LAN, short for Local Area Network, is a network that connects multiple devices in a limited geographical area, such as a room, an apartment or a building. Currently, most LANs are based on Wi-Fi, linked together with means of a central wireless router or Ethernet transmission, where computers are ...

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81
votes
8answers
21k views

My colleague often shuts down my machine through the LAN - how do I prevent it?

This might sound weird. My colleague and I were working on a Windows machine. He frequently shuts it down through the LAN. He usually follows these steps: Access command prompt, enter shutdown -i. ...
34
votes
8answers
32k views

Best way to transfer files over a LAN between two Linux computers

I want to transfer files (a music folder) between two Linux computers. After searching for the best way to do this, I've seen that there are lots of ways of doing this. I know this has been asked a ...
21
votes
4answers
29k views

How does a hacker in a public WIFI actually view your computer?

I've read that they can see what sites your viewing or even access your computer if you're connected on the same WIFI connection but how exactly?
20
votes
8answers
14k views

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

I want to join two different home networks together like so: PC A1 PC A2 PC B1 PC B2 \ / \ / Gateway A ...
18
votes
7answers
4k views

Can a huge coiled LAN cable have some trouble for transmitting a signal?

Let's say I have a long (> 30m) LAN cable, that connect two (very close) devices. Could some of the unused wire, disposed as a huge coil, cause any issue ? I'm thinking about the special wire layout ...
11
votes
1answer
7k views

Windows shows “Limited Connection” when it isn't

[12/16/2013 - Updates below] [12/20/2013 - Updates below] Bear with me, this isn't the normal "limited connection" sort of question, I promise. When I am at the office and on the LAN, my Win8.1 ...
11
votes
5answers
5k views

Set Ethernet Network as Metered Connection in Windows 8

Windows 8 introduced a new feature which allows users to set any Wi-Fi network as metered so that they can check their bandwidth usage: [img credit] But, it doesn't allow users to set any Ethernet ...
9
votes
2answers
30k views

How can I force Windows 7 to give my LAN (wired) conection priority over my WiFi?

Given the choice between my LAN (wired) and my WiFi connections, my Windows 7 PC gives priority to the WiFi - how can I make it prioritize the LAN connection?
8
votes
10answers
36k views

What is the real difference between LAN and WAN?

What I understand is: A LAN is connecting two or more computers to form a cable network between them. A WAN is connecting two or more computers over a broad area to form a cable network between ...
8
votes
2answers
4k views

Problem playing games using OpenVPN that use broadcast packets. Other games work, hosts can ping each other

I'm running an OpenVPN server in bridged mode and clients can successfully connect, see shared folder and play LAN games that let you enter the LAN IP address. However I'm unable to play games like ...
8
votes
1answer
406 views

How can I make these computers share folders again?

OK, I've had enough of this. My mom's family's business is having problems with their two computers, which we'll call PC1 and PC2. Both are running Windows 7, and they used to have some shared ...
7
votes
3answers
12k views

how to find out computer name by ip LAN

How to find out computer name by ip on LAN? I know an the ip address of a computer in question but how do I get its workgroup name?
7
votes
2answers
2k views

WiFi cannot connect to internet in two router setup

I am struggling to setup my home network. I have the following setup, also shown in the diagram below (sorry for the MS Word screenshot!): My landlord has an ADSL connection, established by Router ...
7
votes
2answers
14k views

How does Dropbox LAN Sync work?

I have installed Dropbox on 2 Ubuntu machines and enabled LAN sync. I was curious how does one Dropbox instance detect another.
7
votes
3answers
5k views

Test the Speed of a Local Area Network

How can I test the speed of a LAN? I hope there is something baked into Windows to do this, because I am unable to install any third-party products.
7
votes
3answers
14k views

How do I connect two computers with a LAN cable?

I have two machines - Windows XP and a laptop using Windows 7. I connected them with a WLAN cable. On the Windows XP machine, I set the IP address to 192.168.0.10. On the Windows 7 laptop, I set the ...
6
votes
9answers
1k views

Can CAT5 stand outside weather?

I have a very good network ethernet in my basement, so I was thinking of extending a CAT5 cable from the DSL router to the second floor where my office is. I can only pass that cable from the outside ...
6
votes
5answers
8k views

How do IP answer packets reach their destination inside of a private LAN?

This is a little theory question that has been confusing me for a pretty long time. Basically, if we are inside of a private LAN, and we want incoming packets to reach, for example, an HTTP server ...
6
votes
6answers
8k views

Dropbox alternative with local sync support? [closed]

I am currently using Dropbox. Just decided to sync my huge (about 5 GB) iTunes Library (music collection) in Dropbox. For that I must subscribe to their paid account. But before I do so, I'd like ...
6
votes
4answers
12k views

Getting the local IP address in Ubuntu 10.04 LTS

I am trying to get my locally assigned IP address from Ubuntu 10.04 LTS with ifconfig and what I'm getting is my external IP address (in other words, it's the same IP I see on whatismyip.com) When ...
6
votes
3answers
4k views

Why is my LAN not gigabit?

The in-wall CAT5e LAN cabling in my newly built house (photos during construction) is weird: it works perfectly fine except it only allows 100Mbps and not gigabit. To clarify, the wired LAN ...
6
votes
2answers
5k views

How to access an node of an LAN via WAN?

Lets say I have a router that is connected to the Internet. An WAN IP address is given by ISP. It is using PPPoE ADSL, the IP address is not static, every time it connected, assigned a different IP ...
6
votes
4answers
38k views

How do I change the Windows7 LAN proxy config from the command line?

In Windows 7, Is it possible to define/change the proxy config from the command line? So, using the GUI, I would go: Start → Control Panel → Network and Internet → Internet Options → Connections → ...
6
votes
6answers
4k views

Load-balance with LAN and Wi-Fi

I have a Mac, which runs Mac OS X 10.6 or Ubuntu 9.10 or Windows XP (Multiboot). Solution can be for any of the systems, whatever works better. I have two ISPs, one can be accessed via Wi-Fi, one ...
6
votes
5answers
9k views

How to get internet from wifi and share to LAN device

In my apartment, I can only connect to the internet via apartment's Wifi hotspot. But I have a multiple devices that have only LAN connection such as PC, Internet TV, game console. All I have are ...
5
votes
3answers
2k views

How to message any user on your LAN?

I have admin access to all (read most) the machines on my LAN. However, I wanted all users to be able to coordinate with each other. How should I approach this problem? One solution which I can think ...
5
votes
5answers
7k views

Can I choose WiFi over Ethernet LAN? [duplicate]

Possible Duplicate: Automatically prefer Ethernet over WLAN I sit in an office environment with LAN, the LAN cable is always plugged into my machine, so by default all traffic is routed via ...
5
votes
6answers
11k views

What's wrong with my custom LAN cable?

This question is basically a continuation of this previous question. Never mind, here's the deal: I've made a LAN cable that goes through a wall, but it doesn't work. The cable is roughly 10m/30ft ...
5
votes
4answers
498 views

Directly connecting two computers (Like Laplink) [duplicate]

Possible Duplicate: Is there some way to connect two computers using USB? In 2011, is there a way to directly connect two half-way recent computers running Windows without Ethernet? The ...
5
votes
3answers
274 views

Can I prevent packet monitoring on LAN?

I am on a shared LAN where everyone should have equal access and, hopefully, not be able to bother anyone else's activity. The person who has a desktop has the router in their room so they can plug ...
5
votes
2answers
4k views

How to communicate between two PCs on the same LAN?

Another user and I are on the same LAN and often wish to send each other URLs or several photos, or such. Is there a program or a feature that would allow us to communicate simply? like a local ...
5
votes
4answers
10k views

Host name resolution on a home network

I have several machines (both virtual and physical) in my internal network at home. Currently I have to connect via 1P addresses. The one main machine I connect with to all the other machines is ...
5
votes
1answer
4k views

Does uTorrent use LAN networking if a peer is on my LAN?

Can uTorrent (or any other bittorrent client for that matter) detect that a peer is on your LAN, and share parts through LAN instead of the internet?
5
votes
3answers
4k views

Why transfer speed over Fast Ethernet (100mbps I think) is only ~1.5MiB/s

Checking Google, 100mbps (Fast Ethernet, wired) is ~12MiB/s but in reality, transferring a file over the network (home LAN) is only ~1.5MiB/s. Why might that be? I am on Ubuntu 11.10 transferring to ...
5
votes
2answers
2k views

How to LAN boot Windows from single installation simulaneously?

My Requirements: I want to maintain only one Windows installation on one system (say, server). I want to boot to this installation using LAN boot feature of BIOS of other systems in network. ...
5
votes
2answers
31k views

How to watch videos on Sony Bravia TV through LAN?

I have recently bought a Sony Bravia 40EX520. To watch videos on it I need to copy them to a USB drive, which is a time-consuming process. As there is connectivity of LAN for the TV, can I watch the ...
5
votes
1answer
232 views

What can the second LAN port be used for on a NAS?

I've got a NAS with 2 ethernet ports. I have one connected to the router. I read that the second could be connected to double the speed of data to and from the NAS. I don't need to do that, as the ...
5
votes
1answer
5k views

LAN connection - DOS to Windows 7

Hello community, This is my problem: I'm trying to connect a DOS-machine to a Windows 7 computer, using a LAN-crossover-cable - and it won't work. I want to access a shared directory on the ...
5
votes
2answers
1k views

Cookies blocked by router?

My friend has a D-Link DI-524 router that she uses for her home broadband. It's a pretty vanilla setup with the standard firewall settings, DHCP enabled etc. However, recently she has experienced ...
5
votes
2answers
2k views

TeamViewer meetings on a LAN connection

I know that we can use TeamViewer on a LAN connection without internet for remote control. I was wondering whether we can use meetings to connect via LANs without internet as well. I tried doing this ...
4
votes
3answers
5k views

Is it possible to change your local IP to something other than 192.168.x.x?

There's no particular reason for wanting to change my prefix for my local IP, I'm just wondering if it's possible. So can I change my local IP from 192.168.x.x to something of my own choosing? I ...
4
votes
11answers
39k views

How to shut down a computer having a particular IP address?

If we have a collection of Windows and Linux computers on a LAN, is it possible to shutdown a computer having a specific IP address, using the Linux shell? Assume that I do not have ssh or telnet ...
4
votes
3answers
6k views

Two internet Connections, one LAN - how to share?

Well, the title says what I'd like to achieve: I'd like some workstations connect through my 1st internet account and some through my second one. The workstations are in a workgroup. They're not ...
4
votes
3answers
1k views

Is there a difference between LAN cable connecting two PCs and one connecting a PC to a router?

I went to a computer store to buy a LAN(Ethernet) cable and they asked me whether I want to connect two PCs or a PC to a router. I used to do both using same cable and it worked for me till I lost the ...
4
votes
4answers
372 views

Best way to network computers next to each other

I've got 2 computers in my home office, and they are both connected to the wireless router sitting in the living room. Problem is I often need to copy files back and forth between them, or VNC from ...
4
votes
1answer
19k views

What is Windows command to convert machine name to ip address and vice versa?

I need to know the ip address of another machine in a lan network. What is the Windows command for getting ip address from machine name and vice versa?
4
votes
2answers
4k views

How can I secure an Ethernet-over-power network?

I just bought myself an Ethernet-over-power adapter, and plugged it in. It seems to be working great, but now I'm concerned that my neighbours may be able to access my network. I live in a rowhome ...
4
votes
4answers
3k views

Is there any Open Souce Office Chat Messenger?

I am looking for an open source instant chat messenger for Office purposes.
4
votes
2answers
951 views

Inserting a non-Internet LAN cable breaks wifi

My vista laptop catches wifi fine here. But when I plug in a lan cable (for a separate pc-to-pc connection), the wifi stops working (page loads timeout). Any idea why? It seems vista thinks I'm ...
4
votes
3answers
397 views

Building an improvised 'supercomputer' by connecting a number of used PCs in a LAN

I am in ongoing development of a simple but processor intensive computer program that I use for scientific research. It would be really helpful to have more processing speed. Right now I'm running Mac ...