later repeater) mode, but I can't access or find the ...
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89 views

Can't open port 8443 on WiFi Router Huawei WS 330

When I try to open port 8443, it doesn't save the port configuration. However, all other ports on my router can be opened easily.
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226 views

What ports do I have to open for SMB sharing?

So I have a relatively simple Setup for a 5-people Company I am currently working on. This Setup includes: 1 Server 1 Router 3+ "Clients" I want to open a Windows Network share on the Server, to ...
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159 views

Port forwarding works locally over LAN IP but not over the router WAN IP from another building

I have a commercial setup where everything is on the the same xxx.xxx.xx.1-255 network. I have a D-link router (DIR-615) that is on this network in another building with the router IP as ...
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83 views

Issues getting VPNBook VPN and Soulseek to work together

So I set up a free PPTP VPN using VPNBook and I’m behind a router, and I opened ports thru 1 to 2000, and it works fine in my browser, but I can’t get Soulseek to work right. See there’s a thing this ...
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Port Forwarding with OpenVPN active on DD-WRT

At home, I have two networks, my home network, then a second network separated by a DD-WRT router, which I call my homework network. This homework network can be treated as a separate network to my ...
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520 views

SSH host: Could not resolve hostname

I am trying to do SSH localforward port setting in VI config file, so that I can connect Hive server to do some R programming. Steps followed: In shell, I configured below in VI config file: ...
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6answers
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How to send a tcp packet to a device inside WLAN with a local IP from an external network?

I have to send a command from the internet to a device in a WLAN, which is listening to the port 9999. The device itself is only assigned local IP. I also have n (2-100+) number of devices with the ...
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1answer
72 views

NAT port forwarding of the same service run on multiple hosts?

Is port forwarding of the same service running on distinct hosts behind a NAT, on the same port possible? For example, if there are two hosts 192.2.0.2 and 192.2.0.3 using the gateway(NAT) 192.2.0.1 ...
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47 views

Giving a local machine an external static IP ( can be just forwarded ports)

I've planned to make one of my home machines to be a mail server I can receive mail from other people on. I have a domain name for it, and I know I need a machine with a static external IP so I have a ...
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1answer
73 views

Port forwarding with SonicWALL doesn’t seem to work as expected

I have an AT&T modem that does passthrough to my SonicWALL TZ105. However, I still have devices connected to the AT&T modem (therefore they have an address from the AT&T DHCP server). I’m ...
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199 views

ZyXel P8702N portforwarding not working

I've recently moved to a new location and because of that I now have a new router. I have tried portforwarding before and everything has worked, since I have gotten this new router, I have not been ...
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175 views

Port Forwarding Xbox Live on SonicWALL

I just bought a TZ105 to get more familiar with SonicWALL products. I have an Xbox One and am I trying to port forward (get a Moderate or Open NAT). Services in "Xbox Live" Service Group HTTP ...
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101 views

Can't connect to ssh server by global IP address when not on the server's Wi-Fi network

When on the same network it works fine with either the global or local IP address being used. I am forwarding port 22 like this: IP Address Start Port End Port IP Address Start Port End Port ...
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2answers
121 views

Port forwarding issue (I think)

I made a very basic KryoNet server and client program. If I connect the client through localhost it works as expected. Now I want to connect to it from outside so I have setup a DNS for myself with ...
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88 views

Make RDP & VNC work within home LAN network?

I just need to open up posts/ forwards/ triggers on both Routers, not sure exactly HOW: RDP: 3389 VNC: 5900 I've already tried a few googled tutorials. It's not working. The machines can access ...