WiFi is a layer 1 and 2 networking protocol for wireless communication between devices. It is typically used in local networks for client access, but can also be used in point-to-point network links. WPA is used to encrypt traffic.

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Installing WiFi in a church for internet access

a colleague at work asked this question: My local church want to get WiFi enabled in the whole of their offices and main church building. The offices and main building are in the same ...
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235 views

Auto switching between wired and wireless connections

How about this situation. Our business deals a lot with medical information. And some of our clients have demands based off HIPPA, etc. There is one now where they do not want an employee to have both ...
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2answers
410 views

Can't Ping - Wireless network of home [closed]

This may seem like other ping problem, but I have tried a lot before posting it here. I have a linksys WRT54G - firmware v8.00.8. I have two laptops one windows vista (192.168.1.99) and Windows Xp ...
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3answers
433 views

can't find ip of wifi acess point

I setup an wireless AP (linksys wifi router) to have no dhcp and point to the main router as the default gateway. I also set it up to obtain a ip from the network but when i go to my main router and ...
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1answer
240 views

Using two Cisco Aironet 1100's

Is it possible to use two of these both providing connectivity to the same network name for additional signal by having one plugged into a hot data port and having the other only powered by the AC? It ...
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2answers
2k views

Should I be on different Channels for this WiFi network?

I'm not sure if our 3 routers, in our wifi network, should be on separate channels (so each can maximize the bandwidth per channel) ? Our office is networked via WiFi. It is in the shape of a 'L' ...
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4answers
6k views

TightVNC viewer doesn't show anything when I click/type

We have a wireless network where I work. I've installed TightVNC viewer on a WinXP box, and I'm using it to connect to my laptop which has Ubuntu 9.04 installed. So far, everything works right up to ...
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1answer
88 views

Securing open access point

I need to have multiple yet unknown devices to connect to an open wireless AP. I plug various mesurement instruments on this wireless network I also have an existing network with multiple desktops ...
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3answers
100 views

One LAN: Two (or more) wireless APs?

For coverage reasons, I'd like to deploy 2 wireless access points for my LAN. Do I just plug both AP's in to the same wired lan, and set them both to the same SSID & PSK? (On different channels, ...
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132 views

wired to wireless to wired network

There's a small network that's in 1 building that we want to extend to another building about 75 feet away but running an Ethernet cable is not easily doable. I'd like to extend the network wirelessly ...
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4answers
2k views

Continuous Bandwidth / Throughput Meter

I am building a wireless link between two points using Wireless-N standard. To determine the best position of the antennas, there is a signal strength indicator on the antennas. The problem is the ...
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1answer
142 views

Fixed wireless Internet connections vs. T1 vs. DSL

I run a small business in Mountain View CA, and (as surprising as it sounds) I cannot get traditional high-speed Internet providers (e.g. Comcast, AT&T, Verizon, etc) to install DSL in my office ...
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2answers
1k views

Tunnel into Sonicwall VPN while on Sonicwall wifi?

I am able to hit my company's VPN while I am at home using a dedicated IP with no issue. When I am at work, the VPN we use (a Sonicwall router/VPN/wifi access point), I can get outside internet fine, ...
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1answer
332 views

Can a laptop connect wirelessly to any NAS on a network it shares?

I know the question in the title is a bit broad. I'm a little confused about NAS storage. I have a Macbook Pro, and I want to set up a NAS Raid box that will be attached via ethernet to my router. ...
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2answers
11k views

Blocking YouTube website using WiFi and/or DSL Router

Is it possible to block certain websites e.g. YouTube on all computers without having to configure something on each and every computer. I have access to WiFi router and the DSL router. Is there any ...
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1answer
445 views

Using Wireless on Windows Server 2008 R2

I've got EDIMAX EW-7318USg - USB network adapter, it works fine in Windows 7 but somehow i couldn't get it to work on my Windows Server 2008 R2 ? Has anyone tried to use Wireless LAN in Server 2008 ...
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5answers
401 views

Mitigating risks of HTTP session hijacking on open WiFi networks with VPS

The new Firefox extension Firesheep highlights the fact that HTTP login sessions can be easily hijacked if the data can be sniffed, which is trivial on an open WiFi network. I would like to set up ...
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216 views

Wireless cuts out after 10 - 15 machines connect

I am suffering a bit of a problem where if we have more than 15 machines connecting to the access point it will connect, but the ping will be in the thousands and drop connection and cut all wireless ...
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1answer
989 views

router advertisements do not go through wired/wireless bridge

The full setup: A Netgear CVBG834G cable modem+router (4*Ethernet+WiFi) configured in bridge mode (and WiFi shut down) whose sole role is to serve a public IPv4 address on its LAN port to... an ...
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4answers
692 views

WiFi planning tool

I am going to build a complex wifi network in a large building, so I am looking for a kind of software, which can: Plan APs positions on a map (ex: floor map) Draw AP's theoretical coverage ...
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2answers
877 views

Can't ping wireless laptop from internal network

If I connect a laptop wirelessly to my router it gets assigned an IP of 192.168.4.X. If I use a wired computer inside the same network (IP:192.168.2.X) I am not able to ping the laptop, but I am able ...
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3answers
529 views

Why are Wireless Networks more vulnerable to ARP Poisoning?

I have heard a lot of people mention that wireless networks are far more vulnerable to ARP poisoning attacks. Why would this be so? Why could you not employ similar protections as for a switched ...
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2answers
3k views

How can I enable WPA2 on Windows 7 when sharing an ethernet connection over wireless?

I have shared my ethernet connection over wireless in Windows 7 using the method outlined in the accepted answer here: Windows 7 - wireless connection sharing. My wireless card is a TP-Link ...
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1answer
64 views

Sharing VM over Airport

I've setup a Debian Virtual Machine as a development webserver on my desktop Mac OS X. I'm using shared networking for internet access and I've setup a static IP address. It's running Apache2 and SSL. ...
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115 views

Wireless configuration solutions?

I'm planning to draft a plan for 802.11g wireless network coverage of a distribution center floor. This distribution center is rolling out a new barcode label system. The barcode readers are portable ...
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1answer
373 views

Looking for a pci wireless card for a ubuntu-based access point. Any recommendations?

I have recently been trying to setup a wireless access point on a small ubuntu server, but the wifi card doesn't seem to be compatible. Its a Dlink DWA-552, which I was hoping would work, but the ...
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1answer
304 views

How can I determine which house is originating a WiFi signal? [closed]

A buddy of mine used to make money by going to houses that had unsecured wireless networks, explaining the risks, and charging them $25 to turn on encryption. The hardest part is figuring out which ...
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2answers
1k views

Intermittent “no route to host” error on Linux

I have 2 computers on the same network: 10.0.0.4 10.0.0.5 If I leave things idle for about 10 minutes or so, when I attempt to connect between them, I get: $ ssh user@10.0.0.4 $ ssh: connect to host ...
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590 views

Can I translate the MAC address to the exact ethernet card model?

I know that if I have the mac address I can find the vendor of the card but is it possible to find the exact model?
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175 views

Using a laptop as a server via wifi over a VPN using DHCP

My application lives on a laptop which will be on the company's wireless network. So what are the limitations because of this? The place I work has a wireless network which is given public access to ...
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1answer
2k views

Why can't I “decode” packets using Wireshark and some wireless network?

Re, I have no problem capturing packets on various wireless hotspots but there are a couple in my town that I just cannot understand why packets aren't being captured, other than those of my own. ...
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5answers
2k views

How to encrypt my web traffic?

I am using a wireless LAN (or sometimes a wired connection) connection for web surfing and any one from my campus can use the network. I simply want to encrypt my all data which is going between my ...
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2answers
2k views

Using Ubuntu 10.04 as access point

Is there an easy way to configure Ubuntu laptop as access point? Sometimes when I only have cable connection to the internet I would like to give my gadgets access to the internet using WiFi. Is it ...
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1answer
1k views

Extract files from traffic captured with WireShark

Is there a way to extract image, video files from WireShark capture files? Is there a tool to achieve this?
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What's the maximum number of wifi connections for a single WiFi router?

We've got a Draytek 2829VN Wifi router and I'm wondering how many concurrent connections I should expect a router of this kind to cope with? We are looking to connect 60 iPads! I'd also be ...
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212 views

Plugging domain controller into another network

I have a W2K8 domain controller network and everything was working perfectly on a network router on 192.168.0.1. It is also a DHCP server. I had to temporarily move the domain controller into another ...
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1answer
138 views

Multicast over 802.11b wireless

How do wireless routers behave with regards to multicast traffic? Given that nature of the shared physical medium routing to specific ports is not possible. Therefore, are mutlticast packets ...
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413 views

Lan on Wifi, internet on 3g Windows 7

I'm using Windows 7 and I'm currently without DSL because we've just moved. I'm using my iphone tethered as a 3G modem but whenever I turn on the wifi I'm unable to browse the internet. How do I ...
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1answer
185 views

Ubuntu - 3G Wireless Internet Security

I have a standalone Ubuntu 10.04 server (+ gnome) with a wireless 3G internet connection that is used to download data from an ftp server, process it, and then upload it again. Remote administration ...
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1answer
243 views

Small office 802.11n router / access point that doesn't suck [closed]

I'm looking for a wireless n access point for a small office, about 9 people. I've been looking around, and it seems all the n series access points or routers are just terrible. Originally I was ...
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2answers
395 views

Limited bandwidth using wireless modem

I would like to set up a couple of wireless modems in a mall but limit the access to wireless by 10MB per user. Is there any good software I can use to manage this? Many thanks!
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1answer
3k views

WPA2 Group Key Renewal — Will connection be dropped?

I used to set my WiFi security using WEP to support legacy WiFi dongles that can't handle WPA (or other new encryption scheme). Recently, I've dumped those old dongles and got new ones. I am now ...
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1answer
212 views

Wireless access authentication

I'm hoping to get some feedback and ideas about implementation. Recently in one of our facilities we deployed 4 wireless access points which are Cisco WAP4410N devices. We are looking to do ...
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7answers
10k views

How to detect rogue WIFI routers on a network?

My client recently changed their network policy so now all WIFI routers are disallowed from the network. They said they would be running some scans and that they would be able to find "rogue" WIFI ...
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1answer
200 views

Two routers or one router and WAP?

I have an ADSL2 router/modem with internet access and I want to access 3 IP cameras (3 network clients) over wireless behind that router from the internet. My problem is that the ADSL2 router/modem ...
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2answers
2k views

How do I diagnose problems of dropped packets on a wireless network?

I have a wireless network between two buildings that seems to work fine but when I ping across the networks I see an average of about 10% dropped packets (over several days or however long the ping in ...
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1answer
1k views

Using PFSense to securely connect two networks

At our local office we have a WAN connection which we break off into two VLANs using a Cisco RVS4000 Router: Our main gigabit ethernet wired network 10.1.0.0/24 and a wireless network 172.16.1.0/24. ...
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1answer
1k views

WiFi repeater on two DIR-320 routers

I own 2 DIR-320 WiFi routers from DLINK. I also own 3-floor house. I installed single router on 3rd floor and found that signal strength on 1st floor is poor. I'd like to install 2nd DIR-320 on 1st ...
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4answers
138 views

Replacement for a long wire to the router

I have a cisco-linksys wireless router through which multiple computers/printers and iphones are connected. Also, two switch ports are occupied by a desktop and a ip camera. I want to connect another ...
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1answer
763 views

HP MSM410 WAP Wireless security mode: restrict to default gateway or off?

I have an HP MSM410 wireless access point and when I first configured it I couldn't access any other devices on the network, but I could access the internet fine. I figured out that this was because ...