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1answer
13 views

Port identification

How can i check which services are listening on which ports on a server? Is there any command line tool available for this.
1
vote
0answers
17 views

rdesktop: windows server does not answer

I am trying to connect to a RDP Windows server. This configuration works fine in Windows. But not in Ubuntu. For whatever reason, when using rdesktop (or the remmina UI), the server does not respond. ...
5
votes
1answer
76 views

Accessing a LAMP webserver that's behind a Ubuntu VM acting as a firewall

I currently have two VM's set up in the following manner: /-----------------------\ /-----------------\ | Ubuntu VM | /---------------\ ...
0
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0answers
27 views

Stalled when I torrent: port closed and can't connect to server

Hi I am using a XPS 9350. I am trying to torrent. However, I encounter some issues: If I use transmission, go to Edit-> Preference -> Network -> Listening Port, if I test some random port, ...
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0answers
10 views

Forwarded ports work on my Windows 7 PC but not on Ubuntu

I have forwarded several ports on my router and when I check them with canyouseeme.org on Windows 7, the ports are open, but when I check them with Ubuntu, they are closed. Tell me if you need more ...
5
votes
4answers
41k views

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 ...
1
vote
1answer
4k views

Ubuntu Server Port 80 not reachable/closed

I am running Ubuntu server 12.04 with Apache2. My port 80 is not reachable and closed. Any idea how can I open it so I can access to my web admin? I noticed that port 80 is reachable under LAN, but ...
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votes
0answers
19 views

Workaround for ISP blocking incoming requests on port 80

I am trying to set up remote access to my server using apache. I have read numerous guides and am confident i have the redirects, port forwarding and config files correct. (I can access locally, and ...
0
votes
2answers
119 views

Bind more than 1 port over SSH?

I use SSH for managing linux servers. Sometimes I need to bind ports from the server to my client. I do this this way: sudo ssh <serverUser>@<server> -L ...
0
votes
1answer
35 views

port forwarding to docker instance for rdp

I have installed docker on my machine. On the ubuntu container I am using, I've installed all the stuff necessary to remote desktop via RDP. (like xrdp, tightvncserver, etc). Even remote-desktop from ...
1
vote
1answer
53 views

Forward port to local ip + port

On my Ubuntu 14.04 I have a service running on a local IP (192.168.33.99) and port 80. In my network, my Ubuntu computer has IP 192.168.2.3. Now I want to redirect all traffic on 192.168.2.3:8080 to ...
1
vote
0answers
15 views

Need to restart rinet manually on reboot

I redirect an internet connection through my desktop from WiFi to Ethernet for use by a Raspberry Pi. I then use rinet (manpage) to redirect one port back through the desktop so that I can access a ...
0
votes
1answer
37 views

how to connect router with system to give access to internet

I have a router with 192.168.1.1 IP. In the same way I have an Ubuntu system with 192.168.1.1 this is connected to local server which is connected to local LAN (no internet connection for this ...
1
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0answers
25 views

Determining how port forwarding is configured

Ubuntu Trusty box in AWS I have tomcat bound on port 8080 I installed apache and it automatically bound to port 80 curl http://<externalIP>:80 I see the tomcat start page(original behavior) ...
0
votes
1answer
24 views

Xampp port not working

I've got xampp installed on ubuntu. The port which I'm using is 3000. Let's say that my IP address is 123.123.123.123 When from another device I'm checking port 3000 for page 123.123.123.123 it's ...
0
votes
0answers
17 views

How to forward a port/url to a full url

Using Django and python to create PART of a website (not the whole thing) So basically I'm looking to do; 118.12.16.118:8000/text to -> site.com/text I've looked at virtual host and port forwarding, ...
1
vote
0answers
81 views

Why does remote SSH connection time out?

My server runs Ubuntu Server 14.04. When connecting over SSH from a local LAN client it works fine. When I connect using a different machine from an outside network, I get 'connection timed out'. I ...
0
votes
1answer
27 views

DNAT redirecting to specifc port is not working

I want to redirect ssh by port using DNAT, and i do try to ssh it through the command > username@IP_ADDRESS:10003 and i got this message "ssh: Could not resolve hostname IP_ADDRESS:10003: Name or ...
0
votes
1answer
41 views

Apache just working with private IP

I've just set up a new server, which is at my home, with Ubuntu in order to host some databases and a little website; I've done that many times with VPS but never with a machine in my own network. ...
1
vote
2answers
134 views

Creating a VPN without a router for gaming

I am a noob and don't have much experience in network related stuff. I am trying to Create my own VPN for gaming purpose. I keep coming across port forwarding in forums. I use ubuntu 14.04 lts and ...
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votes
1answer
36 views

I port scanned 80 and 443 and found them closed. Why can I still browse the internet?

I have been trying to figure out why I cannot SSH to my raspberry pi from my laptop outside the pi's network. I port scanned and found only port 22 open. I got stuck with that and still do not know ...
0
votes
1answer
37 views

Open port in 14.04 desktop

I am new to ubuntu and I am trying to learn how to open a port in the ubuntu. After some hours of research and failed attempts, I gave up and came here to you. I was able to change my IP through the ...
2
votes
1answer
115 views

Port forwarding between bridged interfaces

So I have a bunch of bridge interfaces bound with my main ethernet device (em1, blame HP). These serve various LXC containers I have running on my server and easily allows me to access them from other ...
5
votes
2answers
1k views

Finding URL to VirtualBox Ubuntu Apache2 server

I am new to Ubuntu and have Apache2 running in a virtual box on my machine. I am trying to access this server on my Windows machine.. I am assuming that I need to find the ipAddress and the port to ...
0
votes
2answers
140 views

cannot telnet into ubuntu from windows 7

I have a php server running on port 4444 on my Ubuntu 15.04 machine. Now when I execute telnet 127.0.0.1 4444 it works fine. Now I have connected my machine and a windows 7 machine using mobile ...
0
votes
0answers
113 views

Ubuntu Server - Squid forwarding Proxy Https

I've installed latest squid3 on Ubuntu server 14.04, my goal is to forward the entire traffic come through squid into a 3rd side proxy. Client -> Squid proxy -> External Proxy i managed to do it ...
0
votes
1answer
35 views

Port forwarding ports to two hosts

Is it possible to port forward the exact same ports to two different machines? These machines will never both be up at the same time. I tried doing this with iptables on Ubuntu 14.04. Port forwarding ...
0
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0answers
39 views

OpenVPN using port 443 with plesk

I'm having a lot of trouble trying to use OpenVpn from the port 443 I'm using Plesk, and it's giving me a hard time trying to configure stuff in it. I went to this website to try to make Ovpn listen ...
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0answers
93 views

How to connect to FTP via Winscp/Filezilla - Ubuntu server + VirtualBox - What should I add in “Port Forwarding” ?

I have an Ubuntu Server on my Virtualbox. In the virtual machine Network Settings I have it set to "NAT" and added in "Port Forwarding" the 80 port. So now when I run on my PC "localhost" or the ...
0
votes
0answers
93 views

Access device behind NAT via public IP

For past several days I am trying to set up configuration that would allow me to access an IP camera that is connected to the Ubuntu device behind NAT router. My idea is to create reverse SSH tunnel ...
0
votes
1answer
174 views

NAT port forwarding using iptable doesn't work

I have a server with Ubuntu Server and a Xubuntu virtual machine on it, virtualization software is virt-manager. Ubuntu Server IP: 172.16.63.140 Xubuntu Virtual Machine IP: 192.168.122.4 I can do ...
0
votes
1answer
37 views

Can my local host get attacked if i dont port fort forward?

Can my local host get attacked if i dont port fort forward? Im am currently running a server which for a certain app im having problems with passwords and decided that is easier if i leave them ...
0
votes
0answers
19 views

Internet web server

I'm trying to set up a web server accessible to the public. So far I have edited my /etc/network/interfaces and tried to set up port forwarding through my router (I believe it was done correctly.) I ...
0
votes
0answers
98 views

Setup gateway server for SSH over HTTPS?

I'm on host x, and I want to connect to <ommitted>.compute.amazonaws.com via host z. $ sudo nmap -sS <ommitted>.amazonaws.com Starting Nmap 6.47 ( http://nmap.org ) at 2015-10-21 17:39 ...
0
votes
0answers
32 views

Get access to host in OpenVPN network from global network

I need help with next situation. I have OpenVPN server set up on virtual machine in Azure cloud. This server have 104.208.34.118 IP adress. There are client, connected to this server, behind the NAT ...
2
votes
1answer
105 views

How can I visit external website through ssh forwarding through a single port?

I need to ssh into my work computer, and then I need to connect to an external website (hosted entirely at another company) that my work has contracted with using my work machine. This answer says I ...
5
votes
5answers
37k views

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 ...
0
votes
2answers
80 views

Ports not Forwarding to Ubuntu Server

I have set up a simple LAMP and OpenSSH server, which is operating normally. That is, from the intranet. Accessing webpages/ssh is impossible from outside of my network. I am fairly confident that I ...
1
vote
2answers
181 views

Apache 2.4 Webserver not Publicly Accessible

I am trying to setup a simple web server, and have installed a LAMP package to get started (Apache 2.4). I have a simple index.php page that provides current server stats. I am able to access it ...
5
votes
3answers
18k views

ssh -L (error: bind: Address already in use)

Pretty simple, I know that this has happened to me before. Couldn't find a good answer on AU. I was running an ssh session with ports bound: ssh -L 3000:<server_name>:22 I just lost my ...
0
votes
1answer
232 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
50 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
138 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
57 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
15k 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
171 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 ...
8
votes
3answers
30k 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
49 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
306 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
vote
0answers
136 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, ...