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• Remote Desktop over SSH SOCKS proxy to bypass firewall

  - by scrumpyjack

  Hi folks, I'm trying to connect to a Windows server from my Mac using RDC2.1 for Mac. The problem is the server I need to connect to is guarded by the evil dragon - IP-based access control on a completely separate network. I have an IP I can get in on, but it's at my office (i.e. a completely separate network). Because that network isn't set up for VPN, I've set up a SOCKS proxy through an SSH tunnel (which is all working fine). (SSH proxy) Me (on my Mac) ----------> Office Linux box ----> Windows server (home network) (office network) (other network) From my Linux server in my office (the SSH server) I can telnet to port 3389 on the Windows server, no problem. But from my Mac I can't get so much as a squeak out of it. Any ideas?

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• How do I keep multiple copies of Outlook in sync when using RPC over HTTP?

  - by Don

  I use Outlook 2007 at work with our Exchange 2003 server. I just setup my home system with Outlook 2007 so that I could use the RPC over HTTP to access Exchange without having to use a VPN. It works fine. I can get mail, send mail, etc. What it doesn't seem to be doing is staying in sync. For example, I read a few messages at home, moved them into different folders from the Inbox, etc. That all seemed fine. When I login to my work machine and look at the copy of Outlook there, the mail is still unread and nothing has been moved. Am I missing something simple here? I would have to assume that my home machine should be telling Exchange where these messages belong and that they've been read. Both machines are running Windows 7, if that matters. Ideas?

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• Postfix, saslauthd, mysql, smtp authentication problems

  - by italiansoda

  Trying to get authentication on my mail server (ubuntu 10.04) running but am having trouble. I have a server with postfix for smtp setup, imap server with courier setup. My postfix authentication is using cyrus (I haven't tried dovecot really) saslauth. The user name and password is stored in a MySql database. Logging in with imap-ssl works on a remote client (thunderbird), and I can read my mail. I can't get the SMTP side working, and have focused the issue down to saslauth. Testing with testsaslauthd -u 'username' -p 'passowrd' -s smtp returns connect() : Permission denied the password in the database is encrypted and I guess this testsaslauthd will take a plain text password and encrypt it. Looking for someone to walk me through getting this working. Im new to the mail server, and have never got one fully working. Thanks. Ask me which log files I should look at/post, which tests to run, permissions to check.

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• Where are Credentials stored for Network Drives on WinXP?

  - by Tom Tresansky

  I have a drive mapped to a folder on a remote machine that I connect to using the Cisco VPN client. The password to the Windows account I use on that remote machine has changed. I had stored the username/password locally, using Window's remember my password feature, so I wouldn't have to enter it every time (the enter user/password login dialog used to appear each time I attempted to open the remote folder, and I would have to look up and enter my credentials). The password to that remote Windows account has changed. Now, I am no longer prompted to enter a user name / password, but instead, upon trying to open the remote folder, receive a message: unknown user name or bad password. How do I view and change these stored credentials?

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• IIS Reverse Proxy support for multiple protocols

  - by Abraxas

  I have a server 2012 machine running IIS. It's in my DMZ and I would like to use it to do reverse proxy for several services. I can get it to route traffic on port 80 to 2 separate internal servers running web apps but there are some issues when I try to forward SSH (not port 80/443) and then when I try to forward OWA (Micrsoft exchange's 'webmail' services) to the internal mail server I run in to issues with guides (like this: http://blogs.technet.com/b/exchange/archive/2013/07/19/reverse-proxy-for-exchange-server-2013-using-iis-arr-part-1.aspx) when they say to have all traffic forwarded to the server farm created for OWA. My question for you all is this - given that there is no more Threat Management Gateway (only runs on server 2008) and ISA 2006 is also dead - is it possible to support multiple types of reverse proxies with different protocols (ftp, ssh, web, ssl-web) in IIS, or would it be better to install a different DMZ OS like a nginx server and use linux firewalls + nginx reverse proxy? Thanks for any help!

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• "DNS not responding" error with D-Link router and PPTP internet connection

  - by Born2win

  I have a D-Link DIR-615 router since around six months. My internet connection is VPN (PPTP) based, i.e. I have been given a username and password from my ISP and my IP address is dynamic. Since a few days I am experiencing a serious problem. My router connects normally (I can see the yellow light), but my computer is giving me a "DNS not responding" error. I have tried everything (reset, reboot etc.) but no success.

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• How to disable System service from listening on port 80 in Windows Server 2003

  - by Miky D

  I'm trying to install a service on a Windows Server 2003 machine which is supposed to listen on port 80 but it fails to start because some other service is already listening on that port. So far I've disabled the IIS Admin service and the HTTP SSL service but no luck. When I run netstat -a -n -o | findstr 0.0:80 it gives me the process id 4 as the culprit, but when I look at the running processes that process id points to the "System" process. What can I do to get the System process to stop listening on port 80 and get my service to listen instead?

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• IIS 7.5 Rewrite help needed

  - by Nolan Berry

  I am trying to do something extremely straightforward. I just need to force SSL and I am trying to use the URl Rewrite plugin. I am getting no results when I put the following rule into my conf. <rewrite> <rules> <rule name="Redirect to https" stopProcessing="true"> <match url="(.*)[^/])$" /> <conditions> <add input="{SERVER_PORT}" pattern="443" negate="true" /> </conditions> <action type="Redirect" url="https://{HTTP_HOST}{REQUEST_URI}" /> </rule> </rules> </rewrite> Any thoughts on why this isn't catching?

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• kernel openvpn segfault

  - by Rex

  e.. I have some trouble about OPENVPN these days.. At first,I find that the OPENVPN is always down. Then I try to restart it.But after a short while,It's down again. Then I check /var/log/messages and find something below openvpn[4338]: xxx.xxx.xxx.xxx:48484 Re-using SSL/TLS context openvpn[4338]: xxx.xxx.xxx.xxx:48484 LZO compression initialized openvpn[4338]: xxx.xxx.xxx.xxx:48484 [abc.abc_] Peer Connection Initiated with xxx.xxx.xxx.xxx:48484 kernel: openvpn[4338]: segfault at 0000000000000018 rip 00002b75ca30ca2e rsp 00007fff153806a0 error 4 Obviously,OPENVPN is Down. So,I just want to know what's wrong here..... P.s. The username should be abc.abc.But it shows that is abc.abc_ Is there something wrong? CentOS 5.4 x64 Linux 2.6.18-238.9.1.el5 My English is very pool... :( Thanks~

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• Why do my proxy settings keep changing?

  - by tjrobinson

  I am running Windows 7 and a few times a day the "Use a proxy server for your LAN (These settings will not apply to dial-up of VPN connections)." under "Local Area Network (LAN) Settings" checkbox becomes checked seemingly on it's own. Am I pressing some kind of hidden keyboard shortcut accidentally? What sort of applications might alter this setting and why? Unfortunately as this is a developer box, there's a lot of stuff that could be interfering, e.g. Visual Studio 2010, Windows Azure SDK and various browsers. Has anyone else come across this?

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• How can I launch RemoteApp on Windows Server from server itself at startup

  - by Rusted

  I have Windows Server 2008 R2 with RDS and custom desktop (GUI) application installed on the server. The app is started as RemoteApp on server by user from his desktop computer (or, sometimes, he can work from notebook over VPN). Some details about environment: the server automatically shuts down every evening and automatically power-on every morning (this is a requirement) desktop application do some precalculations/precaching on startup and it can take lot of time mentioned application have some memory leaks, so I can't use hibernate instead of shutdown When user launching this app from his computer, he can't start work with it until this app finishes pre-initialization. Is there any way to start RemoteApp session at the server startup (without actual user logon), so that the user could connect to this session from his computer later? I don't want to involve the user's computer to make it work. I have tried to do it by Windows startup script, but have no luck - starting RDP session requires actual user session.

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• Timeout Error in SQL Server Database Mail Feature

  - by RedLEON

  I configured database mail profile as gmail smtp server, SSL and port 465. I didn't restart server. And this is first time to use Database Mail feature on that server. When I send a testing mail it give me this error message: The mail could not be sent to the recipients because of the mail server failure. (The operation has timed out) I tried this mail configuration with Thunderbird and I could send messages througt this SMTP. Why is SQL Server giving this eror message? I searched here but didn't find any solution.

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• squid transparent proxy on all ports

  - by Yves Richard

  I have setup squid as a transparent proxy by redirecting port 80 to the native squid port 3128. I know there are issues with getting secure ports like ssl and imaps to go though the proxy but can I redirect all other ports through the proxy as well. I am trying to get a better idea of bandwidth usage. I have setup iptables to log usage and i am getting most traffic going into the related/established rule. I am trying to determine the origins of this traffic by sending traffic to squid for more detailed logging.

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• ubuntu pptp connections from command line

  - by Ian R

  I'm using a lot of vpn connections daily for my work and I want to program a pptp dialer in python to ease my job a little bit by automating things. I usually go with network-manager-pptp to setup my connections but I would like to skip this gui tool and do it from the script. Something like a dialer. My question is. Can pptp connections be established using the command tools only? Also, where does network-manager-pptp saves its failes so I can take a look and see what configs it generates. Any help is much appreciated.

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• sql server log shipping

  - by voam

  I am setting up log shipping with two 2008 sql servers connecting with a vpn. As far as I know as long as the sql agent is able to access the share on the primary/secondary servers everything will work. When I set up the Log shipping on the primary server using SQL Mangagement Studio, before I can set any of the "Secondary Database Settings" it asks me to connect to the secondary server. But I really don't want to open up the connection to the secondary server. I will be initialing this secondary database with a backup so as long as the transaction logs get copies everything should work. How to I work around the GUI not enabling any of the settings for the secondary server until I actually connect to it? Thanks in advance!

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• Windows Server 2008: Terminal Services / VDI

  - by JohnyD

  I have a Dell R710 with 72GB of memory running Hyper-V. Within Hyper-V I have a Windows 2008 (32-bit) VM running Terminal Services. How do I allocate memory so that any user who connects to this Terminal Server (from their thin-client) is allocated 2GB (or whatever amount I choose) of memory? Currently I have provisioned the TS with 2GB of memory but it seems that this is shared among all that connect. Please let me know if there is further information I can provide. Thank you. Update 1: What I'm looking to accomplish with this server is setting up a VDI to allow users to connect from thin-clients from within our network. They will also have to connect from outside our network via VPN which is already in place. Am I able to set this up using Windows Server 2008 (not R2) because I have a 16-bit application which needs to be supported. Unfortunately it's not a candidate as a Remote App.

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• Windows 7 keep internet connection after IPSec established

  - by mmc18

  How I can keep internet connection after establishing IpSec connection to server? I have followed to following link to establihed IpSec server http://rootmanager.com/ubuntu-ipsec-l2tp-windows-domain-auth/setting-up-openswan-xl2tpd-with-native-windows-clients.html then following the below one to connect this server from Windows 7 machine. http://confoundedtech.blogspot.com/2012/07/windows-l2tp-ipsec-vpn-connection-to.html I am able to connect and properly sending data. But after establihing IpSec conenction, my internet conenction is dropped. How I can keep both connection alive?

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• Can't start mysql server in xubuntu

  - by codeomnitrix

  Hey all i am using Xampp version 1.7.1 in xubuntu 10.10. I have installed it in /opt/lampp but problem is that whenever i try to start the server using sudo ./lampp start it shows: Starting XAMPP for Linux 1.7.1... XAMPP: Starting Apache with SSL (and PHP5)... XAMPP: Starting MySQL... Warning: World-writable config file '/opt/lampp/etc/my.cnf' is ignored Warning: World-writable config file '/opt/lampp/etc/my.cnf' is ignored XAMPP: Starting ProFTPD... XAMPP for Linux started. So what should i do?? Thanks in advance.

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• How can I set up OpenVPN to accept more than 60 connections?

  - by Robin

  Greetings! We're using OpenVPN and today hit an unexpected connection limit of 60 - even though max-clients is set to the source code default 1024. Server log: Tue Dec 21 13:49:41 2010 MULTI: new incoming connection would exceed maximum number of clients (60) We're slowly adding new clients to the VPN and expect to hit 200 some time next year, if we can get it working. We're running the server on a Win2003 R2. OpenVPN 2.0.9 Server config as follows: local 192.168.10.211 port 1195 proto tcp dev tun dev-node OpenVPN_Vision ca vision_ca.crt cert vision_server.crt key vision_server.key # This file should be kept secret dh vision_dh1024.pem server 192.168.211.0 255.255.255.0 ifconfig-pool-persist vision_ipp.txt ;server-bridge 10.8.0.4 255.255.255.0 10.8.0.50 10.8.0.100 ;client-to-client keepalive 10 120 comp-lzo ;max-clients 100 # Default in source code is 1024 persist-key persist-tun status openvpn-status-vision.log log vision.log verb 3 I would greatly appreciate any help or input on this one. Thanks! Best regards, Robin

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• Puppet claims to be unable to resolve domains even if domain properly resolves

  - by gparent

  I have a fairly simple puppet setup, one master and one node, both running Debian Squeeze 6.0.4. I have DNS entries for the two machines, client and master respectively. Both client and master's DNS entries resolve correctly on both machines to the right IPs. On my client, I have this configuration: [main] server = master.example.org logdir=/var/log/puppet vardir=/var/lib/puppet ssldir=/var/lib/puppet/ssl rundir=/var/run/puppet factpath=$vardir/lib/facter pluginsync=true templatedir=/var/lib/puppet/templates Key exchange seems to fail, according to this messages in /var/log/syslog: localhost puppet-agent[11364]: Could not request certificate: getaddrinfo: Name or service not known Why is resolution not working only for puppet?

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• Waht are the best proxy servers for Mikrotik router?

  - by niren

  I want to setup proxy server for my Mikrotik router. There is inbuilt web-proxy for Mikrotik router but I can extend this upto transparent proxy(kind of proxy server) only. We need High anonymity proxy so that we can hide our LAN static IPs(we don't have private IP) from outside Intruder/hackers. And also I know I can setup NAT rule to hide our IP(only private IP not public/static IP) as per this link, but I cann't hide static/public IP. Essentially I want to hide our Public/Static IP (there is static/public IP for all systems in our company) from outside Internet. To achieve this I guess I need other software apart from Mikrotik router gateway setup. can anyone suggest me Is there any other software to achieve my requirement? I know about squid proxy but am not sure whether It can hide our static/public IP. Note: we have assigned public/Static IP to all systems of our company since we have rights to access our company's system from anywhere by dedicated laptop(given by our company with more security) through VPN connection.

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• php startup error Invalid library (maybe not a PHP library) 'pcntl.so'

  - by And-y

  After searching for hours to solve my problem and found nothing helpful I ask my first question here. I want to compile and install php 5.3.17 cli with pcntl extension enabled on a Debian server. The installation was successfull but when I start php cli, the following error is displayed: PHP Warning: PHP Startup: Invalid library (maybe not a PHP library) 'pcntl.so' in Unknown\ on line 0 The following configure is used: './configure' '--prefix=/usr/share' '--datadir=/usr/share/php' '--bindir=/usr/bin' '--libdir=/usr/share' '--includedir=/usr/include' '--with-config-file-path=/etc/php5/cli' '--disable-cgi' '--enable-bcmath' '-- enable-inline-optimization' '--enable-mbstring' '--enable-mbregex' '--enable-pcntl' '--enable-sigchild' '--enable-shmop' '--enable-sysvmsg' '--enable-sysvsem' '--enable-sysvshm' '--with-mysql' '--with-imap' '--with-imap-ssl' '--with-kerberos' In the php.ini following options are set: extension_dir=/usr/lib/php5/20090626/ extension=pcntl.so I hope someone can help me.

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• Windows 8 mail cause event 529 when connect to exchange

  - by holian

  I set my company exchange mailbox in Windows 8.1 mail. (outsite). Everything works fine, but after i start the Windows 8.1 mail i get event with id 529 in the security log continously. Reason: Unknown user name or bad password Username: [email protected] range: Type of login: 8 Logon Process: Advapi Authentication Package: Negotiate Workstation Name: SERVERNAME Caller User Name: SERVERNAME $ Calling range BAR NUL Caller Logon ID: (0x0, 0x3E7) Caller Process ID: 4384 Transmitted services: - Source Network Address: 56.43.213.122 Source Port: 55 698 If i close windows mail, events stop flooding the security log in the server. Connection parameters in windwos 8: email:[email protected] password domain:company.local username:myemail server:mydomain.dyndns.org SSL:yes. Any idea whats the problem? I can check my mail, with the same setting on my android phone without any problem. Thank you

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• Testing UDP port connectivity

  - by Lock

  I am trying to test whether I can get to a particular port on a remote server (both of which I have access to) through UDP. Both servers are internet facing. I am using netcat to have a certain port listening. I then use nmap to check for that port to see if it is open, but it doesn't appear to be. Iptables is turned off. Any suggestions why this could be? I am eventually going to setup a VPN tunnel, but because I'm very new to tunnels, I want to make sure I have connectivity on port UDP 1194 before advancing.

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• Using a 3g usb dongle as Cisco router access point

  - by beakersoft

  We have an office opening, and we aren't going to have comms into the building when management want the building to open. Our only option (I think) Is to try and hook up a 3/4g dongle to something to act as the access point, and send all the traffic via that. The model of router we use wont support the usb dongle, so we need some sort of 'bridge' My idea was to build a Linux box, plug the dongle into that and then via the Ethernet ports plug the router in. We need the Cisco router in the equation as we create VPN connections over that back to head office. My question is will this work?

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