Also known as WiFi. This tag should be used when asking home WiFi networking questions or connecting your personal computer to a public network. Questions about enterprise or corporate wireless networks are off topic.

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429
votes
4answers
520k views

How can I get the same SSID for multiple access points?

I need to upgrade my existing wireless infrastructure and this time I want 2 access points to cover my house, since I get blind spots no matter what with a single AP. I have physical cabling to my ...
39
votes
2answers
33k 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 ...
20
votes
3answers
127k 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 ...
20
votes
6answers
36k 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 ...
117
votes
4answers
31k views

How does Windows know whether it has internet access or if a Wi-Fi connection requires in-browser authentication?

In Windows 7, the notification area networking icon will show an error indicator if there is no internet access , and the error icon goes away once there is a successful connection to the internet . ...
10
votes
8answers
2k views

Which methods help to improve wireless signal?

My router is in my family room, and there's not much I can do to move it, it's in the corner of the house. My room and computer is upstairs and I only get a signal strength of about 17 percent while ...
25
votes
2answers
179k 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 ...
9
votes
4answers
7k 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 ...
17
votes
4answers
32k 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 ...
42
votes
2answers
16k views

What's the maximum actual bit rate of an 802.11g connection?

Using a wired connection, I get a 38 Mbit/s download speed. When I switch to wireless one (Linksys WRT54GL router with Tomato firmware), the speed drops to 23 Mbit/s even if the distance between the ...
6
votes
3answers
6k views

Hotel like Wifi manager

Does anyone knows which are these systems that manages paid wifi networks and some hotels and airports? Even better, would anyone know a open/free project that would do or could be adapted to that ...
5
votes
1answer
3k views

Automatically picking network settings based on the wifi network [duplicate]

Possible Duplicate: A good solution to switch between different network settings? Whenever I bring my laptop to office, to connect to the wireless network, I have to set the static IP ...
6
votes
1answer
93k views

How to replace a USB wireless mouse receiver in this case?

My mouse is quite good, but unfortunately the USB wireless receiver is as big as an adult's little finger (pinky). It breaks easily when the laptop is moved. I want a micro receiver and the company ...
68
votes
8answers
113k views

Is it better to use a crowded 2.4GHz Wi-Fi channel 1, 6, 11 or “unused” 3, 4, 8, or 9?

I understand that 2.4GHz Wi-Fi channels overlap, and that the most popular non-overlapping set of channels in the US is 1, 6, and 11. Generally, my signal strength on channels 1, 6, and 11 are much ...
82
votes
10answers
210k 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 ...
20
votes
7answers
9k views

How to extend Wi-Fi signal across rooms?

I moved into a new place and my old Wi-Fi router just doesn't have the range to get into all the rooms. I've been investigating a lot of options and I'm wondering what other folks have done here. ...
15
votes
2answers
10k views

How to run a program when connecting to a specific network in Windows 7

I want to have an executable run every time I connect to my wireless network at home. The purpose is to sync a folder on my laptop with my desktop machine. Is there any way run a program or script ...
18
votes
4answers
58k views

Tethering on Windows 7?

Is there an option in Windows 7 (or 3rd party) to offer Tethering (that is, act as a WiFi hotspot while being connected to a WiFi network?)
4
votes
2answers
5k views

What is a USB Wi-Fi dongle device that can emulate virtual mass storage device for a home video player?

What is a USB Wi-Fi dongle device that can emulate a virtual mass storage device for home video player, but in fact it shows the files from a network-shared enter code here folder?
12
votes
5answers
5k views

Automatically prefer Ethernet over WLAN

Is is possible to force IP connections over the wired ethernet if it is connected and over wireless LAN if the wired ethernet is unavailabe (e.g. cable disconnected). Both network connections would be ...
7
votes
2answers
9k 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
4answers
403 views

How to secure your home WiFi connection

Like many others I have a WiFi router which all my devices (XBOX, Smartphones, Laptop etc.) use to access the internet. Now I am looking at securing my connection to prevent any unauthorized access. ...
232
votes
12answers
52k views

Why does my microwave kill the Wi-Fi?

Every time I start the microwave in the kitchen, our home Wi-Fi stops working and all devices lose connection with our router! The kitchen and the Wi-Fi router are in opposite ends of the apartment ...
17
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 ...
11
votes
3answers
103k views

Is the wifi password stored somewhere in windows-7? [duplicate]

One of my friend connected me to the wifi in our area . Now my computer automatically connects to that wifi. I don't need to enter the password. I wanted to browse internet using my android phone. ...
22
votes
5answers
40k 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)
14
votes
5answers
18k views

Wired to wireless bridge in Linux

I am attempting to set up my Raspberry Pi as a bridge, using Debian wheezy. I have a hostapd.conf: (some details changed for security, and yes, I know WEP is no good)... interface=wlan0 bridge=br0 ...
14
votes
2answers
10k views

Should uploading a file on DSL kill the download speed?

I have the 20,127/893 Kbps service through CenturyLink DSL. I've ran speed test and it typically reports speeds close to that. Except whenever I upload something substantial. Like a video file to ...
8
votes
2answers
2k views

How can I configure my wireless network for the strongest security?

There seem to be many security features in wireless routers from MAC address filtering to the authentication type and data encryption. WPA or WPA2 PSK? AES or TKIP? When I set up a new wireless ...
5
votes
3answers
17k views

Multiple network connections on Windows 7

I'm using Windows 7 and I have 2 networks: one wireless with internet connection one wired with no internet connection The computer is connected to both. The problem is that although in Network ...
10
votes
4answers
48k views

How to get a stored WLAN “password” from Windows 7?

I'm trying to connect to my friends wireless network, but we don't know the password (ie. network/WEP/WPA key). The WLAN is secured by WPA2. My friend's laptop with Windows 7 connects automatically ...
7
votes
4answers
1k views

What's the best way to increase the range of my 802.11g router?

I have cable broadband, and as such the router has to be attached to a cable modem which also has to connect to the TV. That means the router is stuck in the corner of my house. This is good when I'm ...
5
votes
3answers
25k views

Wifi is slower than Ethernet cable connection?

I configured my new router and noticed that WiFi connection is way slower than Ethernet connection. Ethernet connection giving a download speed of ~60Mbps and upload speed of ~30Mbps while the Wifi ...
12
votes
2answers
45k 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?
5
votes
3answers
2k views

I think someone else has access to my wireless network. What next?

I kust realized that some other PC is also getting assigned a IP address (DHCP Lease) from my modem. I am sure this is not one of the PCs in my home. My modem was using WEP security. I know WEP is ...
3
votes
7answers
8k 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 ...
151
votes
9answers
23k views

Is it really possible for most enthusiasts to crack people's Wi-Fi networks?

Can most enthusiastic users (even if they are not professionals) use well-known techniques to break through the average home router's security? Some basic security options are: strong network ...
45
votes
2answers
89k views

Does a wireless-N (802.11n) network have poor performance when in b/g “mixed” mode?

It seems to be an "old" wives tale that, when using a wireless-N router in "mixed mode" to support legacy 802.11b or 802.11g devices, the performance of 802.11n clients will suffer. Some places ...
31
votes
12answers
6k views

Which routers do you prefer for DD-WRT or OpenWRT? [closed]

I'm aware of the giant Supported Devices list. I'm wondering which ones you all prefer (e.g., support for Mega install, cheap, reliable hardware, USB port, etc.) I've used an ASUS WL-500G Premium ...
22
votes
4answers
36k 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?
14
votes
3answers
24k views

How to give preference over one network connection over another?

Like most laptops, it has both ethernet and wireless networking options. Likewise, I have a wireless router with 10/100/1000 Mbs. 90% of the time, wireless speeds suffice. But once in a while, I ...
8
votes
4answers
39k views

When a PC has both a wired and a wireless connection, how is information transferred?

My PC has two connections (wireless and wired) simultaneously. Both of them have an internet connection. In this situation, how does it connect to the internet? How do my LAN and WLAN interfaces know ...
5
votes
2answers
20k views

Internet connection sharing over WIFI without modifying LAN adapter IP address

I have an Android phone (non-rooted Sony Ericsson ST15i) that I'd like to connect to the internet via my laptop's wired Ethernet connection (linked to my university network, that uses an ...
10
votes
7answers
56k views

How can I monitor network traffic in an all Mac home network?

I have an all Mac network consisting of an Airport Extreme, 1 MacPro, 1 Mac Mini, 2 MackBook Pros, 2 iPads, and 2 iPhones. The Mac Pro is connected directly to the Airport Extreme via Cat5 and the ...
9
votes
4answers
27k views

How many concurrent users can a single Wi-Fi AP handle?

How many users can a single Wi-Fi access point handle at one time? For example, can a single AP handle 100 concurrent users?
7
votes
3answers
699 views

Security on wireless mouse and keyboard

At work I am using a wireless mouse and keyboard. I was sitting at my desk this morning wondering if and how they are secured against key loggers. What stops another device from listening to my ...
7
votes
1answer
8k views

Can a Linux machine act as both a wireless client and access point simultaneously using a single physical WLAN interface?

If I have only 1 physical WLAN interface, is there some hackery that can be done so that it can be a client of an existing access point and at the same time also act as an access point for other ...
6
votes
3answers
12k views

Can I set up a website on a wifi router? [duplicate]

Possible Duplicate: Hotel like Wifi manager Sounds like a silly question, but bear with me.. If you go into Peet's Coffee and access the wifi, you're taken to a web page that requires a ...
6
votes
7answers
34k views

How can I beam my Wifi signal across the street?

So essentially I'm looking to extend my wireless internet to a building that is about 200ft away. Right now my wireless signal shows, but it is beyond weak. Does anyone know of a resource where I ...
6
votes
5answers
4k views

Unable to outside access service from inside LAN

I have a weird port forwarding problem. I tried to open my port 22 to the outside network. I was able to access it as long as I am not inside the LAN. I can access it from my office for example. But ...