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• Reasonably Secure Alternative to Poptop PPTP Server for Ubuntu server and Windows clients?

  - by wag2639

  I have a poptp server running on a old Fedora server but I'm upgrading to an Ubuntu 10.04 server. I was wondering if there are any good, reasonable secure alternatives to poptop that in can install on our new Ubuntu server as a way to get VPN access from Windows clients (XP and 7) to get remote access into our Intranet. We only use the VPN to access files located inside the network; we do not need to use it as a proxy/gateway. I've looked into openVPN but it seemed way too complicated and I would prefer something built into Windows. A Windows 7 only solution is OK.

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• What do user accounts do?

  - by Fasih Khatib

  Ok, this is my first time with windows server os. I started doing this out of curiosity. I have a desktop running windows server os 2003 which is connected to a wifi router. I have a laptop that connects to this router wirelessly and THIS REPRESENTS A REMOTE USER. I want to provide access to this user to a set of files ON THE SERVER. So i create an account for this user, as Start - programs - admin tools -user manager and then the steps to create an account. When i use this laptop, i log in as administrator as its the default account that came. Now when i want this laptop to be the user i just created on the server, HOW DO I DO THAT?

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• RDP Clipboard File transfer in Windows Server 2008 R2

  - by user67126

  Hallo, i dont like the "new" Feature in Windows 2008 R2. We had some Terminalserver and there Work a lot of Users. If the User anable the Clipboard Funktion in his Remote Desktop Connection, the user can copy a file from the RDP Connection to his local Computer and the other way arround. I search a possibility to copy & paste (only Text/Pictures) between the RDP Connection and the local Machine like Windows 2003 and no Files. Andybody an Idea. Thanks Greetings from Germany

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• sql user not associated with a trusted connection

  - by homestead

  just setup a new server with sql server express 2005. (want to connect remotely) I set logins both windows and sql I modified so both local and remote connections are allowed I restarted the server windows firewall is not connected. (have an external firewall with a hole at port 1443) user account is active, no password policy or forcing to change on next login etc. If I even try to connect using this username locally on the server using 'file | connect to object explorer' I get the same message that the user is not associated to a trusted connection.

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• Storage replication/mirror over WAN

  - by galitz

  Hello, We are looking at storage replication between two data centers (600km apart) to support an active-passive cluster design for disaster recovery. The OS layer will be mostly Windows Server 2003/2008 with some OpenSuSE Linux used for performance monitoring on VMWare or possibly XenServer. The primary application service to replicate is Nvision. Datacenter 1 will have two storage systems for local active-passive or perhaps active-active replication with Datacenter 2 used as a last resport disaster recovery site. We have a handle on most aspects, but I am looking for specific recommendations on storage platforms that can handle remote replication cleanly. Thanks.

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• VMWare hypervisor with only 1 network card?

  - by Rafiq Maniar

  VMWare hypervisor minimum requirements states that the minimum network requirements is: one NIC, plus one for Management interface (source: http://www.vmware.com/products/datacenter-virtualization/vsphere-hypervisor/requirements.html) It used to be possible to use 1 NIC only. Is anybody using the new versions of VMWare in this configuration? I ask because my colo provider will only provide me with 1 uplink (my server does have 2 NICs). I need to be able to run the VMs and also have remote management using only 1 NIC. Possible?

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• SSH and Latent Connections (e.g., satellite connections)

  - by user71494

  Most of the week I live in the city where I have a typical broadband connection, but most weekends I'm out of town and only have access to a satellite connection. Trying to work over SSH on a satellite connection, while possible, is hardly desirable due to the high latency ( 1 second). My question is this: Is there any software that will do something like buffering keystrokes on my local machine before they're sent over SSH to help make the lag on individual keystrokes a little bit more transparent? Essentially I'm looking for something that would reduce the effects of the high latency for everything except for commands (e.g., opening files, changing to a new directory, etc.). I've already discovered that vim can open remote files locally and rewrite them remotely, but, while this is a huge help, it is not quite what I'm looking for since it only works when editing files, and requires opening a connection every time a read/write occurs. (For anyone who may not know how to do this and is curious, just use this command: 'vim scp://host/file/path/here)

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• Saving small text files is slow over Win Server 2008 R2 VPN

  - by Buckers

  We have a VPN connection to our Windows Server 2008 R2 machine, and the connection works fine. Large files go back and forth fairly quickly, but we use the connection mainly for working on small text files (.aspx, .asp, .php etc). What we find very annoying is that even the smallest of files, there is a noticeable delay of between 2-5 seconds when saving any changes. As we often make changes to code and are constantly saving, this is becoming a problem. Is there anything that might be causing this delay? Or is there anything we can do to speed it up? The connection is definitely not the issue as we have a constant 5Mb upload from our server, and 20Mb+ down on the remote machines. Thanks, Chris.

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• Error connecting to the application.

  - by ahmed

  Hi guys, let me explain you the current scenario. We have a asp.net application on framework 2 running on intranet(Windows 2003 Server and Sql Server 2000). Now we have a xp machine where we installed and configured IIS with a virtual directory pointing on the local Xp machine and this machine is connected to our intranet. We have copied the same application files of the server to this XP machine. But the thing is the connection string/database of the application is pointing towards the intranet server. The problem is when we try to run the application on the XP machine we get this error : An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) Is this query related or concerned with this site or stackoverflow ?

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• I can access my company mail on iPhone, but not on a PC/Mac

  - by Philippe

  On my iPhone (4), I can set up my company e-mail, which allows me to receive and send e-mail and use the calender to manage appointments. The company is using Exchange 2003. The problem is that this is the only way I can access my e-mail when I'm not at the office. I've tried setting up an account on Outlook 2007, Outlook 2010, Outlook 2011 (Mac) and the OSX Mail app, but it doesn't work. The server cannot be reached, even though I've used the exact same settings as on the iPhone. The info I use on the iPhone is: Server name of the company mail server (it's the same as for webmail) Use SSL AD Domain of my account My AD account name Password When I enter this on the iPhone, it works like a charm, but whatever I try on one of my desktops, it doesn't work. FYI: I can't ask the company IT guys because according to them, it doesn't work from a remote location, not even on the iPhone (but obviously, that works just fine)

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• IPP Printing from Windows 7 Ultimate

  - by Casey

  I have network IPP working on Ubuntu and Windows XP. On my Windows 7 instance, it refuses to acknowledge the remote server connection. Can anyone suggest how to configure this correctly? My install steps are: Add Printer Add a Local Printer Create a New Port and "Standard TCP/IP Port" Enter hostname http://host:631/printers/Printer_Name After that it says the printer is not detected, asks me to pick a driver, and finish up. Trying to use the device does not produce any output? If anyone has got this work, I would really appreciate a fix.

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• Windows port forwarding

  - by carlesso

  This is the scenario: A Windows XP client A Linux Server The client is natted/firewalled/unreacheable from outside, the linux server is public. I need to allow the client, once upon some conditions, to expose the remote desktop port (3389) on the Linux Server, somethig like ssh -R 3389:localhost:3389. I dream it as a service, or something like that so I can start and stop the "forwarding-session" on my needs. I've to pilot this session from some program-language (python or ruby mostly). Any hint? Thanks in advance.

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• Binding keys from specific device in X.org

  - by Michal Cihar

  I have a remote control for presentations, which generates Next/Prior key events in X.org (Page up/down). I'd like to use these for navigating in playlist (using MPD, but it probably does not matter). The problem is that I want to make this control work all the time (without application having focus) and I don't want to lose Page up/down functionality from normal keyboard. Is there some application which would allow me to bind actions to events from specific keyboard? Or is there simple way to implement such thing on my own?

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• SFTP over double server hop

  - by josh.trow

  I'm trying to work out a method to allow me to access files on an SFTP server than I cannot access from my local machine. Currently, I have to SSH to a remote server (it is in a certain IP block that the final SFTP server will accept from), then from there SFTP to the destination server. From there, I get the files I am interested in, thereby dropping them onto the middleman server, from which I can get the files either over a Samba share or with a direct scp. I also work in the reverse, where I drop the files onto the middleman, SSH to it then SFTP to the destination and put them into the appropriate folders. My goal is to shorten this. The unfortunate restrictions are that my machine is Windows (I use KiTTy and/or Cygwin) and I cannot modify the middleman server (or destination server) in any way. I am willing to use command line or GUI programs so long as it works and is free. Any ideas?

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• Can't connect to IIS7 on one of my machines

  I have 2 computers, both running Win7 Professional x64. Computer "A" (192.168.0.10) is my work machine, it contains my tools etc. Computer "B" (192.168.0.15) is supposed to be my build server / web server for my projects I've installed IIS on "B", and installed IIS7 remote manager on "A". I'm trying to connect from A's IIS7 Manager to B's IIS but I fail. I have little knowledge of IIS, and I feel that's the main reason. I can ping B from A and get positive results so the machines do see each other. A and B are in the same workgroup but not in a domain (if that matters) - they're in my home network. What do I need to do to "see" B's IIS?

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• Can I use the same machine as a client and server for SSH?

  - by achraf

  For development tests, I need to setup an SFTP server. So I want to know if it's possible to use the same machine as the client and the server. I tried and I keep getting this error: > Permission denied (publickey). > Connection closed and by running ssh -v agharroud@localhost i get : > OpenSSH_3.8.1p1,OpenSSL 0.9.7d 17 Mar > debug1: Reading configuration data /etc/ssh_config > debug1: Connecting to localhost [127.0.0.1] port 22. > debug1: Connection established. > debug1: identity file /home/agharroud/.ssh/identity type -1 > debug1: identity file /home/agharroud/.ssh/id_rsa type 1 > debug1: identity file /home/agharroud/.ssh/id_dsa type -1 > debug1: Remote protocol version 2.0, remote software version OpenSSH_3.8.1p1 > debug1: match: OpenSSH_3.8.1p1 pat OpenSSH* > debug1: Enabling compatibility mode for protocol 2.0 > debug1: Local version string SSH-2.0-OpenSSH_3.8.1p1 > debug1: SSH2_MSG_KEXINIT sent > debug1: SSH2_MSG_KEXINIT received > debug1: kex:server->client aes128-cbc hmac-md5 none > debug1: kex: client->server aes128-cbc hmac-md5 none > debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent > debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP > debug1: SSH2_MSG_KEX_DH_GEX_INIT sent > debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY > debug1: Host 'localhost' is known and matches the RSA host key. > debug1: Found key in /home/agharroud/.ssh/known_hosts:1 > debug1: ssh_rsa_verify: signature correct > debug1: SSH2_MSG_NEWKEYS sent > debug1: expecting SSH2_MSG_NEWKEYS > debug1: SSH2_MSG_NEWKEYS received > debug1: SSH2_MSG_SERVICE_REQUEST sent > debug1: SSH2_MSG_SERVICE_ACCEPT > received > > ****USAGE WARNING**** > > This is a private computer system. This computer system, including all > related equipment, networks, and network devices (specifically > including Internet access) are provided only for authorized use. This > computer system may be monitored for all lawful purposes, including to > ensure that its use is authorized, for management of the system, to > facilitate protection against unauthorized access, and to verify > security procedures, survivability, and operational security. Monitoring > includes active attacks by authorized entities to test or verify the > security of this system. During monitoring, information may be > examined, recorded, copied and used for authorized purposes. All > information, including personal information, placed or sent over this > system may be monitored. > > Use of this computer system, authorized or unauthorized, > constitutes consent to monitoring of this system. Unauthorized use may > subject you to criminal prosecution. Evidence of unauthorized use collected > during monitoring may be used for administrative, criminal, or other > adverse action. Use of this system constitutes consent to monitoring for > these purposes. > > debug1: Authentications that can continue: publickey > debug1: Next authentication method: publickey > debug1: Trying private key:/home/agharroud/.ssh/identity > debug1: Offering public key:/home/agharroud/.ssh/id_rsa > debug1:Authentications that can continue:publickey > debug1: Trying private key:/home/agharroud/.ssh/id_dsa > debug1: No more authentication methods to try. > Permission denied (publickey). Any ideas about the problem ? thanks !

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• Simple server status page hosted externally available for users

  - by Chris

  I am looking for any kind of script - can be asp or php or any other web language - that gives me the ability to log outages and the current state of the network for our organisation. This would be similar to any major Telco's "Network Status" page, but I just want to tell the user's out there if the systems are up and running and have a history of recent outages. This would be for our remote user's so they could go to a webpage (externally hosted from our main site) and see that we are currently having problems with our network. What are other people out there using?

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• Using socat to exec php cli

  - by RoyHB

  There are multiple client programs that periodically connect to a port on my server and send a single line of text. When a connection to the port is made I need to start a PHP CLI script that processes the data. There may be many of the remote scripts running/connecting at more or less the same time so I think it would be best if socat forked a process for each connection to run the script. I've gotten socat to do most of what I need, using the command socat tcp-l:myport,fork exec:mypath/socatTest.php I can read the input on php://stdIn. All is good. The problem is that the process doesn't seem to fork, so if a second external program sends data while another is doing the same it gets a connection refused error. Where have I gone wrong?

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• Linux- passwordless ssh from system (root) script

  - by redmoskito

  What's the easiest way to have a system script (running as root) execute remote commands over ssh? I've written some scripts that execute commands remotely via ssh, and they work great when I run them as myself, as I've set up ssh-agent and keys for passwordless login. I'd like to call these when my laptop docks and undocks. I've been successful at running arbitrary scripts when docking/undocking, but since the ACPI event scripts run as root, trying to run my ssh script fails during authentication. I tried using sudo with the -u and -i flags to simulate running the script as my user, e.g.: sudo -u redmoskito -i /home/redmoskito/bin/remote_command which successfully finds my private key and tries to use it, but the ssh-agent credentials are still missing, so it still needs my passphrase.

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• rsync synchronizing files only without creating folders on destination

  - by Vincent

  Is it possible with rsync to not create directories on destination? Imagine I have that source : a/ a/x.txt b/ b/y.txt And that I have this destination : a/ a/z.txt The wanted result of rsync source destination : a/ a/x.txt a/z.txt Of course my real situation involves thousand files/folders structure and I don't want solutions involving explicit list of synced folders, which I can do. I'm looking for a clean way just to prevent any folder creation on destination. By exclude or filtering... That could even be something outside rsync, like a hack with permissions if rsync can't do this... For information, this is really easy to get this kind of situations, in my case I have: A server with 2 disks, let's say A & B. And a local drive C. I usually use rsync to sync (and merge) remote A & B into local C. Then sometimes I just want to sync back some C files into A and B. (Just new Files... not non-existing folders on destination)

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• ftp connects but files aren't visible browsing

  - by YsoL8

  Hello If this should be on that other site, please don't shoot me, as I can't remember the name or the url. I have an ftp account in Dreamweaver that connects to the remote site and appears to be uploading files as normal. But when I browse to the location I can't see any new files or changes to the index page. (I've uploaded index.php and connect.php). I'm getting a 404 page. I suspect the host directory is wrong, but looking at the file tree, I can't see the folder I'm supposed to be using, so I'm uploading to the apparent site root. Any guidance on this?

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• SQL server could not connect: Lacked Sufficient Buffer Space...

  - by chumad

  I recently moved my app to a new server - the app is written in c# against the 3.5 framework. The hardware is faster but the OS is the same (Win Server 2003). No new software is running. On the prior hardware the app would run for months with no problems. Now, in this new install, I get the following error after about 3 days, and the only way to fix it is to reboot: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: TCP Provider, error: 0 - An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full.) I have yet to find a service I can even shut down to make it work. Anyone had this before and know a solution?

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• Prioritize file sharing performance in Windows Server 2008

  - by cmbrnt

  I've got a server running Windows Server 2008, and use it mainly for sharing files throughout the domain from a number of disks. It's running on VMware ESXi 4.0, in case that matters. My problem is that when I log in to the server to check user permissions etc, the access speed the files on the remote disks almost grinds to a halt. I havn't been able to measure the speeds, but I would guess it slows down to about 100kB/s as soon as I log in. This is on a gigabit network and the problems are equal for all users, even the ones connected to the same switch as the server. I've assigned 2 GB RAM to the server, and reserved it 1,5Ghz processor power. I don't have to do anything special on the server for this halt to occur. How can I make sure file sharing is prioritized on the server, so no matter what applications I'm using it will always make sure file sharing works properly? Could this be a VMware issue?

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• Login-time quota for VPN users

  - by Isaac

  I have configured Routing and Remote Access Service in Windows Server 2003 as the VPN server. VPN users are defined in Active Directory which is running on this server too. How i can configure the server to give each user a limited download size (for example 1GB) and does not authenticate them when they exceeds their download quota. The VPN server should also disconnect the users that reach their quota. Update: Apparently a third-party RADIUS server could provide this feature. One solution I have found is TekRADIUS but it is commercial. FreeRADIUS is a open-source free RADIUS server but I am not sure if it could these kind of features.

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• PuTTY: how to properly emulate -t option

  - by John Sonderson

  On Linux the ssh command has a -t option whose man page reads: Force pseudo-tty allocation. This can be used to execute arbitrary screen-based programs on a remote machine, which can be very useful, e.g. when implementing menu services. Multiple -t options force tty allocate, even if ssh has no local tty. I would like to use this same option with PuTTY on Windows. In particular, I can see that PuTTY has a bunch of options under: Category - Connection - SSH - TTY and suspect it might be possible to achieve the same behavior via some of the (NUMEROUS!) settings found on this screen. Anyone know how to configure the following command: ssh -t USER,[email protected] create Thanks!

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