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• How to have internet connection over VPN while "Microsoft Firewall Client for ISA server" is running

  - by blocked

  I have the software mentioned in the title running on my machine. When I connect over VPN to my company's network, my internet connection gets borked, because somehow the ISA firewall blocks it. This is completely idiotic, because my work involves extensive use of the internet, so having to disconnect and reconnect continuously seriously cripples my productivity. (Meaning: I'm tearing my hair out here.) Can I have my VPN connection and somehow still have my internet connection too? I'm open to any solution.

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• How can I redirect URLs using the proxy module in Apache?

  - by LearningIT

  This seems like a super-basic question but I am having a hard time tracking down a straightforward solution, so appreciate any help and patience with me on this: I want to configure my Apache proxy server to redirect certain URLs so that, for example, a web browser HTTP request for www.olddomain.com gets passed to the proxy server which then routes the request to www.newdomain.com which sends a response to the proxy server which then passes it back to the web browser. Seems so simple, yet I don't see how to achieve this on Apache. I know Squid/Squirm offer this functionality so am guessing I am missing something really basic. I know I can use RewriteRule to dynamically modify the URL and pass it to the proxy server, but I effectively want to do the reverse, whereby the proxy server receives the original URL, applies the RewriteRule, and then forwards the HTTP request to the new URL. Hope that makes sense. Thanks in advance for any help.

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• retransmission of lost TCP segment

  - by tcpip

  What will happen in the following scenario (assume the connection is already established): (stack A) send 10 byte data (stack B) send ACK for 10 byte data (stack B) send 200 byte data (stack B) send 100 byte data (stack B) send 50 byte data (stack A) send ACK for 350 byte data and also send 70 bytes data This segment gets lost and does not reach machine B. (stack B) retransmit 200 byte data (step 3) (stack A) send ACK for 200 byte data and the next expected seq number as the one for 70 bytes data Question: Should 70 bytes data be also transferred with the ACK in step 8? Note that the retransmission timer for step 6 has not expired yet.

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• Disable/configure Back and Forward through mouse wheel in Internet Explorer

  - by Subtwo

  I have a problem with Internet Explorer (version 7 on Windows XP). Sometimes (not always) when you use the mouse wheel to scroll a page up/down it instead chooses to go back or forth in the web browsing history. This behavior is the same as when you hold the shift-key simultaneously using the wheel. My guess is that Internet Explorer somehow gets misled by something and thinks that I'm actually pressing shift. This is in turn maybe an artifact of the fact that this particular session is a remote-desktop session originating from Linux (Ubuntu). Needless to say the problem can be quite irritating and the alternative of completely turning off the wheel functionality doesn't seem like an option as other applications would suffer greatly from this. Anyway back to my question(s): Is it possible to map the shift+wheel to a simple wheel event for Internet Explorer? Is it possible to disable the shift+wheel event for Internet Explorer? Any suggestions are greatly appreciated.

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• Sniff packets using tcpdump

  - by denisk

  I have a completely noob question. I want to see all packets that come to my computer from particular site (google.com). So I start tcpdump sudo tcpdump -i eth0 host google.com and enter google.com in a browser and hit enter - nothing gets captured. I can't figure out why it happen. What do I do wrong? Edit It appeared that I was listening to the wrong interface. I had changed eth0 to any and it worked. It was ppp1 that needed listening. Thanks for your answers!

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• What is causing my internet to be slow on one laptop but not the other and only at a distance?

  - by Matt Case

  I have a newer laptop, purchased within the last year (acer aspire 7740). This laptop does not have any problem connecting to wireless networks and indicates that the signal strength is excellent on most of the wireless networks I connect to. When the laptop is within 10 feet of my wireless router it gets 30 down 10 up. When it is farther away than 10 feet it will be lucky to get 3 down and 1 up. I also have an older laptop, purchased in 2005, that has no problems at all at the same range. None of my phones, gaming consoles or tablets have this problem. I am beginning to think that the problem must be some hardware defect with the wireless card. I can provide additional information if needed. Just thought I'd check to see what others thought because I've been working on computers my whole life and have never heard of this happening. I have also tried to change the channels on my wireless router and have had no success with this idea.

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• How can I access a Web server in a VM from an iPad?

  - by Nick Haslam

  I have a virtual machine (running Windows Server 2012, if it's relevant), on VMware Workstation. It is running an Apache Tomcat web server, and I'm wanting to access that webserver from an iPad. Is this feasible, or even possible ? I have tried running Connectify Hotspot on the host machine, but that only gets me as far as being able to access a webpage on the host machine. It doesn't look to pass the connection through to the VM as they are on different subnets. Any thoughts are gratefully received.

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• Can't access dfs namespace over vpn

  - by cpf

  Hi Serverfault, I've recently configured 2 servers in AD on the same domain level. They are physically separated and permanently connected through a site-to-site vpn for dfs replication. All well, but when users connect to either site through vpn (from home e.g.) they can't use the domain level method: \\domain.com\data Internally this works perfectly, resolving domain.com when connected through vpn gets the correct IP. I've tried Google to figure things out. What I was able to find was that more people have this issue, no real solution found though. Can anyone explain why this is happening? Especially a solution would be really helpful! Thanks in advance.

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• Postfix sending mail back to itself? (Ubuntu 9.10)

  - by webo

  I setup Dovecot and Postfix using the "Dovecot-Postfix" package with SASL and all that. The Dovecot part seems to be working fine but I'm having issues with Postfix. Whenever I send a message to another address through the postfix server, two things happen. the message never gets to the other address (even when I request a delivery notification, it says that it's been delivered but it's not in the spam box in the other inbox or anything) The message comes back to my inbox through Dovecot as though I sent it to myself internally. e.g. I send an email through my postfix server to my gmail account, 10 minutes later nothing shows up in my gmail account but the message comes back to me as though I was sending it to my internal address (with no errors) Any ideas?

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• X11 forwarding from one server to other

  - by n3oblit7

  I have a setup where I need to forward X11 from my local machine (laptop) to a Virtual machine. The server hosting this VM cannot be reached directly from my laptop. I need to first login to a gateway and from this gateway, I can access the VM. How can I forward X11 from my laptop to this VM? I have tried following but these do not work: [laptop # ] ssh -X [gateway] [gateway # ] ssh -X [VM] [laptop # ] ssh -tX [gateway] ssh -X [VM] I could forward X11 only till the gateway. (DISPLAY variable gets set on gateway)

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• App / protocol to tune into live audio and video based on schedule or subscription

  - by Richard

  Many of us have embraced the podcasting revolution enabled by rss feeds and podcatchers. Alot of sites now broadcast live streams of what is eventually edited into a podcast. In most cases listening to the live stream gets you the info several days sooner then the podcast. So I was wondering if anybody knows of a notification protocol / app that allows me to auto tune into certain streams when they go live, or based on a schedule. I imagine twitter could be used for the notification but It'd be better not to be tied to a proprietary service. Example podcasts / live streams noagenda.squarespace.com jupiterbroadcasting.com twit.tv

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• How do I assign a MBP's Mission Control button (F3) for use in Windows 7?

  - by Everett

  I have a recent Mac Book Pro that I triple boot (OS X, Win7, BT5). I'd like to use the Mission Control button (F3) in Windows 7 on my MBP to call Dexpot's "Windows Catalog." Does anyone know of: 1) A setting in Windows (Registry adjustment, etc) that I could assign for this to work? 2) A setting in Dexpot that would configure this? 3) A piece of software that does this? My preference for the answer is in the order above. If I get multiple answers, the one that works, that is posted first, that does what 1) states, gets selected. If 1) won't work, I'll select from answers to 2), etc...

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• Does OEM partition stores Windows 7 serial key ?

  - by Mahesha999

  Does OEM partition stores the serial key which is grabbed by the Win 7 setup done from the disk provided with laptop. I realized that when you install clean system from Windows 7 disk you get with laptop, it grabs the serial key or it doesn't ask one. So from where it gets that serial key. Is it the OEM partition or anything else? Or the recovery partition stores the key? What all the things these two partitions do store in them?

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• iptables: How to create a rule for a single website that does not apply to other websites?

  - by Kris

  Virtual Dedicated Server hosts 10 websites. 1 firewall made with iptables If one of those 10 websites gets hit by too many ping requests coming from one IP address, how do I limit or drop it without dropping it for the other 9 websites? Do I create a firewall for every website ? If so, how? Or is it better to change my rules? If so, how? Thank you. Original question was posted here iptables: what's best practice when there're several websites but you want to use a rule for a single website? but it was too vague. Let me know if more info is needed.

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• AuthInfoRequired cups overwrites

  - by mooscape

  My problem is basically identical to the following: http://bbs.archlinux.org/viewtopic.php?id=61826 Put simply, I have a machine in ubuntu trying to connect to another ubuntu machine via a network in order to use the printer attached. There is no problem printing until I restart the guest machine. Immediately it overwrites the printers.conf file (under /etc/cups/printers.conf). It always adds the same line: AuthInfoRequired username,password I stop cups and change it to *#*AuthInfoRequired username,password to comment out the command. Start cups. Works great 'til the next shutdown. Then it gets overwritten again. Googling indicates it may be GTK problem and not CUPS, but I have found no permanent solution to date. Any suggestions appreciated ....

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• Network Printer Issue.

  - by goldenmean

  Hello, I have a Windows-7 Desktop at office. There is a network printer Dell MFP2335dn which is installed on this dekstop. The printer worked fine for me(I could print from my desktop), sometime back but recently i am not been able to print. When i give a print job, it stays in the queue for a long time, nothing gets printed. When i see the status of the printer in "Devices and Printers", it says - Offline. I removed the printer installed on my Desktop, and tried to install the drivers downloaded from Dell website: http://support.euro.dell.com/support/downloads/download.aspx?c=uk&l=en&s=gen&releaseid=R241894&formatcnt=0&libid=0&typeid=-1&dateid=-1&formatid=-1&source=-1&fileid=349205 But still the same problem. I don't know what to do more to resolve this. Any pointers about how to resolve this error and get printing done. thanks, -AD.

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• Is visiting HTTPS websites on a public hotspot secure?

  - by Calmarius

  It's often said that HTTPS SSL/TLS connections are encrypted and said to be secure because the communication between the server and me is encrypted (also provides server authentication) so if someone sniffs my packets, they will need zillions of years to decrypt if using brute force in theory. Let's assume I'm on a public wifi and there is a malicious user on the same wifi who sniffs every packet. Now let's assume I'm trying to access my gmail account using this wifi. My browser does a SSL/TLS handshake with the server and gets the keys to use for encryption and decryption. If that malicious user sniffed all my incoming and outgoing packets. Can he calculate the same keys and read my encrypted traffic too or even send encrypted messages to the server in my name?

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• Connecting desktop computer to the internet through laptop wifi

  - by Josh

  Due to some home network complications I have had to move my router to a seperate part of the house, therefore the wired network I had set up can no longer work. Before I find the time to go out and buy a Wifi adapter for my desktop PC, I have a laptop that uses a built in Wifi card to connect to my router and this can connect to the internet, and I was wondering if I could somehow access the internet on my desktop PC via my laptop. I'm hoping for a not-so-complex solution as this will only be set up for a few days, but it is quite vital that my desktop computer gets internet access. Does anyone have experience in this sort of thing and can help me out? Thanks.

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• Display Resolution Getting Changed Automatically (sometimes) - Win7x64 - Asus M3A78-EM

  - by kamleshrao

  AMD PC Motherboard - Asus M3A78-EM (installed VGA drivers from Asus website - AMD_VGA_V863200_XPVistaWin7.zip) It has VGA and HDMI inbuilt ports (ATI Radeon HD 3200 Graphics 256MB) VGA is connected to my ViewSonic Monitor. HDMI is connected to LG LCD TV OS - Windows 7 x64 Ultimate Sometimes, when I reboot/start my PC, my ViewSonic display resolution changes and does not show the recommended value(1440x900) in Resolution Settings. The HDMI display works well always. But after multiple reboots/starts, the problem gets fixed automatically and I get back my recommended resolution on ViewSonic display. I am not making any changes to the existing drivers. It sometimes work well, and sometimes doesn't work. Can someone assist me resolving this permanently.

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• Installing Windows XP with pre installed Windows 7

  - by user243680

  Hello! I want to install Windows XP on my dell laptop which has pre installed Windows7 on it. I want windows Xp on my system because of my project issue. Now the problem is Windows7 does not allow to install Windows Xp on my system. I dont mind if windows 7 gets replaced by Windows XP,all i want is windows XP on my system.I am not getting the way to install XP. Can anyone guide me how to install Windows XP on my laptop? i need an urgent help.

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• Outlook keeps dropping 'Other Calendars'

  - by David Gard

  We run Exchnage 2010 with Outlook 2007, and we have public calendars that users are able to 'Add to favorites...' - these are then shown under 'Other Calendars' when a user clicks their 'Calendar' tab. The issue we are having is that these calendars drop off every now and again. Looking under 'Public Folders - Favorites', I can see that the calendars are there, but Outlook doesn't seem to know that they are calendars any more. Simply clicking on one of them to open it changes the icon to that of a 'Folder containing calendar items' for each of the favorite items, and closing and reopening Outlook gets them back under 'Other Calendars' My question is this - how can I make Outlook stop forgetting that these public folders are calendars? Thanks.

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• Can irssi ignore the 24h dsl-reconnect

  - by mcnesium

  A couple of weeks ago I had to switch my ISP from cable to DSL. Now I have this ridiculous disconnect and reconnect every 24h. It's no big deal insofar as having a new IP address every day, but for one exception. Since I host my irssi screen on a machine inside the LAN, my history gets affected by the reconnect in terms of a topic announcement, the users in each channel, creation date and so on. It's about 10 lines of redundant content every day. This is annoying especially in channels with very little traffic, because you hardly see the actual content in line with the every-day-junk. So I was wondering if I can tell irssi to silently ignore the reconnection details, so that my only meta-content in each channel goes back to "Day changed to ...", like back in the days of cable-internet.

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• Troubleshooting an iMac

  - by Matthew

  What can I do to fix my iMac? When I start it up, it just loads forever (never getting to the Desktop). The mouse will appear then disappear, then the loading bar will sometimes appear and then disappear and it just goes in circles forever. If I start up in safe mode (by holding shift), it gets to the login window. However, if I attempt to log in the login window disappears and reappears asking for my password again. What can I do to troubleshoot this?

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• Data loss with roaming profiles on login on two different computers

  - by Jurriaan Pijpers

  We have a Windows server 2003 system with Active Directory and all of our users have roaming profiles. One of the users let someone login with his username and password on a different computer (2) while he was working on his own computer (1). Now when this user logs in on his own computer (1), the profile that is loaded is one that dates back many months (i think from the last time he logged on to computer 2). My suspicion is that the profile that was cached on computer 2 from many months back when this user last logged on on this computer, on logoff, synced over the newer profile on the server. so that now when he logs in, he gets this old profile. Now my questions: Is it possible to retrieve te newer profile? Is it possible to keep this from happening in the future?

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• Merge Publication Data Partition Snapshot generation

  - by David Osborn

  I have a merge publication in SQL 2008 R2 with data partitions and I am wondering when I should generate the snapshots for the data partitions. I get an error sometimes when bringing a new subscribe online related to the partition snapshot being out of date and I am wondering if this has to do with the publication snapshot being scheduled at the same time as the partition snapshots. I'm not really sure how the partition snapshot gets generated, but it appears maybe it is getting generated before the publication snapshot. If this is the case how should I be scheduling the partition snapshots to get generated? Should I set them to run x number of minutes after the publication snapshot? this seems kind of poor to do in case the publication snapshot takes awhile or fails. It seems to me the publication snapshot should just run the data partition snapshot agents when it is done if this is the case.

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