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• Isolating a computer in the network

  - by Karma Soone

  I've got a small network and want to isolate one of the computers from the whole network. My Network: <----> Trusted PC 1 ADSL Router --> Netgear dg834g <----> Trusted PC 2 <----> Untrusted PC I want to isolate this untrusted PC in the network. That means the network should be secure against : * ARP Poisoning * Sniffing * Untrusted PC should not see / reach any other computers within the network but can go out the internet. Static DHCP and switch usage solves the problem of sniffing/ARP poisoning. I can enable IPSec between computers but the real problem is sniffing the traffic between the router and one of the trusted computers. Against getting a new IP address (second IP address from the same computer) I need a firewall with port security (I think) or I don't think my ADSL router supports that. To summarise I'm looking for a hardware firewall/router which can isolate one port from the rest of the network. Could you recommend such a hardware or can I easily accomplish that with my current network?

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• How to download large files when the download size is restricted ?

  - by Rahul

  ? In my office, the network admin has restricted the download limit to a size of 1.8MB for any file. This is for sub ordinates accounts only. But for my manager's PC, there are no restrictions. Is there any way to download files from my PC by using my managers' ip address. I just tried using his ip on my pc but, had the same problem. ? Earlier I was given access to our Linux server from my pc using putty. Then I used to download large files on to the server and then transfer from server to my machine using fire ftp. This transfer worked perfectly fine. But, now I don't have any access to the server. So can I be able to download large files using fire ftp from my own PC ? I'm using Windows XP machine. Please suggest a solution by any possible combination. Thanks.

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• How many uTorrent clients are running in a network?

  - by Prashant

  Hi, I have a router through which 10 PC's are connected to run internet, almost all PC's have uTorrent. I want to detect that how in many PC's uTorrent is running at a time. Is there any way or tool through which I can detect this. Thanks

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• Computer "Server"

  - by user328379

  so at home we had the idea of instead of buying 3 different pc's we would somehow create a "server" for the computers where a cable would come to our screens and keyboard and mouses, so the actual pc was somewhere else in the house with all the others. Does such a thing exist? And is it possible to have such a thing for high performance workflow? (Compiling, High-End Games, just as if it was a separate pc )

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• How can I join two simple home networks together using an ethernet cable?

  - by Ilia Jerebtsov

  I want to join two different home networks together like so: PC A1 PC A2 PC B1 PC B2 \ / \ / Gateway A <----- ethr. cable -----> Gateway B | | ADSL modem A ADSL modem B Both networks are of the basic residential type with identical configuration, with all PCs running Vista/7. The point is to temporarily join two apartments in a building for gaming and file sharing, and the holy grail would be: PCs on network A can access PCs on network B and vice-versa (file shares and gaming). Each network uses its own internet connection. Data between networks shouldn't take a trip through the internet (broadband upload speeds are severely capped) A network's internet access should continue working if the joining cable is disconnected with minimal configuration changes. How closely can this be achieved?

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• Connecting to a remote mysql server from a windows machine (XP)

  - by Samuel Martin

  I am trying to connect to mysql server which is installed on my home pc from another pc. I allowed all connection in mysql configuration. There's no firewall blocking on the pc I am trying to connect from. I used the command- mysql -h Some.Host.IP -u SomeUser -p SomePassword I am getting- ERROR 2003 (HY000): Can't connect to MySQL server on 'Some.Host.IP' (10060) I can connect through php!! What's the problem? How do I solve it?

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• Looking for way to download all the free software I need to setup my PC all at once . . .

  - by Jim McKeeth

  I am in the middle of reinstalling Windows 7, and I would like to install all the software in as few steps as possible. I saw a web site recently that listed a lot of different Freeware and Opensource appliations. There was a checkmark next to each one so you could select the ones you want, and then they would all download in a single package to install at one time. The idea was for when you were setting up after a fresh install. It was for Windows and they were adding 64-bit applications.

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• Windows 7 Ult machine can see XP Pro but not vice versa

  - by Chadworthington

  My new Windows 7 Ult. PC can attach to my work laptop and pull files but my work laptop cannot find my Windows 7 on the network. Is there some sort of limitation going on here? Before I got the new XP machine, my old XP Pro PC could pull files from the XP Pro laptop but not vice versa. The common thread seems to be that the work laptop cannot see other PCs, Windows 7 or not. Could it be because that PC is on a work domain? When I pull files from the work PC, I am prompted for domain credentials, which I provide.

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• Pendrive not working on USB port - USB2 Enhanced Host Controller - 27CC

  - by user1664417

  I have a situation here, is kind of weird. Situation as below: If i enable the 'Intel(R) 82801G (ICH7 Family) USB2 Enhanced Host Controller - 27CC' , then my pc will not be able to read any USB stick/pendrive, but usb port work fine with keyboard and mouse. If I disable the device driver, then all kind of pendrive can be read. Below is What i have done : 1) try the same pendrive on other pc, it work like charm. 2) try others pendrive on issue pc, same problem, but it work fine in others pc. 3) try all the port, including the port that connected to mouse n keyboard. 4) update the driver version. 5) restore default setting of usb in bios Please help to solve these issue if anyone experience it before. Many thanks.. :

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• Add Bookmark to IE automatically for new users on a computer

  - by Kyle Brandt

  When I set up a PC, I would like to be able to have it so when anyone logs into that PC from the domain a couple of IT bookmarks will be in IE. I read I can do this with a Domain-Level group policy, but unfortunately, with my current domain group policies have not gone well, so I have fear (Rather not get into this in this question). Can I do this at the PC level when I deploy a new computer? So any domain users who log into the PC will have these bookmarks added when their profile is created (no roaming profiles). These are XP machines, and the domain is run by 2003 controllers.

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• Are these symptoms of a video card is dying?

  - by K Cloud

  What I am getting from my PC: Scrambled text in the boot menu. The scrambled text dissapears and everthing goes normal after several restarts, or the computer has worked for some time. Display goes blank showing, windows kernel mode driver stopped responding. Sometimes the windows just hangs, I need to restart the pc for that. There used to be some scrambled colors in my windows, so I cleaned up my video carda and port and reinstalled the video card, things are something right. The pc runs normally for hours in safe mode, as diffault display driver works at that case. My PC specs: Core 2 Duo processor 2 GB RAM NVIDIA EN210 SILENT GPU Windows 8 Drivers details: NVIDIA drivers - v331.65, told to be fully compatible with Win8 Currently I am installing Windows 7 and will be putting the older version of driver v320 to test, yet I'm really confused weather my GPU is dying or still on go.

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• Can't access to access to my web server inside a network with Firewall on

  - by ianenri

  I set up a Web server with the following: There is the Internet Router, configured to Port Foward port 80 to my computer assigned to my PC's IP: 192.168.1.128 My PC is connected to that wireless router from wlan0 Then, my PC is also connected to my device (which is the webserver) with a crossover-cable usign eth0 having this anohter IP: 10.42.43.1 Finally, my device (the webserver) is connected with eth0 with this IP: 10.42.43.55 As you can see, I need to install a reverse-proxy to be able to resolve to my device's webserver. I installed pound (proxy server) in my PC and configured properly to make 192.168.1.128 resolve to 10.42.43.55 So, I just typing my ISP provided IP 200.x.x.x resolves to my device webserver. But there's a problem: I HAD TO STOP MY FIREWALL. I don't know how I need exactly configure the firewall in SUSE YAST2, or at least iptables. Stopping it is not an option, not for security reasons, just because there's port fowarding rule that is needed to give Internet access to my device too. I'm using openSUSE 12.1

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• PC won't boot with 4 prong CPU connector connected. Motherboard or CPU dead - which one? Both?

  - by scrot

  In the middle of use, my computer shut down. I tried to turn it on but it maybe comes on for half a second, shuts down, then flickers again very quickly about 2 seconds later before giving up completely. So I took everything apart and nailed it down to the power supply, the mobo, or the CPU. I had an extra old power supply around, hooked that up and it had the same problems, so that can't be it. When the 4 prong CPU connector is not connected, the motherboard 'functions' in that it stays on and runs the heat sink etc. Throw in the 4 prong connector and that's when it doesn't stay on. So it must be the CPU, right? Motherboard: ASUS P6X58D CPU: Intel i7-920 Bot are under warranty (supposedly) - should I get both replaced or what?

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• Windows 8 install app for multiple user accounts

  - by Robert Graves

  I purchased Adera episode 2 intending to play through it with my son. We each have our own user account on the same PC. When my son logged in, he was prompted to purchase the app which I had already purchased, installed, and played on the same PC. So I checked the Terms of Use. After selecting an app in the store, there is a Terms of Use link on the left side under the Install button. It is almost impossible to identify it as a link unless you put your mouse over it. The Terms of Use are standard across all apps in the store, not specific to particular apps. The terms of use indicates that the app may be installed on up to five devices, but says nothing about multiple user accounts on those devices. However, this Microsoft blog article indicates that it is allowed. Say, for example, that your family has a shared PC. You have previously used your Microsoft account to purchase a game that all your kids like to play. You can install it for each of your kids by having each of them sign in to their Windows accounts on the shared PC, then launch the Store and sign in to the Store using your own Microsoft account. There, you’ll see all your apps and you can re-install the app on your kid’s Windows account. Installing apps on multiple user accounts on a shared PC still only counts as one of the five allowable PCs where you can install apps. So I have two questions: Is it permissible under the Terms of Use to install the app under multiple accounts on the same device? If so, how do I do so given that my son has already signed into the store using his own Microsoft account.

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• Computer runs but monitor is on power saving mode?

  - by IMB

  This stuff rarely happens, but when it does I simply restart my PC then it works fine. But today after several restart attempts it seems to be stuck. I tried removing the video card then switched to onboard video, same thing: The PC runs, (there's power and fans are working) but the monitor is stuck on power saving mode (blank screen). Is this a monitor or PC problem? Any ideas what might be the problem? I'm Windows 7 btw.

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• is there a man in the middle attacking to my server machine?

  - by GongT

  My server works well about half a year. But a strange thing happened (several hours before). This server has two IP-address 58.17.85.19 & 117.21.178.19 When I navigate to http://58.17.85.19, nothing different as before. But http://117.21.178.19 will return a "302 Object moved" and become a "redirect loop" I do some test: ($cmd = "wget http://117.21.178.19/?xx=$RANDOM --max-redirect 0 -S --no-cache -O -") Step by step: run $cmd on my PC and my firend's one (we live in two side of China, far away). - got 302 run $cmd on this server - got 200 OK (content is correct result of index.php) run $cmd on another server in same computer room - got 200 OK telnet from my PC and build an HTTP request (type by hand) - got 200 OK shutdown php-fpm, run $cmd on my PC - got 302 run $cmd on server - 502 Bad Gateway shutdown nginx, run $cmd on both the server and my PC - Connection refused. create iptables rule, refuse any connection to 58.17.85.19:80. run nc -l 80 -k -vvv on server and run $cmd on my PC NC show me that.... Server accept connection (Connection from [my ip]) My connection closed ! (Remove fd xx from list) wget dump out response - got 302 I know that, normaly, NC will accept connection, then dump HTTP request from client, and client will wait for response. this connection will open forever(infact client will close connection becouse timeout), becouse NC can't give any response. So... where my request gone? who send an response to the client? some virus on my server system? If so, why 58.17.85.19 didn't has this error? or... I was attacked by a middleman?

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• How to sync my PDA (outlook, no wifi) with my Google Calendar?

  - by Peter

  Hey Everybody, We have an old PDA that is not networked (Mio 168). It's main purpose is to serve as an agenda for which we use the outlook that came with it. Now, as my wife usually has the PDA and I want to be able to check and update our agenda too, I'm looking for a way to sync it with Google Calendar by hooking it to my PC via USB. I found a tool to sync outlook with Google Calendar. However, I would need outlook on my PC to be able to use that and I don't have outlook on my PC, nor do I want to buy it just for this sync. So, does anybody here now if and how I can sync my outlook on my PDA with Google Calendar without the go between of a PC version of outlook? Cheers.

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• What directories I must backup for reinstalling Windows 7?

  - by gsc-frank

  I'm reinstalling a Windows 7 PC and want backup all the system, application and users data to latter decide what data can be useful. What directories I must backup? I will format the PC and all importante data must be saved. I have doubts particularly about C:\Users\USER_NAME\AppData and how save it using a Ubuntu live CD in case I don't have access to the Windows 7 PC. AppData have a lot of syslink inside!

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• How to safely move where itunes saves music/iphone apps/and meta data to another internal Drive?

  - by GingerLee

  In the past, when I have moved my itunes data from one computer to another, I usually just follow these steps: Copy the contents of two folders: %USERPROFILE%\Music\iTunes %USERPROFILE%\AppData\Roaming\Apple Computer 1) Install iTunes on the new computer, start it and close it (don't let it search for music). 2) Copy all the files in the above folders from old PC to new PC. 3) Start iTunes and authorize the new computer (and deauthorize old one). 4) Before syncing, update all iphone apps to current versions on both my iphone and in itunes. 5) The Sync. The above steps always work for me, and basically Itunes on my new PC works exactly as it did on the old PC. My Question: In the hopes of bybassing the above steps in the future, I would like to just have Itunes use another internal Drive that I use for file storage (e.g. D:/) as the path for the above two directory? Then if I move to new PC again, I could just setup itunes to use the correct path. Is that possible yet with minimal implications? If so how?

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• network sharing problem

  - by Sanket Pethe

  hi i m sanket, pls help me to connectivity on windows 7. I have 4 pc ,one dlink 8 port switch. with cablenet. I can not able to all 4 pc in network with sharing with all. i have windows 7 licence copy on my all 4 pc's. Then pls help me to find. Regards, Sanket.

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• Can I extend my monitors, mouse, keyboard accross a room?

  - by jasondavis

  I am considering building my next PC into a server rack case, the reason is I am getting a server cabinet and will be putting in a few servers in it. It will be in my room where I use my main PC as well and in my case it just makes sense to build my next PC into this cabinet/rack. So my main concern, will I be able to extend my mouse, keyboard, and 2-3 monitors10-15 feet accross a room from my server rack to my desk?

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• SQL Connection String to access localhost\SQLEXPRESS

  - by user34683

  I've installed SQL Express on my PC hoping to do some practice creating tables and then modifying them. I coded a webpage in Visual Studio to, basically, SELECT * from a table in the SQLEXPRESS, but I can never get the connection string to work. Please help My connection string "Data Source=localhost\SQLEXPRESS;Initial Catalog=test;User Id=xaa9-PC\xaa9;Password=abcd;" Error Message: Query is select * from tblCustomers where username='johndoe' error is Login failed for user 'xaa9-PC\xaa9'.

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• SSH port forwarding. Connection refused [closed]

  - by Kein

  I want to make a port forward from my public server to my home pc, to connect through ssh. What have I done wrong? From home pc I run command: ssh -R 8022:127.0.0.1:22 remote.host Now when I try to connect with: ssh remote.host -p 8022 I get error "Connection refused" But when I connect to remote.host through ssh, and try to run: ssh localhost -p 8022 It connects to my home PC. How I can connect to home with one simple command? ssh remote.host -p 8022

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• Windows xp blinking under score after bios

  - by heyjoe

  so this is for an older pc I have to repair for a friend. The pc has an hdd of about 60 something gb, It uses win xp and let's say 60-70% of the boots it hangs on showing only an underscore bilking line after bios screen, rest of the times it boots fine or the computer shuts down on xp loading screen. Sometimes if you let it alone while the underscore is blinking, it will boot after a while, like a few minutes, some times it won't boot at all even if you give him more time, like one hour. When it boots successfully the pc seems to work fine. I think it's a bad hard disk and i'm about to suggest buying a new one and switching it but I don't have enough experience and i would hate making him buy a new hdd and not solving the problem. anyone has any tips? I know there are other topics about blinking underscores or cursors while xp is booting but the issues about the pc shutting itself down or sometimes booting really freaks me out. Can't format everything and re install until about 10 days from now, cause the dude has some program for his business on this pc and I have to migrate it when the next computer arrives, however he needs to use it until then. so please advise, thx.

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• Remote access and local access same hostname

  - by cpf

  Hi serverfault, I have a server in a clients network, seperated from theirs with a router/firewall, the intention is to have this server available through one hostname (example.com) My idea is to have (at least) a DNS server in the outside, to have outside (out of the clients' network) access the internal server. The problem would at that point be the internal client (PC A) My question: What would I have to do to make something like this work? Is it even possible or already done? The goal is to not have to change anything on either PC A or PC B, while both should access the same "internal server" while surfing to "example.com" Perhaps adding logic to the DNS server would work (Detect the external IP of internal client [PC A] is the same as the IP for example.com - Give the local IP as reply?) Anyhow: Thanks for helping me think on this!

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