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• Server 2012r2 VPN DNS

  - by Tyron Gower

  Have an issue where onsite clients cannot resolve VPNusers. but VPN users can resolve onsite machines. example. USER! uses LAPTOP1 USER1 connects to VPN gets internal IP address of 10.243.0.200 USER1 pings SERVER1 - resolve to ip and gets reply USER1 RDP into SERVER1 (inside VPN) USER1 pings LAPTOP1 from SERVER1 resolves to ip address last assigned by DHCP (10.243.0.139) ping fails USER1 pings 10.243.0.200 from SERVER1 gets reply. Running Server 2012r2 It is a domain controller, DNS and VPN server. VPN is just configured with basic default settings. All VPN users have static IP setup in AD. Not sure where to go from here.

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• Cannot access internal network on OSX 10.6.6

  - by cabuki

  Last week, I began having trouble connecting to our internal web servers. Usually, a refresh would take care of it or switching to a different wireless network, but as of yesterday, this wasn't enough. We have an internal DNS server using dnsmasq and a private internal host name (us.lcl). Once I started having more issues with the names not resolving, I tried pinging the server. Using the internal host name (s1.us.lcl), it failed. I tried using the IP address, but that also failed. I have no problems accessing external sites with the exception of it being a bit slower than normal. A reboot yesterday at lunch time after following the instructions here seemed to fix the issue, but when I came into the office this morning, it had stopped working. As of this posting, I cannot ping, ssh or access the web server using the internal host name or ip address. I'm the only one running 10.6 in my office and none of my colleagues has this issue.

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• Why can't my FreeBSD 6.1 (vmware player client under Win7) do DNS in Bridged mode.

  - by Walter Stickle

  I have a 64-bit FreeBSD 6.1 client, running under Windows 7 (64-bit) via VMWare player 3.0, with networking set to bridge mode. DHCP goes fine on boot... I get correct adress/gateway/nameserver info... I have good connectivity to the world in that I can ping any host I can name by IP addr, (including both of the nameservers in resolv.conf,) ...but I can't resolve any names. Inside the Windows box, the network interface has VMWare Bridge Protocol enabled, and the windows side of things has full connectivity. dig replies with: ;; connection timed out; no servers could be reached ...even if I use "dig @server_ip_addr" to point it at a pingable, working nameserver If I set VM networking to NAT mode, I can get outbound connectivity (with happy DNS) but, of course, can't do INBOUND connectivity, which I need. Thoughts?

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• VPS with Debian Squeeze cannot forwward email - Name service error for name=gmail.com type=MX: Host not found, try again

  - by Domagoj

  I have postfix set-up on my Debian VPS, I can: send emails receive emails on my server But forwarding emails from my server to gmail does not work! I configured google's DNS through /etc/resolv.conf I can ping google.com and with dig I also find gmail MX records. But when my server tries to forward email to gmail (setup with /etc/aliases) I get the following error: postfix/smtp[20280]: 825E117BA8A80: to=<[email protected]>, orig_to=<[email protected]>, relay=none, delay=40, delays=0/0.01/40/0, dsn=4.4.3, status=deferred (Host or domain name not found. Name service error for name=gmail.com type=MX: Host not found, try again) What am I missing? Any help will be greatly appreciated!

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• How to set up VPN connection? Virtual Box 3.1.4 installed. Host - Snow Leopard(Mac) Guest - Windows

  - by user31954

  I have Virtual Box 3.1.4 installed. Host - Snow Leopard(Mac) Guest - Windows 7 (32-bit). I have installed Windows on my MAC because I need it for work. I cannot establish VPN connection (using NAT). I tried to use bridged adapter, and I lost my internet connection on my guest(wind7) completely. I don't know much about networking, so I need detailed instructions for his particular OSs. Could someone please help me with this? Some random details about my attempts: On my host Windows I get error 800 trying to VPN. I can ping server address from my guest Win 7 and I have VPN connection established from my host Mac. I do disable VPN on my Mac when tying to establish it through guest. I tried to VPN from Mac and see if Guest sees it. It doesn't. Thank you!

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• linux static ip problem

  - by out_sider

  I have a serve running centOS and I'd like to have the following setup: The server needs to have a static ip and be accessible by name. What I want is independently of the network being able to connect the server to the network and access it by name on Firefox as it will be running a web page. I tried setting the ip manually but while the inet addr is set as I want it the Bcast isn't. And I only can ping the server on the Bcast ip and because it is 192.168.2.255 ssh says it's not valid.

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• How can I solve Windows PPTP VPN issues?

  - by Robin M

  I'm having persistent problems with Windows PPTP VPN connections. The VPN appears up whilst the tunnel won't transfer traffic (ping to a remote IP within the VPN works for a while, and then fails). The client receives routing information via DHCP. When the connection fails, the routing table is still correct so I don't think it's a routing problem. My internet connection is via an ADSL2 line. There's software to deal with PPTP problems, like TunnelRat, but I don't want to install v1.1 of the .NET framework and I'd rather get to the bottom of the problem (I have multiple VPN connections and some are more unreliable than others). What can I do to get to the bottom of this? Alternatively, what can I do to keep the connection alive?

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• Error code 0x80070035. The network path was not found

  - by user144606

  My system is connected with a local LAN connection with 30 PC's. I'm not able to access the shared drive in the network, but I'm able to ping the IP address in which the drive is present. I have checked to start all the services, which are to be started and i have check the TCP/UDP ports also, but even after that I'm not able to access the drive, the same error message is being displayed again and again. Please help me to rectify the problem. I'm trying to solve the problem for the last 1 week. I have tried various solutions which are present in various web site, but I'm not able to find a proper solution. So please help me.

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• Setting primary IP for VPS (out of 2 available)

  - by Flyer

  I've got a little problem. My VPS (Debian box) has 1 primary IP address, but now my hosting provider decided to assign me another one due to problems with first one. Let's say new IP is 91.222.152.20 and old one 91.221.190.170. How should I make 91.222.152.20 primary one, so that everything works on this address instead of 91.221.190.170 (like ftp, mysql etc) I tried editing /etc/newtwork/interfaces setting iface eth1 inet static address 91.222.152.20 netmask 255.255.252.0 network 91.222.152.0 broadcast 91.222.155.255 gateway 91.222.152.1 I know that network is 91.222.152.0/22 so I assume that above configuration should be right. Saved, rebooted and that ended pretty bad. Couldn't even ping box on old or new IP. Had to revert to working one. So question is. What am I doing wrong and how to do it right?

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• Howto setup a `veth` virtual network

  - by Reinder

  I'd like to setup three virtual network interfaces (veth) which can communicate with each other. To simulate a three node cluster, each program then binds to one veth interface. I'd like to do it without LXC if possible. I tried using: Created three veth pairs: sudo ip link add type veth Created a bridge sudo brctl addbr br0 Added one of each pair to the bridge: sudo brctl addif br0 veth1 sudo brctl addif br0 veth3 sudo brctl addif br0 veth5 Configured the interfaces: sudo ifconfig veth0 10.0.0.201 netmask 255.255.255.0 up sudo ifconfig veth2 10.0.0.202 netmask 255.255.255.0 up sudo ifconfig veth4 10.0.0.203 netmask 255.255.255.0 up Then I verified if is works using: ping -I veth0 10.0.0.202 but it doesn't :( The I added IP addresses to the veth1,veth3,veth5 and br0 interfaces in the 10.0.1.x/24 range. But that doesn't help. Any ideas? or a guide, all I find in how to use it with LXC. Or am I trying something that isn't possible?

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• Ubuntu Wired network(ethernet does not work)

  - by badnaam

  It was working just fine, until the other day I yanked it out. The wireless works just fine on the same router. If I login to a windows 7 instance on this dual boot laptop then the ehternet works just fine. So it's not a hardware, cable or router issue. The card even gets an ip, but I can't connect to the internet. Here are the details from route, iptables, ifconfig, ping etc. Any ideas? I have been struggling with this for day, none seems to have an answer. http://pastie.org/954816

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• IIS: Can't access my site

  - by Markus

  Hi I have Windows 7 Professional. With IIS 7 or 7.5 I have set up a little website. So far all works fine on http://Localhost:80 - I can see the site. Then I set up the firewall so port 80 is open. My Router routes TCP:80 to my pc. But from my second pc I cant access the site. I can ping the other pc but why I can't access the page through the LAN? Please help!

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• Why can't I access a webserver through a load balancer on my local network?

  - by Karptonite

  When I try to use curl (or wget, lynx, etc) to connect from a server on our local network to our website, which is on a local server behind a CoyotePoint load balancer, curl fails. Ping does not have this problem. When I curl directly to any of the servers behind that load balancer (from and to the same local network), I also have no problem. It doesn't matter whether the local server I'm curling from is behind the load balancer or not. Does anyone have any idea why I can't access my webserver through the load balancer on my local network?

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• Sync Linux to Windows 2003/2008 Natively

  - by user26753

  Without using any external packages for Windows, can Linux synchronise it's clock to a Windows 03/08 Server natively? I've tried it using various NTP packages for Windows but would like to use just Windows software for this. EDIT: I've tried the below however it doesn't work. I've put TimeSource in /etc/hosts, stated server TimeSource in /etc/ntp.conf however when I do a service ntpd start it doesn't sync (it's 3 minutes out at the minute). I then stopped the NTPD and did a ntpdate TimeSource, thinking it would sync and then I'd start the NTPD once it's got the time, and it says: no server suitable for synchronization found. Though I can ping it. Any thoughts?

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• Home Wifi: wireless laptop cannot RDC to wired desktop (both windows 7)

  - by James_Smith

  Hi, Both laptop and desktop are connected to same wifi router. desktop is connected through wire and laptop is on wifi. Both Pcs are running windows 7 and can ping each other and are in same workgroup. When I try to RDC my desktop on my laptop, it connects to the desktop and shows the windows credentials screen. An admin user (J) with same password exists on both PCs. But it gives an error "the user name or password is incorrect" However when I RDC the laptop FROM desktop using the above steps..it works perfectly wel! The same credentials issue comes with Shared folders. What am I doing wrong?

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• Problem with the hosts file in Windows XP

  - by waldev

  I have a computer with Windows XP SP2 with a weird problem. The hosts file doesn't work. No matter what I do, adding or removing entries in the file doesn't make any difference, pinging the added names times out. I tried flushing the DNS cache (using ipconfig /flushdns) but that didn't work, I even tried to restart the DNS client service but that made no difference too. Removing entries also has no effect, I ping the names and I get a reply. Help!!! Edit: Thanks for your answer guys, but the problem is more complicated than this. It seems I'll have to reinstall Windows.

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• Script to restart BlackBerry services

  - by ICTdesk.net

  Can somebody give me a script advice/example of how to restart services? I have to restart 17 services, but the first 4 services have to be in the right order and after the restart command is given to one of the services, the next one should be started when the previous one is finished. I know I can restart a service by net command, and I can build a delay by for example a ping command that repeats for an x amount of times, but I never know in advance how long it is going to take for a service to restart. Thanks, Kindest regards, Marcel

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• Destination host unreachable

  - by user1010101

  I have 2 router connected to 1 switch which contains two vlans, 1 router has the ip table of vlan1 and the other router have the ip table of vlan2 I have trunked both router cable to the switch. I have set 1 ip table per router which correspond to the ip address of the PC that have this router address as a gateway. When I ping from 192.168.100.2 to 192.168.200.2 it tells me that destination host is unreachable and the message is from the router 192.168.100.1. So I guess router for 192.168.100.x does not see the router for 192.168.200.x , right ? Or am I wrong ? What are good troubleshooting steps ? http://i.imgur.com/b94Ir.png is the representation of the network, i cannot post image since im not reputated enough.

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• SFTP sending files between laptops on Ubuntu

  - by twigg

  I want to transfer files between two Ubuntu systems using SFTP. I have got it set-up and I can connect to the other laptop, ping it and see its file list using sftp> dir. I can see the files on the other system. But when I call get filename.deb it comes up saying Fetching /home/user/filename.deb to filename.deb 0% 0 0.0KB/s --:-- ETA and then drops back to the sftp command promote without transferring anything. Have I missed something?

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• Vista Home Premium won't connect to network.

  - by Ice

  I deinstalled some software (e.g. some Toolbars for IE and Norton security suite, because the free trial period of 60 days is run out and so i want to switch to microsofts free security essentials). But now i cannot connect to the network again: Neither over LAN nor over WiFi. Neither with standard DHCP ON (sets a 169.254.x.y address) nor with fixed IP-Address. No error during changing the settings. Ping to the Gateway e.g. doesn't work and gives "generall failure". The DHCP-Client sets no IP-Address. There is allways only 'local access' on every network-connection. i ran out of ideas, please help. UPDATE per 2011-03-11: I followed each and every hint but nothing changed. I did a research on microsofts homepage through all the sites belonging to network but nothing helped. What can i do next?

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• Name-based virtual hosting in Apache

  - by malvikus

  I'd like to set up name-based virtual hosting in Apache, but I don't have DNS name (local private network). Thus I want to get something like that: http://192.168.0.1/wiki - First virtual host - wiki. http://192.168.0.1/redmine - Second virtual host - redmine. As I suggest I can be achievable by using ServerName option in section of both vhosts. But in Apache documentation has no mention that I can use for FQDN IP-addr. Is it possible? How can I reach my wishes? P.S.: I want to share my sites on the same subnet only. Thus any who can ping me can enter http://my_ip/wiki and get wiki, http://my_ip/redmine and get redmine.

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• Virtualbox share guest (windows xp) printer to host(linux)

  - by M0E-lnx

  I have a weird situation. I own a printer that has 0 support in linux, but of course, it works in windows. So I have installed VirtualBox 3.1.2 with guest additions to provide access to my usb devices. I have successfully setup the printer and the guest os can print fine. Now, the question is: Is there any way to make this printer accessible to the host OS? I noticed that the guest OS takes an ip address of 10.0.2.15, but when I try to ping that address from the linux host, it goes nowhere. No response. Has anyone here done this before? can anyone think of a way to do this?

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• Realtime website slowness (PHP/MYSQL)

  - by 3s2ng

  We got a website with realtime transactions. The past few days we experienced some slowness during a period of time. Usually the slowness last for 5 minutes. And also during the slowness we noticed that sometimes we can not connect to SSH and FTP or sometimes very slow to connect to those services. Currently we are trying to identify the issue. We already setup database monitoring tool. Now are about to signup with pingdom.com My question is. If the website is too slow due to the database (table or row lock) will it affect the other services like SSH and FTP? Does the ping correlates the page load and the connection between my PC and server? Thanks, Mark

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• IIS is not accepting connections after WIndows system update

  - by user78102

  I've been running a web site for the past year on Windows Home Server 2008 R2. After the March 2012 system updates, the site is no longer accessible to clients. They see this error: website is online but isn't accepting connections. Ping tests to the FQDN of the server are successful and NSLOOKUP returns the correct result. The Internet connection tests out good from the server. I have not changed my internet connection (Comcast Business Internet) or my router configuration (I forward incoming requests from the outside to port 80 of the local IP address of the server). I have tried: Disabling the Windows Firewall. Rebuilding the OS and configuration. I still have the problem. How can I resolve this?

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• CentOS running inside VMware as WebServer times out on outside connection [migrated]

  - by Tom Hart

  I have a CentOS machine running inside VMware, and I have got PHP and Apache set up on it, so if I open a browser (on the VM) and go to either localhost, or 192.168.0.3, I get a phpinfo page I made in /var/www/html/index.php, but, if on the host (Windows 7), in my browser I go to 192.168.0.3, it times out. I can ping the IP address from Windows and get a response, I just can't through the browser. Does anyone have any ideas what I need to do to get this working? This is my first time using a VM and I'm getting lost in the network settings.

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