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  • Silverlight Cream for April 23, 2010 -- #845

    - by Dave Campbell
    In this Issue: Jason Allor, Bill Reiss, Mike Snow, Tim Heuer, John Papa, Jeremy Likness, and Dave Campbell. Shoutouts: You saw it at MIX10 and DevConnections... now you can give it a dance, John Papa announced eBay Simple Lister Beta Now Available Mike Snow posted some info about and a link to his new Flickr/Bing/Google High End Image Viewer and he's looking for feedback From SilverlightCream.com: Hierarchical Data Trees With A Custom DataSource Jason Allor is rounding out a series here in his new blog (bookmark it), and he's created his own custom HierarchicalDataSource class for use with the TreeView. Space Rocks game step 11: Start level logic Bill Reiss has Episode 11 up in his Space Rocks game ... working on NewGame and start level logic Silverlight Tip of the Day #3 – Mouse Right Clicks Mike Snow has Tip 3 up ... about handling right-mouse clicks in Silverlight 4 -- oh yeah, we got right mouse now ... grab Mike's project to check it out. Silverlight 4 enables Authorization header modification Tim Heuer talks about the ability to modify the Authorization header in network calls with Silverlight 4. He gives not only the quick-and-dirty of how to use it, but has some good examples, code, and code results for show and tell. WCF RIA Services - Hands On Lab John Papa built a bookstore app in roughly 10 minutes in the keynote at DevConnections. He now has a tutorial on doing just that plus all the code up. Transactions with MVVM Not strictly Silverlight (or WPF), but Jeremy Likness has an interesting article up on MVVM and transaction processing. Read the post then grab his helper class. Your First Windows Phone 7 Application As with the First Silverlight App a couple weeks ago, if you've got any WP7 experience at all, just keep going... this is for folks that have not looked at it yet, have not downloaded anything... oh, and it's by Dave Campbell Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • How do I manage the technical debate over WCF vs. Web API?

    - by Saeed Neamati
    I'm managing a team of like 15 developers now, and we are stuck at a point on choosing the technology, where the team is broken into two completely opposite teams, debating over usage of WCF vs. Web API. Team A which supports usage of Web API, brings forward these reasons: Web API is just the modern way of writing services (Wikipedia) WCF is an overhead for HTTP. It's a solution for TCP, and Net Pipes, and other protocols WCF models are not POCO, because of [DataContract] & [DataMember] and those attributes SOAP is not as readable and handy as JSON SOAP is an overhead for network compared to JSON (transport over HTTP) No method overloading Team B which supports the usage of WCF, says: WCF supports multiple protocols (via configuration) WCF supports distributed transactions Many good examples and success stories exist for WCF (while Web API is still young) Duplex is excellent for two-way communication This debate is continuing, and I don't know what to do now. Personally, I think that we should use a tool only for its right place of usage. In other words, we'd better use Web API, if we want to expose a service over HTTP, but use WCF when it comes to TCP and Duplex. By searching the Internet, we can't get to a solid result. Many posts exist for supporting WCF, but on the contrary we also find people complaint about it. I know that the nature of this question might sound arguable, but we need some good hints to decide. We're stuck at a point where choosing a technology by chance might make us regret it later. We want to choose with open eyes. Our usage would be mostly for web, and we would expose our services over HTTP. In some cases (say 5 to 10 percent) we might need distributed transactions though. What should I do now? How do I manage this debate in a constructive way?

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  • Ubuntu Server 12.04 LTS on Hyper-V 2012

    - by user137533
    I have the following scenario: Hyper-V 2012 server core installation. On top of this i created a virtual machine on which i tried installing Ubuntu Server 12.04 which should not have any compatibility issues according to what Microsoft and Ubuntu are saying (although it is not officially supported). I start, run the installation and everything is ok, no problems detecting the network device or the hard drive (unlike debian which didn't even detect the hard drive). Once the installation is complete it asks me to reboot, it unmounts the "dvd drive" and reboots. Once it tries to start again i get the following error: Boot failure. Reboot and Select proper Boot device or Insert Boot Media in the selected Boot device. It seems to not be booting up from the virtual hard drive. The hard drive is set up in SCSI mode, nothing mounted on the IDE controller (no iso image or anything else. Does anyone have any ideas on what i can do to solve this?

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  • Router stopping my python server

    - by drfrev
    This was originally posted in stackoverflow.com but it was suggested I move it here after it was realized it wasn't my code that was wrong. So my problem, very simply, is that I cannot get my computers that are connected to my router to communicate. example: If I ping a wireless computer I get no responce and the Request times out If I ping a computer wired to the modem directly it works fine. When I ping I use the local ip for each case. *if it helps my original post is here: http://stackoverflow.com/questions/12593024/python-cannot-go-over-internet-network/12593361#12593361 And some screen shots of different things are here: http://imgur.com/a/jUZ4G#3 thank you, any help is greatly appreciated. NOTE I am heading off to bed now, so I will respond around 6:00 AM EST if anyone posts some help

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  • OpenVPN not with Windows 7 PCs on client Lan

    - by Rohan
    I have a setup with a router running OpenWRT with an openvpn client. Windows 7 pc's cannot access the vpn. They time out trying to access servers on the VPN. The mystery to me is that the setup works fine for my laptop running ubuntu. I can access the VPN without any issues. I previously had a router running Tomato with the same openvpn setup and all the computers could access the VPN. What could account for the difference in behaviour? Is there something I am missing in the OpenWRT setup that is required for windows networking that is on by default with tomato? To clarify the OpenVPN client is on the OpenWRT router. The client connects to the OpenVPN server. But when I try to access the VPN from Windows computers on my network I cannot.

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  • Felix Baumgartner Skydives from the Edge of Space [Video]

    - by Jason Fitzpatrick
    Yesterday Felix Baumgartner broke the record for highest skydive by leaping out of a capsule 128,100 feet above the Earth. Check out his jump in the following videos. After flying to an altitude of 39,045 meters (128,100 feet) in a helium-filled balloon, Felix Baumgartner completed a record breaking jump for the ages from the edge of space, exactly 65 years after Chuck Yeager first broke the sound barrier flying in an experimental rocket-powered airplane. Felix reached a maximum of speed of 1,342.8 km/h (833mph) through the near vacuum of the stratosphere before being slowed by the atmosphere later during his 4:20 minute long freefall. The 43-year-old Austrian skydiving expert also broke two other world records (highest freefall, highest manned balloon flight), leaving the one for the longest freefall to project mentor Col. Joe Kittinger. The above video is a 2 minute highlight reel of the ascent and jump; check out the full 15 minute descent video here. For an in-depth look at the technology used to keep Baumgartner safe during his record setting journey, hit up the link below. The Tech Behind Felix Baumgartner’s Stratospheric Skydive [ExtremeTech] HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems

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  • Log application changes made to the system

    - by Maxim Veksler
    Hello, Windows 7, 64bit. I have an application which I don't trust but still need to run. I would like to run the installer of this application and later on the installed executable under some kind of "strace" for windows which will record what this application did to the system. Mainly: What files have been created / edited? What registery changed have been made? To what network hosts did the application tried to communicate? Ideally I would also be able to generate a "UNDO" action to undo all the changes. Please don't suggest full Virtualization solutions such as Virtualbox, VMWare and co. because the application should run in the host system (A "sandbox" approach will OTHO be accepted, IMHO). Do you any such utility I can use? Thank you, Maxim.

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  • Trying To Uninstall Exchange 2007 From Server - Stuck On "Mailbox Role Checks"

    - by Matthew Hodgkins
    Hi All, I am trying to uninstall Exchange 2007 on a secodary server which has been decommissioned for quite a while (cleaning up after an old Network Admin). The only roll the server had was "Mailbox Role" (the primary server also has this). I have tried uninstalling using Programs and Features GUI tool but that hung on Mailbox Role Checks. I then tried uninstalling Exchange by running Setup.com /mode:uninstall. It has been stuck on 1% of "Mailbox Role Checks" for over 3 hours now. Is there any other options I have for uninstalling Exchange 2007 so the old server can be removed from the Exchange Management console?

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  • Windows Deployment Services

    - by timbrigham
    I have a slightly advanced Windows Deployment Services setup. My router hands out DHCP addresses, including the following config. ip dhcp pool Servers_100 network 192.168.100.0 255.255.255.0 bootfile boot\\x86\\pxelinux.0 next-server 192.168.100.50 default-router 192.168.100.1 dns-server 192.168.100.80 192.168.100.81 This works perfectly for other subnets - I have a couple screens in my pxelinux that allow me to select my various Linux installers or enter the windows preboot environment. For some reason I'm only receiving the default bootfile that opens to the windows preboot environment. Any idea why?

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  • Windows 8 Pro Remote Desktop issue

    - by Mike C.
    I have a weird issue here. I'm running Windows 8 Pro. The client computer is also running Windows 8 Pro. Remote Desktop works when I'm in the same network. I tried connecting using my external IP Address and my DynDNS account, neither works. I disabled Windows Firewall and setup DMZ for my computer on the router, still can't get remote desktop to work. I verified www.canyouseeme.org, port 3389 is open, which is obvious since I'm running DMZ! My ISP, Bell Canada (modem/router: Sagemcom F@st 2864), blocks port 80 and 25, but I don't need those for RDP, do I? The funny thing is RDP rejects the connection instantaneously for my IP or DynDNS while it takes a while for another address. Thank you, Michael

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  • Silverlight Cream for June 09, 2010 -- #878

    - by Dave Campbell
    In this Issue: Andrea Boschin, Emiel Jongerius, Anton Polimenov, Andrew Veresov, SilverLaw, RoboBlob, Brandon Watson, and Charlie Kindel. From SilverlightCream.com: Implementing network protocol easily with a generic SocketClient Andrea Boschin has a post up at SilverlightShow about the SocketClient class and how to use it to implement a POP3 client ... source project included Passing parameters to a Silverlight XAP application Emiel Jongerius describes the two ways to pass parameters to your Silverlight app, with detailed code examples. WP7: What is Windows Phone 7 Anton Polimenov is beginning a WP7 series at SilvelightShow with this backgrounder article. I'm not sure where all of the info came from, but it's an interesting starter. Initialization State Manager Andrew Veresov has a post up discussing storing and managing state in your Silverlight app. The code isn't ready for prime time but it's available. How To Rotate A Regular Silverlight 3 and 4 ChildWindow SilverLaw responds to a forum post about rotating a child window. He's got a Silverlight 3 version on Expression Gallery, and describes the same in Silverlight 4 in this post. Silverlight MergedDictionaries – using styles and resources from Class Libraries RoboBlob has a very clearly-written post up about merged dictionaries, all the things possible with them, and all the code for the project. New Policies for Next Gen Windows Phone Marketplace Brandon Watson has an article up discussing the WP7 phone Marketplace. Lots of specifics and links out to more info... a definite read. Hey, You, Get Off of My Cloud Charlie Kindel has a post up describing the concept of a beta distribution channel through the WP7 Marketplace... another definite read. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • SQL SERVER – Simple Installation of Master Data Services (MDS) and Sample Packages – Very Easy

    - by pinaldave
    I twitted recently about: ‘Installing #sql Server 2008 R2 – Master Data Services. Painless.‘ After doing so, I got quite a few emails from other users as to why I thought it was painless. The reason was very simple- I was able to install it rather quickly on my laptop without any issues. There were a few requests along with these emails sent to me, which regards to how to install MDS, as well sample databases. Please note that I am the admin of my machine and I installed this MDS as the admin as well. Talk to your network administrator to figure out the best suitable settings for better security of login users. Additionally, since MDS is only supported on a 64-bit machine, I had rebuilt my computer a week before with a 64-bit OS and 64-bit SQL Server to go with it. Here is a quick picture tour of the installation. First of all, go to your SQL Server 2008. Install self-extracted folder and find the .msi file for C:\1033_enu_lp\x64\setup\masterdataservices.msi. Once you clicked on the file, follow the image tour below. You can ask me any questions in case you are still confused with any of the steps of the installation. While searching the internet for a similar installation process, I have landed on the official blog of MDS team where they have many interesting posts about it. If any concept written on my posts are contradictory to the information on the official blog, I suggest that you should follow the advice of official blog. Reference : Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • ESET Remote Administrator Console showing infected files on a client, but threat log is empty

    - by Aron Rotteveel
    We recently deployed ESET NOD32 Antivirus on our small domain network and use the Remote Adminstrator to manage everything remotely. On a recent full system scan, one of the clients shows 10 infected files of which 4 have been cleaned in the scan log. The strange thing, however, is that the threat log is empty. Is there any reason why the threat log is empty? What has happened to the 6 remaining uncleaned files? Where can I view information on what files are infected and what they have been infected with? I know this can be done through the scan log properties screen, but with 958790 files scanned, I obviously do not want to browse through this list. Any help is appreciated.

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  • DrayTek Vigor 2920(n): VPN with VLAN restrictions?

    - by Dirk
    Hi, I'm currently installing a DrayTek Vigor 2920n router in a new office. This router is to be used for 2 seperate companies. For one of these companies, the router has a LAN-2-LAN (VPN) connection to a datacenter configured. The other company should not be able to access this other (VPN-)network. I'm aware of the capability of this router to have VLAN's, but I cannot figure out how to configure the VPN-connection to only be accessible for VLAN0 and not for VLAN1. I know I can also add another router to physically split both networks, but we bought the DrayTek with the idea that it could easily have the VPN-connection available for VLAN0 and not for VLAN1. VLAN1 can easily be in another subnet, that's fine, although, I don't know how to configure that on this DrayTek. Can anyone point me in the right direction? Thanks in advance, Dirk

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  • Seattle GiveCamp this Weekend

    - by Stephen.Walther
    Seattle GiveCamp is this weekend (October 19, 2012) on the Microsoft Campus. Donate your time and your programming skills to build software applications (mainly websites) for charities. We need you! Go to the following address and sign up to participate right now: http://seattlegivecamp.com/ We have more than 20 charities participating in this year’s GiveCamp and over 100 volunteers. We need people with all sorts of skills including WordPress, design, ASP.NET, SEO, Mobile, and Project Management skills. If you know how to tweak a WordPress theme or you know how to use Adobe Photoshop or you know Salesforce or Microsoft Access then we really, really need you this weekend. This is a great event to network with other developers, show off your ninja programming skills, and help some great charities. Be prepared to show up at Friday night and start working in a team to write some great code. You can stay until Sunday night for the full event or you can leave early (in previous events, some developers did marathon coding sessions for multiple days straight – but those guys are insane). My wife, Ruth Walther, is the director of this year’s GiveCamp. She’ll be there and I’ll be there. I hope to see you at GiveCamp!

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  • Back up Windows 2008 SBS to iSCSI disk

    - by Farseeker
    I've almost no experience with SBS 2008, so please excuse my noob question! SBS 2008 only has the most basic backup utility built in as far as I can tell (similar to Vista), and it will only back up to physical volumes. I've read that you can set up a batch task to backup to a network volume, but right now I just need to get something deployed ASAP. We have an iSCSI target with plenty of free space. Is it worth backing up to an iSCSI target? Or am I wasting my time? If I need to do a recovery from the iSCSI disk, how would I go about it?

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  • Announcing Unbreakable Enterprise Kernel Release 3 for Oracle Linux

    - by Lenz Grimmer
    We are excited to announce the general availability of the Unbreakable Enterprise Kernel Release 3 for Oracle Linux 6. The Unbreakable Enterprise Kernel Release 3 (UEK R3) is Oracle's third major supported release of its heavily tested and optimized Linux kernel for Oracle Linux 6 on the x86_64 architecture. UEK R3 is based on mainline Linux version 3.8.13. Some notable highlights of this release include: Inclusion of DTrace for Linux into the kernel (no longer a separate kernel image). DTrace for Linux now supports probes for user-space statically defined tracing (USDT) in programs that have been modified to include embedded static probe points Production support for Linux containers (LXC) which were previously released as a technology preview Btrfs file system improvements (subvolume-aware quota groups, cross-subvolume reflinks, btrfs send/receive to transfer file system snapshots or incremental differences, file hole punching, hot-replacing of failed disk devices, device statistics) Improved support for Control Groups (cgroups)  The ext4 file system can now store the content of a small file inside the inode (inline_data) TCP fast open (TFO) can speed up the opening of successive TCP connections between two endpoints FUSE file system performance improvements on NUMA systems Support for the Intel Ivy Bridge (IVB) processor family Integration of the OpenFabrics Enterprise Distribution (OFED) 2.0 stack, supporting a wide range of Infinband protocols including updates to Oracle's Reliable Datagram Sockets (RDS) Numerous driver updates in close coordination with our hardware partners UEK R3 uses the same versioning model as the mainline Linux kernel version. Unlike in UEK R2 (which identifies itself as version "2.6.39", even though it is based on mainline Linux 3.0.x), "uname" returns the actual version number (3.8.13). For further details on the new features, changes and any known issues, please consult the Release Notes. The Unbreakable Enterprise Kernel Release 3 and related packages can be installed using the yum package management tool on Oracle Linux 6 Update 4 or newer, both from the Unbreakable Linux Network (ULN) and our public yum server. Please follow the installation instructions in the Release Notes for a detailed description of the steps involved. The kernel source tree will also available via the git source code revision control system from https://oss.oracle.com/git/?p=linux-uek3-3.8.git If you would like to discuss your experiences with Oracle Linux and UEK R3, we look forward to your feedback on our public Oracle Linux Forum.

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  • Unable to setup ssh tunnel on mac

    - by prashant
    On my office windows XP laptop I use a program called Bitvise Tunnelier to establish ssh tunnel to a in-house MySQL database. In the Tunnelier program I also need to provide address of corporate http proxy server in order to establish tunnel. On my personal mac laptop, I use Cisco Anywhere client to establish a VPN connection to my corporate network. But i'm unable to establish ssh tunnel to mysql database using ssh. How do I specify the proxy server address in the ssh command? As additional info when i'm using office laptop (whether in home or office) I can successfully ping to the server address specified in the Tunnelier program. But i cannot ping the same server using my mac machine (even after connecting via VPN). So basically i'm unable to understand what's going on and what steps i can take to debug this problem .

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  • Dual mode 802.11n PCI adapters

    - by Mike Thompson
    I have recently bought a DLink DIR-825 router. It is a dual mode (2.4GZ & 5GHZ) 802.11n wireless access point/router. What is a good PCI adapter to pair with it? DLink appear to only make one dual mode adapter, which is the DWA-160 USB adapter. They don't seem to have a PCI adapter in their range, which seems very strange. Do any of the other network manufacturers make a good dual mode adapter?

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  • Remotely push DNS server to client via OpenVPN

    - by wishi
    Hi! When I try to push a DNS server via the OpenVPN server-config I don't get that server to be the first DNS server on the connected client system. It ends up being specified as an alternative DNS server. push "dhcp-option DNS 89.238.75.146" # DNS-Server 1 (local djbdns) To overcome certain network restrictions, if they're at place, I use 443 TCP. - That means that my DNS queries are sent via TCP (if I manually reconfigure the DNS server), which doesn't scale very well from a performance perspective. Are there any kewl solutions for that? Marius

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  • what firefall linux distro applicance could track internet usage per device in my home?

    - by GregH
    Hello, Anyone know of a community edition/open source/free firewall/gateway software product that I could install onto an old PC to act as my firewall/gateway/proxy etc, BUT for which it has the power to track internet usage per device in my home. So: a) Mandatory - Track internet usage for devices on my home network on a per device basis (e.g. various PCs/Xbox etc) b) Mandatory - Report/graph would would give a breakdown of internet usage, per device (e.g. IP address), per day. c) Desirable - as in b) above but per hour d) Desirable - realtime graph (e.g. 5 minute measurement intervals or something) that shows current internet usage per device e) Mandatory - Handles all internal<=internet requests for all protocols (e.g. HTTP, HTTPS, xbox etc) f) Mandatory - No explicit settings in clients required - i.e. Transparent Monitoring concept (for both HTTP and non-HTTP traffic like xbox, skype etc) g) Mandatory - easy "appliance" like installation onto a dedicated low spec PC thanks in advance

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  • what firefall linux distro applicance could track internet usage per device in my home?

    - by GregH
    Hello, Anyone know of a community edition/open source/free firewall/gateway software product that I could install onto an old PC to act as my firewall/gateway/proxy etc, BUT for which it has the power to track internet usage per device in my home. So: a) Mandatory - Track internet usage for devices on my home network on a per device basis (e.g. various PCs/Xbox etc) b) Mandatory - Report/graph would would give a breakdown of internet usage, per device (e.g. IP address), per day. c) Desirable - as in b) above but per hour d) Desirable - realtime graph (e.g. 5 minute measurement intervals or something) that shows current internet usage per device e) Mandatory - Handles all internal<=internet requests for all protocols (e.g. HTTP, HTTPS, xbox etc) f) Mandatory - No explicit settings in clients required - i.e. Transparent Monitoring concept (for both HTTP and non-HTTP traffic like xbox, skype etc) g) Mandatory - easy "appliance" like installation onto a dedicated low spec PC thanks in advance

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  • Fedora vs Ubuntu to host Subversion and Bugzilla over Apache

    - by Tone
    I'm not interested in a flame war of Ubuntu vs Fedora vs whatever. What I am interested in is whether or not I should move my current Ubuntu server to Fedora. I have been able to get Subversion setup and hosted via Apache over https and it works quite well (I'm a .NET guy so this was all new to me). I'm having trouble though with installing Bugszilla - have run into some issues getting all the perl scripts to run successfully so my questions are: 1) Will Bugszilla will install easier on Fedora? Can I just install a package instead of having to download the tar.gz file and untar it, run perl scripts, etc. 2) Is Fedora considered to be a better production server system? I have no desire for a GUI, just need it to host Subversion, Bugzilla over Apache2, and act as a file and print server for my home network.

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  • TCP Zero Window with no corresponding Window Update

    - by Gandalf
    I am trying to debug a network issue and am using Wireshark and tcpdump to grab packets from my server. I have one client application that is grabbing all my available connections and then holding them, trying to send A LOT of data and essentially causing an unintentional DOS attack. While debugging I notice that I see my server sending "Window Closed" and "Zero Window" TCP packets - but never sending any "Window Update" packets. I am guessing this is why the client never lets go of the connections (it still has more data to send and is waiting). Has anyone ever seen this type of behavior before? Let's not get into the reasons why I haven't set up an iptables rule to limit concurrent connections (yeah I know). I also recently changed the MTU from 1500 to 9000 - could this have such a negative effect? (Linux) Thanks.

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  • Unable to remove broken Exchange 2003 installation (SBS 2003)

    - by Austin ''Danger'' Powers
    We have a non-functional Exchange 2003 installation on our SBS 2003 server that I am trying to uninstall. So far we have never used, and will never use, Exchange on this server- all we need is to remove it from the system (as it is installed on a partition which we want to merge with the main data partition to increase network storage capacity). Attempting to remove it using Add/Remove Programs produces the following error: When doing a search in ADUC to see which users still have a mailbox associated with them, it seems to only be the domain administrator account: As the Exchange installation is broken, it is not possible to run either System Manager or Exchange 5.5 Administrator to make mailbox changes. How can I forcibly remove a mailbox (which does not need to be salvaged or backed up), to allow the uninstall of Exchange to proceed? Any ideas would be appreciated!

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