Ubuntu Networking :: Unable To Connect To Port / Enable This?
Mar 22, 2011
I have setup an OpenVPN server on my server box, it had been working perfectly until today. It operates on port 1194 which I am now unable to connect to (tried telnet). I have checked all the firewall rules and they still allow the port and I have also checked to ensure that OpenVPN is still listening to the port, which it's not but I have tried restarting the service and the box which dosent make any difference. The only thing that has changed is that yesterday I installed Openfire, could this have broken something?
I'm trying to establish a connection to my ISP which uses PPTP protocol and a VPN server. The deivce I got from my ISP is a modem, not a router. The problem is my computer is unable to communicate with the ISP VPN server.
P.S Here are the instructions for Windows XP which work: http://portal.bnet.hr/ZG/windows-xp.htm
I have dual boot system and on windows I am able to connect to wireless but on Ubuntu I am not able to connect to wireless.
I desire to learn to trouble shoot the problem my self hence I would appreciate if some one guides me How to look for the problem. and how to find what is wrong and right
That is why I am not posting any output here but rather would like to learn to solve the problem by myself
I reported recently that I have a problem connecting to a Windows network, and someone suggested upgrading to Ubuntu 10.4 I have done, and still have the problem.
The error message I get is: "Unable to mount location. Failed to retrieve share list from server".
I recently installed Ubuntu 9.10 on my Dell Inspiron 1545 64-bit laptop. Before that I used Windows7. In Windows, the internet connection worked perfectly well. But after installing Ubuntu, I am unable to connect to the internet. The network-manager applet finally says that "You are disconnected". When I do the "ifconfig", I got no IP address.
So, I installed Ubuntu 9.04 in the same system. But the problem persists.
I gone through many posts in this forum but nothing was useful.
I'm running ubuntu 9.10 on my desktop.Wireless networks appear on the dropdown menu but when I try to connect to my home network the authentication box appears, after typing my password the box disappears and it continues to connect but nothing happens and after a while the authentication box appears again. So.. no internetz connected.
I have this very weird problem: I'm not able to SSH to 1 specific server on the web. I can access everything, but not that specific server.
When I try to SSH, I get this code...
When I reboot to Windows, I can SSH using Cygwin. I'm using Ubuntu 10.04 Lucid and OpenSSH client 1:5.3p1-3ubuntu6. I tried sniffing the network with Wireshark, but I cannot understand why the TCP connection cannot be set up. I'm sure it's an Ubuntu problem as I'm able to connect to that server on the same machine, but different OS.
I have 2 server behind the netgear router on my network . win2k3 and CentOS development server, I have port forarded 80 to win2k3 server which i can access over the internet and is accessable. However I can SSH CentOS machine and portforwarded 8080 and 82 for web access, I can't access via any of the port, browsers says UNABLE TO CONNECT.. there is no firewall in CentOS machine.
I'm trying to connect with my server via telnet, but when i sent the command (telnet xxx.xxx.xxx.xxx Port) doesn't works and shows then follow error: Unable to connect to remote host: Connection refused, It happens with any port. Is strange but my telnet services works (telnet xxx.xxx.xxx.xxx), In addition, i tried with firewall enabled and disabled and the problem still happens. My centOS run on virtualbox.
I am running Ubuntu Server 10.04.01. When I try to start the MySQL service with Code: sudo start mysql , I get this error:
Code: start: Unable to connect to system bus: Failed to connect to socket /var/run/dbus/system_bus_socket: No such file or directory What could I do to fix it?
i cannot connect to the web with the above services. Even when it says "connection established" it still would not work. there is always a lock next to the server name.
My config : Dell PowerEdge 2900III 16Gb RAM 2 arrays RAID1 (2*(2*500Gb)) CentOS5.5 VMWare 2.0.2 (with workaround of downgrade glibc to CentOS5.3)
Since the upgrade from CentOS5.4 to CentOS5.5, it seems the sshd is crashing every other day.I can access to the VMWare webserver, but no way to connect through ssh port 22.The only "workaround" is a hard reboot of the server, and with luck, I can access to the server through ssh.I checked /var/log/secure, it looks like time to time when the server start, it does not start the sshd service, there is no entry at all for the time the server started up. For instance today, the server has been started early this morning, but the first entry was found after a hard reboot this evening : Jun 3 18:19:14 hercules sshd[3617]: Server listening on 0.0.0.0 port 22.
Right now I have a machine set up running Fedora. I have configured inittab to accept Console Logins, but I am having problems getting my netbook running PuTTY to connect. How would I go about finding the Host Name and Port to connect to?
Well I have been searching for more than a month now and I think I have read every single post related to this subject and finally decided to make a thread.
Now before I begin I am running Openvpn on my CentOS VPS. I have set static IP's for everyone.
Now what I am looking for is this lets say one of my clients wants port 60005 forwarded through my VPS to the internet what are the correct commands to run.
server-ip:60005 to loacl-ip:60005 Sever IP 24.xx.xx.xx Client IP 192.168.1.2
I'm trying to enable port forwarding so I can use my computer as an FTP server to some friends. Here's my setup:
CLEAR wireless modem <--> LAN port 4 on router (not WAN) and LAN port 1 on router <---> eth0 in Ubuntu 9.10
The modem acts as a DHCP server which successfully assigns an IP address to my desktop system. I can also go onto the internet just fine on my desktop, and any other computer that connects to the router.
I have enabled port forwarding on the modem (not the router because it's being used as a switch, and not using its WAN port) to forward ports 21 and 80 to my desktop. What I don't understand, though, is that when I try to FTP to the modem's WAN IP address, the connection is refused. However, when I use websites such as:
They say ports 21 and 80 are open (and not other random ports like 22 or 23 which I tried to see if the site simply said everything was open) but I cannot access my site from a web browser.
I was wondering what it was that's stopping computers from the Internet from communicating with my computer? The modem? The router? Configs?
I recently installed Deluge 1.2.0 from the following PPA:[URL]I using this on two different Linux computers. One is running Linux Mint 8 and the other is running Ubuntu Netbook Remix 9.10. The first time on either computer when I enable WebUI in the Deluge GUI it works fine. However if I ever disable it in plugins section I am subsequently unable to re-enable it (doesn't appear in the side panel again). Rebooting or reinstalling Deluge seems to have no effect.Is this a bug or am I doing something wrong?
I don't know if i should of put this in either Networking or Dell Forum. But here goes. I have a Dell Studio 1535 Laptop, and i have downloaded the new ubuntu 10.04
The problem is, is that i cannot get a internet connection. On my laptop there is a wifi sign that lights up if it works, and it didnt when i booted it. So i thought i have the driver downloaded and i tried to install it and it installed but after it crashes, so that failed. And then i tried via Ethernet and it does not connect when i connect it to the router!. It just says disconnected everytime .
I have tried to reboot, just incase it was a bad boot or something, and i stil get the same. It just will not connect to the internet
my wireless just stopped working. the network manager in my panel no longer allows me to enable wireless. the option to enable wireless is there, but it is grayed out and will not let me connect. i reinstalled my wifi driver but it didnt change anything. iwconfig shows that the card is working why is the network manager not?
I'm running Ubuntu in VMWare for a side project. I noticed when I boot up, it doesn't let me access anything externally. I have to disable network manager and re-enable it. Once done, I can hit everything fine. I'm using a static IP in network manager.
I would like to connect my pc to the TV but the vga cable is not compatible with my analog Tv.The pc that i'm using is equipped with everything, except it hasn't got an agp port for my TV-OUT video card.I have a second motherboard with cpu(+power source) on it, but it's too slow so i don't want to use it.So! My idea is to connect the pc to the second motherboard, and use the second motherboard just for the agp and the TV-out video card.(i really don't have no money for signal converters and new video cards at all)
How do I get mysql 3306 port to be seen on my network?
Here is my setup: ---Desttop - WIndows Vista Ultimate (192.168.0.101) --------VBox ------------Guest - Ubuntu 9.10 (Joomla CMS Development) (192.168.56.106) ---Server - Ubuntu 9.10 (192.168.0.100) --------VBox ------------Guest - Ubuntu 9.10 (Joomla Production) (192.168.56.104) ------------Guest - Ubuntu 9.10 (MySql Database) (192.168.56.105)
I can ping all OS from any OS, I can connect to a shares, I can connect to the web server. I can do a netscan and display the open ports and the services for those ports except for MySql. How do get MySql to showup, so I can connect to it from my Joomla CMS? I came from openSuse and I like how they have modules to do this automatically. What do I use with Ubuntu to get the same results?
I can't seem to establish a conncction to my site (that I'm hosting in the same computer as the gFTP client- running Lucid Lynx desktop as a server). My site is 'out there', with a domain etc. and also I work on it with localhost. I wanted to use ftp as Joomla has a 'ftp layer' for files permissions etc. But it keeps saying that I can't connect, or the connection 'was reset by a peer' whatever that means. For 'hostname' I use site.com (site is my site's name) and even tried the whole thing like http://www.site.com (I clicke on 'connect to remote, and enter that in the url). or just put it where 'host' goes (when I'm not using localhost) For user name and pass, I just enter what I usually put to access the administrator's back panel in joomla, but maybe I am supposed to use what I use to log on to ubuntu when I start my computer? note sure. Anyway I used a telnet command in the terminal and found that port 21 was blocked. MY isp says they don't block any ports so I don't know. I was able to do this last year so I don't know what is so hard about this lol In the router, I have 'ftp 21 to 21 and ip address 192.168.1.100 (ip is the same for http which is working as I have my site up) now it seems to be open as I used a command at the terminal (found from google). It's open but my ftp still can't connect to my server either localhost or to my site. there is no firewall blocking it and I think my router is set right.
Wow, don't know why I seem to have so much trouble with this ftp stuff. I have so start all over a few times, reinstalling Lucid Lynx destop all over, and adding the needed files to make it a server. I am just trying to do something simple for now- just having a localhost server environment to develop my joomla website, and later on host it from my server 'out there' (I already have a domain name and dynDNS service with nameservers etc. but don't want to do that yet, as I have in the past with my router forwarding port 80, and actually got hacked! so I don't want to do that again until I learn more about security) My problem right now is that I can't even get the localhost ftp to 'connect to the server'. i know the host name (localhost) and username/password that I set when I set up Lucid Lynx, and I'm sure that is what I use for the ftp usernamepassword, host etc. And I put port 21 for the port. I see from 'Shields Up' that my port 21 is closed. So I followed advice on a thread and entered a few commands in the terminal to ad iptables etc. But still, port 21 is closed and I can't install components with the Joomla installer in admin's backend. And I can't use fireftp to even change permissions in my local folders. What do i do next, open port 21 somehow? I saw a terminal command about opening port 21 that was simple but I forget it.
