Ubuntu Servers :: Getting Server Machine To Connect To A VPN Providing A Secure Connection
Jun 24, 2010
I currently run Win 7 and want to upgrade my computer to a server to accomplish the following... I have a VPN Service. I want the server machine to connect to a VPN providing a secure connection. Then, I want all the machines in the house (windows based) to connect through the server onto the VPN connection. Hopefully this makes sense. Would it be better to stick to Windows Server 2008 or switch to Ubuntu?
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Feb 10, 2011
I am running an Ubuntu Server on a VirtualBox VM running on my windows machine. So I've created a self-signed certificate using the following tutorial: [URL]
From this tutorial I'm left with 3 files:
server.key
server.csr
server.crt
Then I found this very similar tutorial that has an extra bit on installing the certificates in apache: [URL] So I followed it's instructions which boil down to this:
[Code]...
So I'm thinking this should work now. However in Chrome I get: SSL connection error Unable to make a secure connection to the server. This may be a problem with the server, or it may be requiring a client authentication certificate that you don't have. Error 107 (net::ERR_SSL_PROTOCOL_ERROR): SSL protocol error. IE8 gives me a typical "Internet Explorer cannot display the webpage" Note that [URL] fails while [URL] works fine, so it's definitely something in my ssl setup I'm thinking.
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Apr 30, 2010
My school are cutting costs.I suggested they go open source.They said if I could find out how then they would consider it.Basically they want a mixture of windows and ubuntu clients.What I would like to no is how a ubuntu machine can connect to a server (SAMBA I think) so that it can access our home folder like the windows machines do.
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Aug 14, 2010
I am having trouble to make my SSH server working with remote machine.
Code:
telnet 192.168.1.102 22
PHP Code:
[Code].....
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Jan 7, 2011
I am merely trying to change the port for my ssh server.However it isn't changing.I edited my ssh_config file to:
Code:
# This is the ssh client system-wide configuration file. See
# ssh_config(5) for more information. This file provides defaults for[code]...
When i try to connect to my server via port 443 i get a connection refused error. However when i try to connect via port 22 it connects. Since that didn't work, i tried restarting the entire server.To restate, i changed the config file and restarted ssh then the computer, however the port didn't change.Ohh and yes my router is set to port forwarding on port 443, though it doesn't matter since I'm inside the network.
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Jun 22, 2011
I have a compaq pressario v6000 with broadcom wireless card bcm4312. I was running Suse 11.3 and one day the wireless stopped working so after several hours googling I gave up and installed 11.4 but I have exactley the same problem I can connect to my bt openzone or btfon network but not to my own secure network I have tried everything I can think of including disabling security settings on my homehub but I can't get it to work at all I have used network manager and traditional I just can't get it to work.
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May 5, 2011
I have a problem with my Terminal Server Client, I cannot seem to connect to any windows server via IP address. Can anyone please recommend any tool I could use to connect? I need to work on the server for admin interfaces example Admin Kits for workspace protection
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Dec 20, 2009
I have FileZilla installed on this machine, and OpenSSH (with an open port 22) on another machine on my home network. When I try and connect, I get: Quote: Status:Connecting to 192.168.2.3... Response:fzSftp started Command: open "alphatwo@192.168.2.3" 22 Error:Connection refused Error:Could not connect to server
Which has left me puzzled as I have an open port. Does the username have to be defined somewhere? E.g. the machine acting as my SFTP server can be logged on to locally as alphatwo so that's what I logged in as (with the correct password). Is this correct? If so, does anyone have any ideas as to how I might rectify it? I want SFTP set up so I can copy PHP files from my laptop to /var/www/html/ on another PC (across the home network).
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Sep 5, 2010
I am using debian testing on my office pc, but i need to access it's desktop from time to time. So i need No machine/teamviewer software that can provide me with possibility to interact my desktop. The problem is, that i want to run shadowed session type, because teamviewer is not good for me. So, when i run no machine in shadowed mode, it crashes with message "The connection with remote server was shut down, please check your network settings and try again." The log is here:
[Code]....
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Jan 3, 2010
My server is suddenly getting giving the following error: Quote: Secure Connection Failed An error occurred during a connection to inenergy.dvrdns.org. SSL received a record that exceeded the maximum permissible length. * The page you are trying to view can not be shown because the authenticity of the received data could not be verified. * Please contact the web site owners to inform them of this problem. Alternatively, use the command found in the help menu to report this broken site. I had been trying to configure the server to do secure logins (before Christmas) , but I don't think I had completed the configuration and I'm not sure how to reset it so that I can start again.
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May 30, 2011
I'm trying to setup an open-source project, I have a couple of developers on the team but nobody has experience with Apache. I would like to setup a simple home server for Bugzilla on Ubuntu 10.04, so my question is, is there a server that comes secure out-of-the-box so that simply adding files to /htdocs would suffice?
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Dec 27, 2010
how to setup a secure and reliable server, i have three ubuntu 10.10 servers a Dell PowerEdge 850,1850 and 2850 which has a Dell PowerVault 220s attached to it.The Dell PE850 Server Consists of:
Intel Pentium D 3.0GHz
4 GB RAM
Eventually 2x250GB Sata Hard Drives
The Dell PE850 Server Consists of:
2xIntel Xeon Processors 3.4GHz
4 GB RAM
2x76GB SCSI Hard Drives RAID 1
The Dell PE850 Server Consists of:
2xIntel Dual Core Processors 2.8GHz
4 GB RAM
6x76GB SCSI Hard Drives RAID 5 (pretty sure)
Dell PowerVault 220s
I would like to setup a reliable webserver, mail server, DNS and Dynamic DNS, DHCP, SQL, FTP, Samba (with Roaming Profiles), PXE Boot Server.I know how to setup most of the server modules, i would just like to know the best way to do it tho. I also want to no how to setup the secuity of the system correctly, and setup and partition up my hard disks to allow for the best reliabilty, even when a server crashes.I would like to now how to set these servers up from start to finish in a sence.
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Dec 29, 2010
I am going to set up a file server on Ubuntu. I have searched a while, but can't seem to find a guide to what I want. The requirements specifications are the following:File server: possible to upload, change and download files.Linux (Ubuntu) clients, Windows clients if possible.Access restriction to deny access to other than registered users.Only the user should be able to read the content of the files.Ideally root should not be able to see the individual files, but in worst case it is ok for root to see the files.Root should not be able to open the files.Point 1-3 is easy to find out how to set up. But I can't seem to find a way to deny root to view the files. The only solution I can think of is to encrypt files or a whole folder, but I don't know how to set it up.
The setup is for a home network, but the server used as a file server will have a web server as well. If someone manages to get access to the server I don't want them to be able to read the files.
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Apr 4, 2011
I have a network of 100 machines, all with ubuntu Linux. Is there a limit to the number of machines that can connect to one single machine (at the same time)? For example, can I have 99 of my machines maintain continuous ssh connection to the 100th machine? Can I have every one of my machines (every one of the 100) maintain a continuous ssh connection to all other 99 machines? How much memory does each such a connection take?
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Aug 2, 2010
As far as I know, servers are stable and don't go down easily, but every single server will eventually go down some day, either from hardware/software failure or from hacking.
But as sysadmins, our job is to keep servers running healthy as long as possible.
So I'm conducting another short survey (I might start more survey threads, and thank everyone for kindly replying my previous post):
1. Have you encountered server failures? What's the most common cause for server failure?
2. What is your most important trick in avoiding your server go down?
3. What security rules do you follow to protect your servers?
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Jun 9, 2011
Does anyone know how to go about setting up a secure IMAP email server that is able to be accessed from outside the network? Similar to how you can access your google email account from your computer using Thunderbird.
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Jun 16, 2011
I have installed dhcp-server on ubuntu. And server is providing ip address to clients (Window machines) but not default-gateway but I have another network in my network and same configuration and same dhcp-server provides every information.
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Jun 14, 2011
Trying to setup Samba for the first time and am unable to connect to the share from my Windows machine. It is a very basic setup, just trying to setup a single share to use a backup location for my windows files.
I've done the following:
1. Fresh install if fedora 15
2. installed samba
rpm -qa | grep samba
gives the following:
[Code].....
3. Used samba server configuration to setup the share and create the samba users
4. When I tried to connect from my windows machine I get the error that the server is not accessible, you might not have permission to use this network resource or I get the error "windows cannot access server, check spelling and try again.
Both computers can ping each other. I opened samba ports in the linux firewall and tried to connect again: same error Disabled firewall all together and have the same error. Here is the output from the testparm command
[Code].....
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Feb 14, 2011
I have a new Ubuntu server (10.10), named Denholm, recently installed and updated. I came in this morning, attempted to add a package with apt-get, and got a "Connection refused" response. I have another server (also 10.10), named Moss, on the same network that can connect successfully.
Here's what I've found/tried so far:
This doesn't look like and apt problem anyway, but the sources.list files on Denholm and Moss are identical.
I can ping [URL] (and other sites) successfully from Denholm.
I have tried 'wget www.google.com'. From Moss the wget is successful, but from Denholm I get "Connection refused."
I have a web server on Moss and Denholm can successfully access it.
To the best of my knowledge, Denholm is not configured to use a proxy server (no http_proxy variable set).
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Mar 13, 2011
I have a Rackspace server running Ubuntu Lucid Lynx, where I have installed an IRCd-Hybrid. I can connect to the IRC server using irssi that was installed on the same machine where the server is, but when I try to access it from my computer at home or my friends try I get this error:
Code:
Connection Refused
What should I do?
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May 18, 2010
I'm trying to connect from my XP machine (NX client for windows) to my linux machine (installed the 3 deb files to make it server), I get "connection refused". How can I see the default configuration of the server (Linux) side ? Am I'm missing something with the installation (samba?)?
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Sep 22, 2010
Using Thunderbird as mail client, I notice an option in the mail account's Server Settings which reads "Use secure authentication" which allow secured transition of your username and password.I also have my own mail server. Hence, how do I enable this functionality for my mail server (I'm using Postfix & Dovecot) ?
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Sep 27, 2010
I installed OpenSuSE 11.3. The only "extra" package I put in after the install was VirtualBox-ose. The firewall is disabled. I gave the machine a static IP address. I can get to the Internet from the machine. I enabled sshd to start on boot with "chkconfig sshd on" and also verified the service is running on the machine. I can ssh user@localhost from the machine as well.
When I try to connect to SSH from another machine, I get a connection refused. I verify that the firewall is down. I also try to get to VNC -- same problem: Connection refused. I ping the machine for fun. If I try to SSH again, it sometimes gives me a logon? I would check the server logs for the connection refused, but I wouldn't know where to look. I started in /var/log/messages, but nothing seemed to jump out there. I also find it strange because I can RDP to a windows guest running under VirtualBox. The Windows guest uses Bridged Network and DHCP.
I also find it interesting that I sometimes type a "ping google.com" from the 11.3 box and it will just hang - no output. Then I open firefox and get to the internet. All of a sudden, ping starts to give output. Could this be a neetwork card issue? A configuration issue? I don't know where to start.
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Feb 9, 2010
I just installed VMware server 2.02 on a CentOS 5.4 machine. I tried to run 'vmware': it starts via my web browser (firefox) with xdg-open. Then, firefox displays this:
Connection Interrupted
The connection to the server was reset while the page was loading. The network link was interrupted while negotiating a connection. try again.
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Jul 31, 2011
I've set up a PC installed with Ubuntu 11.04 on my home network, given it the name "server" and given it a static IP of 192.168.1.200. I've created a file in the home directory called "Public" and set it to be shared with everyone, basically a chmod 0777 situation. Now, how do I connect, or map out that folder from another ubuntu 11.04 machine? I know how to do it in Windows, just hit "run" and type in "\server" and blamo, I can see everything that's shared on that machine. I can't figure out how to do this with Ubuntu.
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Feb 7, 2010
I have an old pc currently running ubuntu server 9.10. It was configured during install to connect to the home wifi router by a PCI ethernet card, which worked all well and good. However, at the moment I cannot connect to the router (I have moved the machine too far from it). I want to connect this machine (desktop) to the server so I can SSH into the box and backup some files. I need help creating a simple wired network connection between the two, as I have no clue as to where to start.
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Apr 19, 2010
To automatically upgrade i need to connect to a FTP server. Now do i have to allow wordpress access via apache to the machine it is on or do i have to create a ftp server on another machine with the files on it?
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Feb 22, 2010
I'm trying to setup a server at home so i can work in a LAMP based web app from a Windows 7 laptop. I downloaded Ubuntu Server 9.10 and installed it on one of my desktop PCs. I also installed phpmyadmin and everything seemed fine (tested with lynx) I started noticing the problem when I tried to connect from the laptop to the server in the same LAN. when i tried to access [URL] the browser kept loading forever and nothing appeared. The default [URL] it works" page display just fine I then created a testing.php file containing just <?php phpinfo() ?> in the /var/www directory and it works on the server, but from the laptop it displays the same hanging behaviour, any php code doesnt seem to be properly executed when apache serves other machines.Im guessing its some sort of php configuration causing this, and it might be obvious for ppl with more experience with server setups, but i've never setup a server before and Im having a hard time solving this.
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Sep 23, 2015
I'm trying to install the openconnect VPN client on a server machine, Debian 7 Wheezy, and APT is trying to install a lot of dependencies. I think it's trying to install the whole desktop environment.I was searching the web but all articles are for desktop machines and nobody mentions my problem with the dependencies. I also have openconnect installed in two Gnome desktop machines without problems.
This is the output:
Code: Select all# apt-get install openconnect
Reading package lists... Done
Building dependency tree
Reading state information... Done
[code]...
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Jan 29, 2010
Since a few weeks I cannot open a console in vmware server 2.0.2 anymore. I don't know exactly when this started because I use vmware only occasionally (I have only 1 program (an old Ashlar DrawingBoard) which does not run properly in wine). VMware server and the console have been working before without problems, but now I get the message "Cannot connect virtual machine console." and it times out. This is on Opensuse 11.1 with VMware Server on the same pc, Firefox and the guest is Windows2000.
I have tried to disable all extensions in firefox 3.6, disabled the firewall, even created a new user (on the same pc) with a clean firefox, all without any result. However when I connect from a different computer which runs Internet Explorer under windowsXP, then I can get the console without problem.
So, somewhere there is something wrong between Firefox and VMware server.
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