2
votes
2answers
40 views

In iptables, what is the difference between targets DNAT and REDIRECT?

More specifically, is -A PREROUTING -i $INT -p $PROTO --dport $PORT -j REDIRECT --to-ports $NEWPORT equivalent to one or both of these? -A PREROUTING -i $INT -p $PROTO --dport $PORT -j DNAT ...
2
votes
1answer
252 views

SSH Setup - How will the router know my computer's ip?

I'm very new to the networking side of the house and am trying to set up SSH on my new Ubuntu machine. I have my DD-WRT router working with DDNS now and can log in to the router page -- but I'm not ...
0
votes
1answer
57 views

How to access my webserver from the host machine? [duplicate]

My host OS is Gentoo, guest OS - Fedora. I have a web server on Fedora on port 8686 and it works perfectly on guest OS, but I can't access it on my host OS. I tried to use bridged network (then I got ...
2
votes
2answers
408 views

Redirect requests to my external IP/port to an internal IP/port?

I have a dedicated server running KVM virtualization with n public IP addresses dedicated to n-1 web-facing virtual machines. Now I'd like to set up some web-facing VM's that don't have a dedicated ...
0
votes
2answers
163 views

Route add gw: how to

I'm in a network with IP 10.0.1.X (pc A). There's another sub-network: 10.0.3.0 I can ping pc B connected to this network: ping 10.0.3.X ---> OK Now, B is connected also in wifi to a network ...
1
vote
0answers
64 views

setting up a local VoIP to use as a Wifi Headset

I had this idea of using Wi-fi in a vehicle to connect my cell to the car call handler.Just as it works with bluetooth nowadays. Just to demonstrate that such a thing is possible , i had three Linux ...
1
vote
2answers
840 views

I am trying to open port 19132 on my Ubuntu server, but not working

I am trying to set up a server for my son to play Pocketmine. This is a PHP server and it is running on port 19132. I have opened this port on my router and if I run another server, like a Rails ...
0
votes
2answers
135 views

Mirror localhost:3280/some/long/url to localhost:3000

I have a webservice running on localhost 3280 that exposes Elasticsearch server under /some/long/url. I would like to access Elasticsearch from localhost's port 3000. Can I do this with ...
0
votes
1answer
76 views

Is there any tools which can be used to make ports available from any firewall network?

I have been testing my application which has TCP/UDP ports for peer to peer with the help of server signalling commands for making communication, that works when I have Public IP or Lan IP and not ...
3
votes
1answer
298 views

Tunnel AFP over SSH over Internet

I can't seem to figure out how to connect to AFP over SSH. Here is my setup: [Raspberry Pi] <---> [router] <---> (Internet) <---> [Client] I'd like to be able to connect to my ...
2
votes
1answer
490 views

redirect web server with no-ip and port forwarding in livebox

I want my Apache web server running on a Livebox (home router appliance running Linux) to be accessible from the Internet (WAN). I installed and configured the application noip2 on my Ubuntu PC. ...
1
vote
2answers
777 views

SSH into Ubuntu VM remotely

I don't have much Linux or networking experience, but I'm trying to SSH into an Ubuntu virtual machine from outside of my home network. The Ubuntu virtual machine (running inside VirtualBox) is ...
2
votes
1answer
2k views

Testing if a port was forwarded correctly in Ubuntu

I have a Ubuntu box connected to a wifi router. This wifi router is connected to a d-link adsl modem/router. I am preparing this Ubuntu box to run a server that will use some special ports in UDP and ...
3
votes
3answers
1k views

Simple way to create a tunnel from one local port to another?

I have a development server, which is only accessible from 127.0.0.1:8000, not 192.168.1.x:8000. As a quick hack, is there a way to set up something to listen on another port (say, 8001) so that from ...