Questions tagged [port-forwarding]
Questions about setting up, configuring, and maintaining port forwarding configurations. Be sure the question actually relates to Ubuntu in some way.
15
questions
146
votes
3
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How to create a restricted SSH user for port forwarding?
ændrük suggested a reverse connection for getting an easy SSH connection with someone else (for remote help). For that to work, an additional user is needed to accept the connection. This user needs ...
35
votes
4
answers
306k
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Simple port forwarding
I am in a bit of trouble as I am trying to setup a reverse proxy with and a second server. My idea was to get the firewall to forward https to the reverse proxy and port 29418 (gerrit ssh) to the ...
328
votes
7
answers
1.6m
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How to run the SSH server on a port other than 22
I have two computers behind the same router. Let's call them A and B.
A can SSH to B in the following manner: ssh usr@<internal ip of computer>
B can SSH to A by doing the same, but the ...
15
votes
2
answers
41k
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How to open a particular port in ubuntu?
My SoulSeek client Nicotine+ checks my open ports during initial configuration and promts that the one port number it needs is closed, cutting me off frmo about 50% of the users. Is there anyway I can ...
96
votes
5
answers
297k
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Redirect port 80 to 8080 and make it work on local machine
I redirected traffic for port 80 to 8080 on my machine with
sudo iptables -A PREROUTING -t nat -p tcp --dport 80 -j REDIRECT --to-ports 8080
It works fine for all the world except my own machine. I ...
58
votes
10
answers
615k
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ssh: connect to host myremotehost.com port 22: Connection refused
So I am trying to get ssh working on my server. I can connect on my local network with the local ip address of the server perfectly fine. When I try to connect remotely (through a domain name that I ...
3
votes
1
answer
17k
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Port forward in terminal only
I have an old Ubuntu server (13.04), and want to open a port for this online game server style software for a mate. I need a port open, and to tell it that port (I know how to tell the game that port)....
2
votes
3
answers
5k
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Forward Internet connection over ssh to remote computer
I'm struggling to access the internet from my remote computer.
I'd like to access the remote computer via ssh and have there the internet connection available to install packages etc.
It looks like ...
0
votes
2
answers
1k
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VirtualBox DNS Specific Port Forwarding
Here is my problem;
I have virtual-box running on Ubuntu 64 bit (17.04) and I have multiple virtual machines (all Ubuntu 64 bit).
I want to forward port 80, 25, 143 and 22 to all of the virtual ...
8
votes
2
answers
32k
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Port Forwarding to Connect to MySQL Database of VirtualBox
I have Ubuntu 10.04 as host machine and Ubuntu 10.10 as guest machine installed in VirtualBox.
I had success on port forwarding to connect to Apache of guest machine, so that now I can open in host ...
7
votes
1
answer
19k
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How Can I Open A Port On Ubuntu?
Ubuntu 13.04:
No LSB modules are available
Distributor ID: Ubuntu
Description: Ubuntu 13.04
Release: 13.04
Codename: raring
I'm attempting to open port 8888 on an Ubuntu VM that I'm ...
6
votes
1
answer
6k
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UFW OpenSSH application port change?
When using UFW I see there are "applications" like OpenSSH or Apache, to name a couple. If I were to change my SSH default port to something other than the 22, would the OpenSSH application rule map ...
5
votes
2
answers
43k
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How to connect to a certain port on SSH [duplicate]
So, I am setting up an ssh server. I have installed the ssh-server program on my server. However, I didn't want to connect to it through port 22, because reasons, so I set the server to listen through ...
4
votes
2
answers
14k
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VNC Server port is closed
I installed TigerVNC server on my Ubuntu server but I can't connect to it. The server is running but when I try to scan for open ports (in LAN) using my phone, 5901 is closed.
Output of nmap localhost:...
4
votes
1
answer
2k
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How to access a port on a remote server using SSH?
I have a service running on a certain port at the server. What I want to do is, access the server using SSH and use a local (client-side) program to access the server's port. Is that possible?