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0
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1answer
318 views

iptables set-mark doesn't work

My machine has two network interfaces, one is wired (eth0) and the other one is wireless (wlan0). The wired one cannot connect to any external NTP server because there is a firewall outside. The ...
0
votes
1answer
53 views

OpenSSH Port Forwarding Remotely

I have the ff: setup Server : Ubuntu 14.04 (192.168.1.102) openssh server & client installed Router : Lynksys E1000 Port forwarded added ( ssh - 20-80 both 192.168.1.102 ) Now in another unit ...
0
votes
1answer
156 views

Why can I ssh into my server after I physically restart it, but not after I reboot via ssh?

I have a computer in my living room that I built myself to use as an ssh server to run various programs on as a fun project. I put Ubuntu Server 14.04 on there, and then used Google to figure out how ...
0
votes
3answers
65 views

Port Forwarding from domain1.com:25565 to 40000 and from domain2.com:25565 to 30000

I have a Server running on port 30.000 and port 40.000 and if someone acess domain1.com:25565 he should connect to the local port 40.000 and if he connects over domain2.com:25565 he should connect ...
3
votes
1answer
16k views

How to know actives ssh port forwarding

I have configured in ~/.ssh/config many port forwarding for VNC with different port for each servers. Is there a command which can help me to know which port is forwarding to when I open an SSH ...
1
vote
1answer
199 views

How to stop the local port forwarding?

I was trying local port forwarding and I hit the following command: ssh -L 8080:www.ubuntuforums.org:80 <host> in order to see what will happen. Now, on my computer, when I hit "http://...
9
votes
3answers
36k views

How to SSH 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 ...
2
votes
2answers
55 views

One port over wifi, other use lan

I Am working in a place where my imap for e-mail (using thunderbird) is only open over wifi. The rest will mostly work only over wired (and is quicker anyway). So what is the best option to use my ...
0
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0answers
398 views

Port Forwarding with Virt Manager

I am running a Xen hypervisor on top of Ubuntu 14.04 desktop. One of my Xen connections is to a Windows 8 VM hosted on the local machine. I connect to the VM with Virt Manager. I would like to be ...
1
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0answers
181 views

Port Forward Flask Server in local network

I have a Flask app from flask import Flask app = Flask(__name__) @app.route('/') def index(): return 'Hello, world!' if __name__ == '__main__': app.run(host='0.0.0.0', port=7777, debug=...
0
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0answers
64 views

Port forwarding issue

i have successfully opened port 3306 for remote access to MySQL. i am trying to open another port (54321) to allow remote tcp/socket communication with a program. if used these commands: ufw allow ...
0
votes
1answer
223 views

How do I get my devices connected on port 8000 for SimpleHTTPServer

I'm following along with the book How Linux Works, and am trying to get the Python SimpleHTTPServer to work on its default port. I can access my home folder on the local host, but any other computer ...
0
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2answers
9k views

Change default port for remote desktop sharing 12.04 LTS

Basically I want to be able to access different computers remotely (all on Ubuntu 12.04 LTS) that are on the same wireless network. I've gotten this to work for one computer by forwarding port 5900 on ...
1
vote
1answer
946 views

Port forwarding to local server

I want to be able to access a server which is running on my local machine via the Internet. I setup port forwarding on my router: Public Port Range: 80-80 Target IP Address: 192.168.0.4 Target Port ...
1
vote
2answers
590 views

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 ...
1
vote
0answers
436 views

Why can't I connect to my localhost port from a remote computer?

I'm using link-grammar server to convert sentences into semantic graphs. It provides an API though a port to do the above process. It's configured to works through port 9000 of localhost. I used to ...
1
vote
0answers
117 views

SSH outside the local network

I have Ubuntu 14.04 LTS installed on a Toshiba Satellite L655. I've recently installed an SSH server on the machine and it works fine when connecting to it using 192.168.1.3 but when I try that using ...
1
vote
0answers
554 views

how to open a port under Ipv4 instead of Ipv6

How I can open a port under Ipv4 instead of Ipv6 on ubuntu tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN - tcp 0 0 127.0.1.1:53 0.0....
9
votes
2answers
10k views

Port forward to a port on the same machine

I used to run a service on port 25570 I'm now changing it to run on port 25565 but I still want people who try to access it on the old port to have access to the service. So I'd like to forward port ...
1
vote
3answers
329 views

My website is accessible on my home network but nobody else can access it on the internet

this is my first server I've set up so bare with me if I lack any important details. I have set up my ubuntu server and have my site working on my home network, I am able to see my website on all ...
1
vote
1answer
367 views

Having issues creating a SOCKS5 Proxy. Can not Tunnel device

I have a desktop machine in my home which ive turned into a Ubuntu (desktop 14 LTS) SSH server using OPENssh. I can SSH into my machine locally using public key authentication (&Putty from my win8....
0
votes
2answers
1k views

Ubuntu Server 12.0.4 VSFTPD connection timeout using external IP

I am having a problem connecting to my Ubuntu 12.0.4 server with vsftpd using my external IP. Connecting using the local IP is successful. I am using FileZilla for the ftp client. I know there is a ...
4
votes
2answers
2k views

Forward port to LXC guest using UFW

I am trying to forward port 2222 on my host 192.168.2.252 to a LXC guest on 10.0.3.11. How do I do it using the UFW-framework? In other words I want to do this but with the ufw-framework. iptables -...
0
votes
1answer
1k views

Can't access Plex from outside my network

My firewall is configured to port forward traffic to 32400. When I log into mydomain.com:32400/web I am taken to my account and I can see my Plex server in the left pane. However I get the error: We'...
3
votes
1answer
906 views

Create multiple aliases for localhost addresses on different ports

I have some webapps running on my localhost that I can access by my web browser at different ports. For example I have an IPython notebook server running on port 8888 (I can access it at http://...
1
vote
1answer
802 views

Vagrant running on port 80

I used to have my Vagrant running on a Windows machine, SSH listening to port 2222 (host: 2222, guest: 22, by default) and I used to forward port 80 to port 80 (host: 80, guest: 80, so i was able just ...
0
votes
2answers
489 views

Orange livebox and ubuntu port forwarding

I installed a LAMP server in my computer to try some php and html scripts and I want to know if I can make those files public so I can see them from other computer with other internet conection. My ...
0
votes
1answer
125 views

How to perform detail packet capture on Ubuntu firewall?

I've routed internet traffic of my other systems on this ubuntu linux system where I have configured packet forwarding. but still I am unable to get internet on other systems. Hence I want to ...
0
votes
2answers
671 views

Cannot SSH into Ubuntu14.04 Server Remotely

So I am able to SSH onto the server when connected to the same network, but I need to enable remote connection. When I enter ssh -v user@serverIP, I get the output: OpenSSH_5.6p1, OpenSSL 0.9.8y 5 ...
0
votes
1answer
822 views

openvpn TLS Error: TLS handshake failed

TLS Error: TLS handshake failed What ports need to be open for OpenVPN to work? Server configuration: server port 1194 proto udp server-bridge 192.168.1.104 255.255.255.0 192.168.1.160 192....
2
votes
0answers
662 views

Port redirection for a specific (dynamic) IP using iptables script

What I want: Incoming TCP and UDP connections on port 900 from the resolving IP address of myip.dyndns.org (dynamic IP) should redirect to port 5050 on the local machine. All other IP addresses ...
1
vote
1answer
217 views

How can I open ports?

I want to open a port, specifically port 32887 for TCP, used for Ace of Spades (buildnshoot) game. I created a server (I can access it from 127.0.0.1) but my friends can't join me. It looks like a ...
1
vote
2answers
3k views

Alternative for Xshell.

Do anyone knows an alternative for xshell? I have checked and the alternatives mentioned are putty, openssh etc. But I require it mainly for port forwarding and for that xshell works perfectly. Is ...
1
vote
0answers
235 views

Linux Web Server Dosen't always allow external connections

I have been having this problem with where it will allow external connections for about 30 minutes but then doesn't allow any? I have port forwarded and all that. I turned it on last night and I ...
1
vote
0answers
480 views

How to create a static wifi with hostapd UBUNTU 14.04?

I am trying to connect my android phone with wifi ubuntu. Things I have tried: 1) ap-hotspot -> , phone stuck in obtaining ip address, then avoided due to poor internet 2) manually configured ...
0
votes
2answers
954 views

Port forwarding through shared internet connection

I have shared my internet connection via Ethernet with another computer, using the shared option under Ethernet in Network settings. I believe this is working but I can't know for sure as I am unable ...
1
vote
1answer
1k views

I can't get my ubuntu server VirtualBox guest with bridged adapter seen outside of my lan, although port forwarded to 80

I have installed Ubuntu Server 14.04.1 on VirtualBox. With LAMP all configured. The box has static ip 192.168.1.104 and bridged to my host's Wireless adapter. I can successfully access Apache's index ...
0
votes
1answer
126 views

how to open port to the world

I have installed postgresql (or any other service for that matter) on ubuntu 14.04.1.LTS I can start postgres and it is running. It accepts connections on port 5432. This is my netstat output: tcp ...
51
votes
2answers
67k views

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 ...
0
votes
1answer
1k views

localhost:4567 url gets redirected to port 80 [closed]

I am working with vagrant machines, and everything worked fine until I run this command: vagrant destroy -f && vagrant up I expect that if I go into the browser and I type http://localhost:...
1
vote
1answer
4k views

IP/PORT forward requests to another server

I have the following listening PORT:IP set up on my UBuntu server. 12.345.67.890:3636 It receives requests perfectly, however, I would now like to forward any requests to that IP:PORT to another IP:...
0
votes
1answer
480 views

How can I SSH to remote server through VPN, running on a VM?

I have an Ubuntu VM that is connected to a VPN (using OpenConnect on Ubuntu), and I want to SSH from my OS X host to the VPN through Ubuntu: (osx_host) --ssh--> (ubuntu_vm) --ssh--> (...
14
votes
2answers
35k views

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 ...
0
votes
1answer
930 views

Ubuntu 14.04 denying incoming access

I just install a Counter-Strike: Source Dedicated Server on my Ubuntu 14.04 Desktop amd64 and I'm having trouble to allow incoming access to this server from the internet. I did a port forwarding on ...
1
vote
0answers
328 views

Port forwarding out multiple VLAN interfaces that have same IP address

So I have an Ubuntu machine with multiple VLAN on an interface eth1 and each VLAN has the same IP address (172.16.0.2). I need to be able to simultaneously telnet into a rack of devices that are also ...
1
vote
1answer
2k views

Dnat prerouting does not work on Ubuntu 14.04

I've got a Ubuntu 14.04 server used as firewall, router, dhcp, dns and proxy. Everything works properly from inside to the internet, but the forwarding from outside to the inside network doesn't work. ...
0
votes
2answers
2k views

forward port 80 for multiple IP addresses on the same Ubuntu server

I am using an Ubuntu 12.10 server as a router/NAT for an internal network to the internet. I have also configured the server to forward port 80 to a server sitting on my internal network. This all ...
1
vote
1answer
756 views

Redirect requests to my external IP/port to a 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 ...
3
votes
3answers
4k views

SSH from external network refused

I've installed open-ssh-server on my home computer(running Lubuntu 12.04.1) in order to connect to it from school. This is how I've set up the sshd_config file: # Package generated configuration file ...
3
votes
2answers
2k views

One IP address, Two Websites, on Two Machines - Need details

This question has already been posted by another user but a detailed answer was not given.. Here is the link to the original question - One IP address, Two Websites, on Two Machines I have two ...