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14 views

Ubuntu on vagrant and iptables

I have an ubuntu desktop 14.04 running on a vagrant VM (virtualbox). I am trying to forward port 25 to port 2525 and I have executed the following commands: sudo sysctl net.ipv4.ip_forward=1 sudo ...
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1answer
19 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.
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0answers
57 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. ...
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0answers
39 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 ...
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1answer
79 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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1answer
52 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
61 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 ...
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0answers
16 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
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1answer
38 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 ...
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0answers
27 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) ...
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1answer
26 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 ...
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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, ...
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0answers
92 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
28 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
46 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. ...
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1answer
38 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 ...
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vote
2answers
147 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 ...
0
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1answer
38 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
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1answer
141 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 ...
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2answers
175 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 ...
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0answers
122 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
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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 ...
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0answers
42 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
111 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 ...
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0answers
103 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
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1answer
205 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 ...
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1answer
42 views

Can my local host get attacked if I don't port forward?

Can my local host get attacked if I don't port forward? I'm currently running a server which for a certain app, I'm having problems with passwords and decided that is easier if I leave them default, ...
0
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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 ...
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0answers
104 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 ...
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0answers
33 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
111 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 ...
0
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2answers
98 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 ...
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2answers
196 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 ...
0
votes
1answer
252 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
51 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 ...
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3answers
63 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 ...
0
votes
1answer
141 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 ...
2
votes
2answers
50 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
336 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 ...
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0answers
145 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, ...
0
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0answers
58 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
161 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 ...
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0answers
101 views

How to port forward to Transmission behind VPN?

I'm trying to set up the transmission web GUI to run, but I don't know how (or even if I need) to port forward from behind my VPN. I've got the port set to 9091, but that's only on my local host ...
1
vote
1answer
765 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
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2answers
529 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
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0answers
400 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 ...
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0answers
103 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 ...
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0answers
483 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 ...
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1answer
176 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 ...