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  • How to get my W2003-server (back) into the web (after setting up bridged networking)

    - by MBaas
    I have recently set up Virtualbox on a W2003-Server (which is also used as webserver, accessed from the web). My vbox worked nicely, but then I wanted more, I wanted to have the vm appear in the intranet like any ordinary pc. I was advised to setup bridged networking as opposed to NAT. I did so, and in the server's network connections have bridged the LAN-Connection and the "VirtualBox Host-Only Network" (yes, it says "host only network", but I assure that VBox networking is configured to use network bridge). So now my VM is visible in the intranet and it also has www-accesss, the server can also access the web. The only problem that came up is that the server is no longer accessible from the web. I've traced an HTTP-Request and it says "Can't connect to *:80 (connect: No route to host)". So maybe something in the router's config needs to be adjusted (yeah, well, the server's IP-Address changed from 192.168.1.199 to ...198). So I went into the router-config, reviewed port-forwarding for port 80 and adjusted the IP there, but it still didn't work. Unsure if it was a router-problem or rather something in the server's config, I've setup a "demilitarized zone" in the router and have put the server into it. (My understanding is that this would put the server straight into the web...) But the result of the HTTP-Requests is still the same :(

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  • Intel fait durer le suspens sur Sandy Bridge en délivrant les informations au compte-gouttes sur la

    Intel fait durer le suspens sur Sandy Bridge En délivrant les informations au compte-gouttes sur la future micro-architecture de ses processeurs Sandy Bridge est le successeur de Nehalem, la micro-architecture utilisée par Intel pour ses processeurs. Bien qu'on en sache encore assez peu sur cette nouvelle technologie, elle fait d'ores et déjà couler beaucoup d'encre. La stratégie de communication d'Intel, qui délivre les informations au compte-gouttes, n'y est certainement pas pour rien. Lors des derniers Intel Developer Forum (IDF) qui vient de s'achever, David Perlmutter - Executive Vice President Intel Architecture Group - a néanmoins laissé filtrer quelques indices :

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  • Cannot find network path for computer in workgroup of home Windows XP PCs

    - by John Galt
    VMWare Workstation 6.5 is running as an app on a Windows Vista 64bit PC host. Thanks to Workstation we have 2 guest machines running: TerriVM and MattVM (both of these run Windows XP SP2). We are attempting to get virtual networking configured so we can access the files of both of these VM guest systems from other real PCs connected to this home network. We think we are close but we can't quite get it right... Here is what we've done so far: * On VM Workstation, we set "Host Virtual Network Mapping" to use VMnet0 with the setting "Bridge to an automatically chosen adapter". * On each VM guest (i.e. using Windows explorer on XP), we rightmouse on the C disk, click "Sharing" tab, set shareName to "C_Disk" and check both boxes labeled "Share this folder on the network" and "Allow network users to change my files". Symptoms: On "JohnsRealXP" PC, we go to Windows Explorer, My Computer, Map Network Drive, type into Folder textbox: \TerriVM\C_Disk and assign drive letter T. We see all the folders on this shared drive and can open files on them. So that is good. On same "JohnsRealXP" PC, we go to Windows Explorer, My Computer, Map Network Drive, type into Folder textbox: \MattVM\C_Disk and assign drive letter M. We get a message box "_The network path \mattvm\C_Disk could not be found_". Alternatively, we type just \mattvm\ into the Folder box and click "Browse" and get a dialog box where we drill down from "Entire Network" to "Microsoft Windows Network" to "Workgroup" where both TerriVM and MattVM are listed as computers on the network. Clicking the + sign next to MattVM gives an hourglass and never enables the OK button and I have to cancel. In summary, I think we've attempted to share both of these virtual machines using the same techniques and connect to them in similar fashion, but one connects properly and the other machine can be seen but no shared resources on it can be accessed. Can anyone suggest something possibly overlooked or something to try? Thanks so much in advance.

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  • Cisco IOS BVI ACL: Only allow established UDP

    - by George Bailey
    Related: Cisco IOS ACL: Don't permit incoming connections just because they are from port 80 I know we can use the established keyword for TCP.. but what can we do for UDP (short of replacing a Bridge or BVI with a NAT)? Answer I found out what "UDP has no connection" means. DNS uses UDP for example.. named (DNS server) is lisenting on port 53 nslookup (DNS client) starts listening on some random port and sends a packet to port 53 of the server and notes the source port in that packet. nslookup will retry 3 times if necessary. Also the packets are so small that it does not have to worry about them coming in the wrong order. If nslookup receives a response on that port that comes from the servers IP and port then it stops listening. If the server tried to send two responses (for example a response and a response to the retry) then the server would not care if either of them made it because the client has the job to retry. In fact.. unless ICMP 3/3 packet gets through the server would not know about a failure. This is different from TCP where you get connection closed or timed out errors. DNS allows for an easy retry from the client as well as small packets.. so UDP is an excellent choice because it is more efficient. In UDP you would see nslookup sends request named sends answer In TCP you would see nslookup's machine sends SYN named's machine sends SYN-ACK nslookup's machine sends ACK and the request named's machine sends the response That is much more than is necessary for a tiny DNS packet

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  • Cisco BVI: Claiming IP addresses

    - by cjavapro
    I would like to make sure I understand this correctly. Given a Cisco ISO router that is set up with a BVI (a variation of a bridge route).. and the following layout "ISP router" \ "Network switch" # nothing special here. | \ | \ | \ | \ "Router 1 with NAT" "Router 2 with BVI" If I understand correctly.. the outside of a BVI will only respond to IP addresses that have already been claimed on the inside of the BVI... example subnet is 123.123.123.??? and servers inside the BVI on 123.123.123.10 and 123.123.123.11, and the NAT router is holding a public IP address of 123.123.123.50. If a connection comes in to 123.123.123.10 it will be received by router 2 but if it is received on 123.123.123.50, it will be received by router 1 and not received by router 2. and if a connection comes in to 123.123.123.90 (does not exist) it will not be received by either router. Am I correct? Is it true that the BVI router will not even receive packets to IP addresses that it does not see as existing on the inside?

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  • Bridging two connections in windows 7

    - by Serban Razvan
    I have recently bought an Samsung UE32ES5500 and I want to connect it to the internet. Not wanting to buy an expensive Samsung wireless adapter for the TV, I've decided to use an ethernet cable. Because the Internet cable passes through underground to the bedroom and the TV is located in the living room, i decided to put a router in the bedroom, and receive it's signal in the living room using a windows 7 laptop. Afterwards I connected the laptop to the TV through an ethernet cable, and bridged the two connections in Network Connections in Control Panel on the laptop. The TV successfully finds the laptop (and the router I think) but still cannot connect to the internet. Does anyone knows a solution to this problem? (the connections must be bridged because I want to have only one network in the house)

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  • How to get Webkit Browser DBus Bridge working?

    - by SS
    I've been struggling to get the Browser Dbus Binding working for Webkit/GTK (http://gitorious.org/webkitgtk/stable) port. I have been able to successfully compile the Webkit/GTK port as well as the DBus binding library on my Ubuntu Lucid Beta. I also installed the DBus binding library at the standard location /usr/local/lib. But now when I launch the Webkit/GTK browser and try to run one of the sample html files that are provided with DBus binding source, I get "Browser D-Bus Bridge not available, cannot run tests." Basically, JavaScript cannot find window.dbus object. Can anyone tell me what needs to be done here?

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  • MS SQL Bridge Table Constraints

    - by greg
    Greetings - I have a table of Articles and a table of Categories. An Article can be used in many Categories, so I have created a table of ArticleCategories like this: BridgeID int (PK) ArticleID int CategoryID int Now, I want to create constraints/relationships such that the ArticleID-CategoryID combinations are unique AND that the IDs must exist in the respective primary key tables (Articles and Categories). I have tried using both VS2008 Server Explorer and Enterprise Manager (SQL-2005) to create the FK relationships, but the results always prevent Duplicate ArticleIDs in the bridge table, even though the CategoryID is different. I am pretty sure I am doing something obviously wrong, but I appear to have a mental block at this point. Can anyone tell me please how should this be done? Greaty appreciated!

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  • Some Networking questions with Airport...

    - by Moshe
    Is it possible to to connect to multiple networks at the same time using the AirPort wireless card on my iMac 21.5"? Can I connect to an ethernet-based network at the same time as I'm connected to one (or more) wireless networks? Can I share files directly between a PC and Mac via ethernet? How so? Thanks.

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  • Windows XP ad-hoc networking

    - by Abhinav
    I have been using a Windows XP ad-hoc wireless network to connect my Macbook to the internet. Everything was working fine until after a restart of the XP machine, the network stopped appearing in the "Choose a wireless network" screen. It does not show up as an available network on the Macbook as well. But when I try to create a new network it shows me the network name. Creating a new network does not work either.

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  • CSMA/CD and CSMA/CA

    - by Zia ur Rahman
    CSMA/CD is used in wired LANs, CSMA means that the computers on the network sense the medium if the medium is idle, the computer transmits otherwise it defers sending.CD refers to collision detection. I don’t want to write about CD because its not related to my Question. Now in case of wireless LANs we use CSMA/CA , here CSMA refers to carrier sensing , the Question is how carrier sensing is done in case of wireless LANs? the collision avoidance is done by sending the control message to the intended receipient.

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  • How to use projector wi-fi

    - by davispuh
    I have Acer P5260i projector who has wireless feature however the user manual didn't come with the description how to use this feature. I'm using a laptop. an anyone give me a detailed overview on how I should connect them through wireless?

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  • Non-Airport Express wirless N router with audio server

    - by iansinke
    I'm interested in hooking up three things to a wireless router: speakers, a printer, and a hard disk. At first the obvious solution was Airport Express, but then I found out that Airport Express does not support hard disks. Any ideas as to other wireless routers that would have the requisite feature set?

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  • Capturing wirelss traffic (using Wireshark).

    - by Daisetsu
    When I run wireshark on a wired network it works fine and reports all of the packets. When I run it on a wireless network though I only see my own traffic. The wireless card I have is supposed to support packet capture and go into premiscous mode, but I don't see any other system traffic. What is wrong?

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  • What is Error 324? Is it related to Google Chrome? Or Verizon Webmail?

    - by Jason Rhodes
    My in-laws are having trouble with signing into their Verizon Webmail account at webmail.verizon.net, only when they are on their wireless network. When they try to log in from wireless they get "Error 324" in the browser, in both Google Chrome AND IE8. But they can access any other site, and they can get on their Verizon email when they plug in directly to the browser. Does anyone know why this is?

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  • How do I turn AirPort on in Windows 7?

    - by Ioan
    I have a MacBook 2010 and I installed Windows 7 Ultimate using Boot Camp. I can't connect to the Internet. I have a wireless rooter in my house. Internet Explorer say's that maybe the wireless adapter isn't turned on. How do I connect to the Internet without using a cable?

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  • how do i turn air port on in windows 7?

    - by Ioan
    I have a macbook 2010 and i instaled windows 7 ultimate using boot camp. I can't connect to the internet. I have a wireless rooter in my house. IE say's that maybe the wireless adapter isn't turned on. How do i connect to the internet without using a cable? ty

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  • What is error 324? Is it related to Google Chrome? Or Verizon Webmail?

    - by Jason Rhodes
    My in-laws are having trouble with signing into their Verizon Webmail account at webmail.verizon.net, only when they are on their wireless network. When they try to log in from wireless they get "Error 324" in the browser, in both Google Chrome and Internet Explorer 8. But they can access any other site, and they can get on their Verizon email when they plug in directly to the browser. Why is this?

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  • Media disconnected Acer Aspire Win 7 Starter

    - by RoadGlide
    Problem setting up wireless connection on my new ACER Netbook using Win 7 Starter. Works fine with LAN cable from NETGEAR WGT624V3 router with updated firmware. The NETGEAR does not see the ACER, but does see my XP Laptop. I'm also running a wireless, BlueRay DVD. When I run getmac I get hardware not pesent, my mac address, Hardware not present. Is there a switch that needs to be set?

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  • trying to make an ad-hoc network between windows xp and windows 7.

    - by djgoosh
    hello , i'm using a usb modem on a windows xp 32 bit pro version and i'm trying to connect to this computer with a windows 7 64 bit pro version. i made myself a personal ad-hoc wireless network. but it doesn't seem to work. the windows xp computer wireless tray icon seems like it's connected but when i go to the windows 7 computer it's seems connected with an error. any help ? thanks in advance , udi

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  • No WPA2 option in Windows XP SP3

    - by user34300
    I have a fresh Windows XP SP3 installation on several PCs but none of them has WPA/WPA2 option in Wireless Networks section of the connection properties regardless of wireless adapters they have (that supports WPA2). Can someone provide an advice on how to fix that?

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  • WIFI connection not working

    - by chris verwey
    We have a wireless network that is set to secure, it does show as unsecure on my laptop, and desktop connect to router but no internet access. other computers on the network require password to connect to router and get internet access. Iphone and Ipads connect using password and also have internet access, what can I do to fix it. Laptop = dell e6410 Router = netgear The laptop work on other wireless networks without any problem

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  • Where to get the network NIC's firmware rtl_nic/rtl8105e-1.fw?

    - by Kyrol
    Im installing Debian testing version wheezy on my Asus X53Sc with Intel Centrino Wireless-N 100. Im having a problem with my wifi connection. When I try to connect to internet with the wireless connection, an error occurs: Possible missing firmware /lib/firmware/rtl_nic/rtl8105e-1.fw for module r8169. I installed successfully the iwlwifi-100-5.ucode, but now I have this error. Any ideas or suggestions to resolve the problem ?

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  • Some web pages won't download fully

    - by Sumac
    Some web pages won't download fully under any browser on any computer connected to the network. I have Internet access through a wireless modem/router (2 Mbps DSL connection, wireless reception is excellent). I use Opera and when I turn on Opera turbo the same sites download fully. I tried changing to some other dns (opendns, google dns), but it made no difference. What would you suggest I try? OS : Windows 7 64 bit

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