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Questions tagged [port-forwarding]

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 can I determine who is blocking port 25 from the internet?

I'm flummoxed. I've bought a domain name through 'freehostia.com' - and I've setup the MX records to point to my DDNS based local SMTP/POP3 server which I'm running on a Synology NAS box. I've ...
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Port forwarding with Miniupnpc [on hold]

I have Raspberry Pi on which I installed Apache Web Server (just basic installation with default homepage). I would like to access it outside of my local network. My router does not allow manual port ...
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x11 forwarding from VM hosted in a server

My setup is a little complex: I have my local machine(windows), from which I access my institutions server over SSH. From there, I can access my personal server(Ubuntu 16) over ssh. This personal ...
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Using Fritz!Box 3490 to forward external traffic to internal servers

I have a Fritz!Box 3490 along with 5 usable external IPv4 addresses provided by our ISP. The Fritz!Box is to replace our existing DrayTek 2925. One of five IP addresses is an MX; so we use that IP to ...
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LINUX Routing VPN traffic for specific port to host on local network

I am connecting my Linux L1 to VPN to get a public static IP 117.xxx.xxx.xxx . This L1 machine has only one ethernet interface eth0 with ip 192.168.1.130 and VPN is connected creating interface ppp0. ...
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How to connect two computers with same Private IP addresses but on different LAN [closed]

There are two devices in different cities and both of these have same private IP addresses. How do I get them communicated (SSH, RDP, FTP, Telnet, etc). Please explain in detail. Thank you
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Container port mapping only work once

My system info. Gentoo 64 bit Docker version 18.03.1-ce, build 9ee9f40 After I installed and started the docker service, I was able to launch the nginx container and access the welcome page. docker ...
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Unable to resolve URL locally to several devices

I have a domain name attached to a DDNS. It's pointed at my house and I have three systems that are running a web server using the default ports, and two other ports. I used to have AT&T and this ...
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Port forward from eth0 (IP camera is connected to eth0) to wlan0 in same board

I have a Cisco SG500 switch where I have connected my IP camera to eth0. I need to port forward from eth0 to wlan0 on this same board such that if I login to my board via wlan0, I should be able to ...
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Port forwarding not working, even though i have set everything correctly up (as far as i can tell)

I have tried forward porting port 8877 for my own java program. this is the rule i set up for it: I have made my local IP static. I tested the code on LAN, and it works just fine. I also had my ...
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“Bouncing” an openVPN connection through/over/across another host

One of the locations I work from/at is blocking all traffic to "commonly known" VPN services, including the VPN service I use. I would now like to "bounce" the openVPN traffic through/across/over my ...
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VNC with hops multiple machine

I want to acces a remote machine that in inside another machine. I can ssh to it but can't see any in VNC viewer. That's the configuration. external_ip port 3999 to internal_ip192 port 3999 ...
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SSH remote forwarded port doesn't accept external connection (even with `GetewayPorts yes`)

I am trying to set a reverse/remote SSH port forward, using this schema where the Apache Linux server forwards the port 80 to the SSH server. So On the SSH server I changed the configuration to ...
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Setting up a DDNS behind a DDNS Server?

TLDR; I have a working DDNS at ddns.example.com, I want to make it capable of routing requests such host1.example.com to my locally hosted machines. So, I have a public domain at let's say example....
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Forwarded port is timing out

I have hosted a website on my computer and have verified that it is accessible internally. I am using a Prima Tel Router and have set up forwarding for exposing the website publicly (Snapshot of the ...

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