Networking is the art of connecting two or more devices together so that they can communicate with each other.

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16
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8answers
73k views

How can I monitor internet usage in my network?

I need to know which computer is consuming my bandwidth. Is there a tool to do this?
62
votes
11answers
67k views

How can I make the Windows VPN route selective traffic (by destination network)?

I want to use a Windows VPN but only for a particular network, so that it doesn't take over my entire network connection. e.g., Instead of the VPN becoming the default route, make it only the route ...
30
votes
2answers
20k views

How to launch a command on network connection/disconnection?

I have a wifi connection that requires to authenticate using a web form once the wireless link is established. I know how to automate the authentication with a script that uses curl/curlIE. But how ...
6
votes
6answers
6k views

Software for measuring internet traffic?

I'm interested in finding a free piece of software for Windows XP & 7 that allows us to measure both incoming and outgoing internet traffic, but not traffic between users of the local network. I ...
14
votes
2answers
80k views

How to monitor bandwidth use of each device on wifi network

I have in my home a standard Comcast cable internet connection. I have it going from the wall to a cable modem, and from the modem to a late-series Linksys router, which provides wired and wireless ...
28
votes
10answers
10k views

Application for monitoring all applications that are using the internet in Mac OS X

Can anyone introduce me a Mac OS X application that monitors all network activity such as what applications are now connected to the internet and how much bandwidth they use (I mean show bandwidth ...
16
votes
21answers
40k views

How can I send super large files directly to another computer in the Internet for free? [closed]

I regulary need to transfer very large files (30 GB) to my friend - financial statistics. I don't have any problem with bandwidth: it is very broad here. I did some research in the area, so: 1. I ...
8
votes
2answers
3k views

direct ethernet connection between two wirelessly connected Windows 7 laptops

I've got two systems that are right next to each other, and connected wirelessly to the same router. I want to connect the two of them together with an ethernet cable - both have gig-e and ...
8
votes
4answers
4k views

A good solution to switch between different network settings?

I use my laptop (Windows Vista Ultimate) to connect to a wireless network in college, which assigns a dynamic IP address, and at home, with a static IP address and DNS server. I'm looking for a good ...
8
votes
3answers
7k views

How to find exe listening on port?

I try with netstat -ab -p tcp -n and among the results get: TCP 0.0.0.0:47001 0.0.0.0:0 LISTENING Can not obtain ownership information I am running as administrator and ...
17
votes
5answers
31k views

Force programs that do not specify proxy settings to use a proxy (ie: Steam)

My school requires a proxy for all internet access. If you want to use the internet, it is impossible to not use a proxy. This makes it a problem for many programs that don't seem to let you enter ...
8
votes
8answers
24k views

How do I change the MAC address of my network card?

I have a local network in a Windows system where the Admin gives permission to the PCs by their MAC address. But he is on vacations and I have a new PC. How can I change the MAC address of my new PC ...
7
votes
7answers
25k views

How to bond two different internet connections

I have two internet connection, each with 4mbps bandwidth. I want to join/merge both of them to get 8mbps speed, both routers have WLAN and LAN capability. How to Double my speed using two routers? ...
8
votes
6answers
29k views

Enable/disable wireless interface in a bat file

Is there a way to enable/disable a wireless network interface via the command line (so I can put it in a bat file)? When I'm in the office I use a wired connection, but Windows still occasionally ...
2
votes
1answer
1k views

Connecting to my own network via external IP

Even though I have seen and read quite a few similar Q's I was still unable to understand what is required for me to be able to do this. I have an internal network. One of the machines is a web ...
63
votes
9answers
305k views

How to install Windows 7 from the network?

Is it possible to install Windows 7 (Current RTM Version) on a computer without using removable media like DVD or USB? The first thing that comes to my mind is through the network, but I don't have ...
35
votes
9answers
95k views

How to do networking between virtual machines in VirtualBox?

I have two virtual machines in VirtualBox. I would like to do networking between them. For the moment I have the default configuration on both, but they seem to have the same IP-address 10.0.2.15. I ...
32
votes
4answers
19k views

Is there a way to find out what application using most of bandwidth in Linux?

I'm looking for an utility that could show me how much of a bandwidth each process are using. It should just print the data and exit as I want to feed that list into conky.
14
votes
3answers
81k views

Difference between Ethernet splitter and switch

I have one Ethernet port that is wired directly to the router on another level. However, I want to run a desktop and a server both off this one Ethernet port. Can anyone tell me the difference ...
10
votes
2answers
8k views

Is there an app for the Mac that shows you which apps are using the network? [duplicate]

Possible Duplicate: Application for monitoring all applications that are using the internet in Mac OS X I use Menu Meters to show me how much data is being sent and received by my Mac as a ...
5
votes
4answers
1k views

Desktop Internet traffic measurement software [closed]

Can you recommend a robust Internet traffic measurement tool you had experience with? Robustness is important because I've used a couple of such tools but ended up uninstalling them because of ...
13
votes
4answers
4k views

Monitoring Bandwidth Across Multiple Systems in a Home Network

For the past several years, I have been using a simple software bandwidth monitor on my computer to keep track of my monthly bandwidth usage. It has worked fine (more or less; the numbers are slightly ...
3
votes
4answers
7k views

Is it possible to combine two internet connections to increase performance?

I've got a small home network, 3 PCs plus a laptop or two when the relatives come to visit, connected to a single cable internet connection. Now, as soon as everyone starts using the 'net the ...
7
votes
2answers
3k views

How does the router know which device to send packets to? [duplicate]

my question does not concern how it moves through the internet, but how it moves through the router to a certain device. All devices connected to a router in a home network have the same external IP. ...
16
votes
2answers
13k views

Simulating a low-bandwidth, high-latency network connection on Linux

I'd like to simulate a high-latency, low-bandwidth network connection on my Linux machine. Limiting bandwidth has been discussed before, e.g. here, but I can't find any posts which address limiting ...
17
votes
4answers
31k views

When concurrently connected to wired and wireless ensure Windows 7 uses wired connection

When I am at my desk and my laptop is in its docking station I want to ensure that it uses its wired connection and not my wireless network. I am hoping/guessing that the preference in connection is ...
7
votes
5answers
13k views

Is it possible to host a web server from behind a NAT

My PC is behind a NAT router that has a public IP address. If I want to host a website then I believe I need a domain name which I can purchase from some site which would pledge to resolve all DNS ...
7
votes
2answers
8k views

Use Wireless and Wired connections at the same time

My laptop is running on Windows XP Professional and I have both a Wired and a wireless connection. There are two intranets, one in each connection and I need to be able to access both of them. Is it ...
2
votes
2answers
5k views

iPod Touch Networking Without Wifi

I'm in a wifi-less office. It's a no go. Is there a way I can connect my iPod Touch to my network with out using wifi. Perhaps using my workstation as a proxy (without having to resort to the ...
11
votes
3answers
148k views

How to reinstall the TCP/IP protocol driver on Windows 7?

How to reinstall the TCP/IP protocol driver on Windows 7?
3
votes
1answer
499 views

Limiting network connections to specific sites when travelling / tethered (in windows)

I often find myself accessing the Internet while travelling via either (gasp) dial-up or via a very limited data plan on a cell phone. I'd like to make sure that my laptop does not use the network ...
3
votes
6answers
2k views

How can I configure my ADSL modem and Home PC to be able to access from external?

I tried to do it some years ago without success. If I remember well there were more software involved, maybe now the process is easier. Practically I have an ADSL connection with dynamic IP and I ...
59
votes
9answers
98k views

Make Windows 7 ignore WiFi when ethernet is available

When I dock my Windows 7 laptop, I want it to prefer the wired ethernet connection over WiFi. This is a pretty straightforward thing to do on my Mac - I just reorder my network preferences, and it ...
23
votes
9answers
5k views

How to track LAN usage? (AKA 'top for LAN')

There's an evil application that is eating ALL my upload bandwidth (I'm brazilian, it's only ~35kbps) for like 80% of the time my PC is turned on. I would like to know if there's any way to track ...
16
votes
12answers
2k views

What is the most practical security method for a home wireless network?

Quoting Ars Technica: Proper wireless network (802.11a/b/g/n) security is quite simply out of reach for most organizations. ... Given that WEP (both 64- and 128-bit), WPA1/2 (PSK), and ...
23
votes
3answers
78k views

What's the difference between RDP vs VNC?

Okay I was playing around with the iPhone Jaadu App and I realized I download the wrong desktop client. So what's really the difference between the RDP and VNC? (because there is Jaadu RDP and Jaadu ...
11
votes
8answers
38k views

How can I make VNC faster?

I need to remotely access and use my work computer a few times a week. I want to use VNC because of the price. I've used VNC before, mostly on my own network, where it's fast. However, VNC over the ...
12
votes
5answers
19k views

How does Windows 7 decide which route to take if 2 connections to an internet source exist? (e.g. a Wireless and an Ethernet one to a router)

How does Windows 7 decide which route to take if 2 connections to the Internet exist? (e.g. wireless versus wired)
9
votes
1answer
3k views

How can I force certain applications to use specific network connections?

Let's say I have two active network connections that let me out to the internet. I want certain applications to only use Network Connection 1, while some others should use Network Connection 2. Is ...
8
votes
3answers
46k views

How can I change the binding order of network adapters in Windows 7?

The end goal here is that I am trying to install an Oracle 10g server on my Windows 7 x64 dev box. I use DHCP, and the Oracle installer is throwing up this warning: Checking Network Configuration ...
9
votes
2answers
10k views

how to access samba on a guest Linux behind the VirtualBox NAT?

On my laptop, I'm running Ubuntu 9.10 under WinXP using VirtualBox 3.1.2. I want a setup where: The guest can freely access the internet. The host can access the guest files via Samba. The setup ...
2
votes
3answers
696 views

Vista pc hidden from XP?

I have a Vista-based media center, and two XP-based desktop computers, all on a simple home WLAN network (DSL/WLAN router). The Vista computer can see all other computers and transfer/modify files ...
11
votes
6answers
25k views

Can I route programs to two internet connections simultaneously in Windows 7?

I have two internet connections - one via a 3G modem, and the other via wireless. The modem is faster so I normally browse with it, but it does not support torrent downloads while my wireless does. ...
8
votes
3answers
18k views

How can I speed up data transfer between local computers on a WiFi network?

I have a router with ADSL Pentagram Cerberus 6331-42. Is it normal to have transfer speeds between two computers of max 1MB/s (not 1 Mbit)? How can I set my router up to make it faster at transferring ...
9
votes
5answers
8k views

Merging two incoming broadband lines for faster internet

We have a broadband line coming into our building which delivers around 8-10mbps, which is ok but not great, although fibre is available in our area (30-100mbps) its not available where we are just ...
9
votes
2answers
4k views

Is your MAC address revealed when you hit up a website?

When you hit up a site, such as cnn.com, does the TCP/IP packet contain the MAC address of your network card? Could cnn.com theoretically record my MAC address?
3
votes
5answers
2k views

Editing the hosts file

I'm looking to edit the Windows TCP/IP hosts file (at c:\windows\system32\drivers\etc\hosts). I'm wondering, what is the best way to do this (on Windows XP)? Let's say that I want to redirect, say, ...
5
votes
3answers
548 views

Is there some way to connect two computers using USB?

USB is a popular standard and I was wondering whether there is some way to connect two or more computers using USB ports rather than the Ethernet ports.
3
votes
7answers
4k views

Connecting a ADSL router to a wireless router. What am I doing wrong?

What is the correct way to do it? This are the steps I have taken: Disable DHCP in Wireless router Setup a fixed IP (192.168.1.2) and telling that the default Gateway is 192.168.1.1 (the ADSL ...
1
vote
1answer
5k views

MSG command in Windows 7

I am unable to send messages to other computers, which are connected through a TP link router. We can share files, but cannot send a message using the msg command. It just shows the message to my ...