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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Changing Network Subnet Limited User Access

Our network was originally running a 192.168.3.1 /24 network with 192.168.3.1 being the gateway on a pfSense box. We decided to increase our IP range by changing the network to a 192.168.3.1 /23 ...
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2answers
37 views

TWO routers/modems, ONE network. Wireless Device DHCP

My company's network contains various LAN workstations and Servers, controlled by a Smoothwall firewall/gateway. Currently the Smoothwall routes outbound traffic automatically to an ADSL model (it ...
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0answers
4 views

How to debug wifi setup on OpenWrt? [migrated]

I have TP-LINK MR3020 device, which is connected to my laptop via UTP cable. It is accessible. I have installed full distribution recently, but then broke it and went from scratch with ...
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2answers
45 views

How to connect two building 5km apart from eachother?

I have to design a network and give an estimate of the cost of all the equipment. Now I have 3 building 100m apart which I'll connect with Fiber without a problem. Two of those though are connected ...
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29 views

How can I limit total quota using squid without authentication for per user

I am having Raspberry Pi running Raspbian, I have configured it as a wifi hotspot using hostapd and dhcpd, I have configured transparent squid proxy server on it. Now all traffic goes through my proxy ...
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1answer
16 views

DSR-250N Wifi clients can see each other?

Is there any change you can isolate wifi traffic between the wifi clients for this (DSR-250N) specific router? I have a wifi client (app) that can't open a wifi (ZEBRA printer) port, getting ...
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0answers
17 views

Automatic open browser when connecting to wifi spot [duplicate]

I have a webserver which is connected to my dd-wrt router with a wire. I want to accomplish a "hotspot" like feature where wifi clients get redirected to a "accept the terms" page. I want to redirect ...
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1answer
39 views

Do all captive portal solutions work the same way? (cookie, vs MAC address, vs other?)

While traveling and having to interact with a number of broken captive portal implementations I've overheard other passengers having usability issues with iPads, Phones, computers depending on the ...
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3answers
127 views

Wireless network infrastructure for an office with 40 employees

In my company we're facing connectivity problems due to our not very professional network infrastructure. We're growing now, and we expect to be 40 people at the office by the end of the year. I'm ...
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1answer
24 views

Which interference is the lesser evil when setting up wifi

The situation When I was looking into improving my wireless connection I found that it may help to change the channel. Example circumstances I have narrowed my options down to two, but am not sure ...
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1answer
58 views

Different throughput Ethernet-Wireless Wireless-Ethernet

I've built an open source implementation of RFC2544 to test IPv4 network devices. One of the first devices I tested is a wireless router D-Link 2640B. In order to measure its performance I use a ...
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3 views

Convert Windows 7 Machine to wifihotspot [migrated]

I have started a Wifi Hotspot on Windows 7 Machine & Connected my Mobile device to the hotspot. But it does not have internet access. I am also not able to share the internet connection hence I ...
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14 views

Android mobiles can't access internet via range extender [migrated]

I have recently bought a TP-Link Range extender (TL-WA830RE) to extend my existing wireless network. I am using a TP-Link Adsl Router (TD-W8961ND). The network configuration is the following: For the ...
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0answers
17 views

Easiest way to find specific AP by MAC address

I have been blessed with the task of finding an AP which has lost the connection from the wireless controller, but is still powered on, has the config from the controller and is broadcasting the SSID. ...
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0answers
2 views

Cannot access LAN resources when connected via wireless [migrated]

My ISP provided a BEC 7800 TN R2 router with wireless capability for my home. I have a Windows desktop computer connected via Ethernet cable to the router. I have no problems with my desktop computer. ...
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0answers
3 views

VPN on SSID #2 (OpenWRT) [migrated]

I am a new at openwrt (attitude adjustment - TP-Link WDR3600), i am trying to get a OpenVPN On Dedicated Wireless Access Point (VAP). Let me show you what i'm trying to do here with visuals, ...
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0answers
18 views

Low WLAN throughput despite claimed fast connection

I have so following setup and suffering from low throughput and high latency and I have no clue why thats the case: Server (192.168.2.2) <--> AP (192.168.2.1) <--> Laptop (192.168.2.12) The ...
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1answer
20 views

Setting up NPS with a certificate that is valid to both AD and non-AD machines

I'm trying to setup an AD server running the NPS service so that both AD and non-AD machines see the certificate as valid when authenticating to the wireless network. I picked up a cert from GoDaddy ...
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23 views

I need to enable wifi access through terminal in OS X

I am clearing out an old Mac Lab to recycle the Imacs throughout the organisation. I think my predecessor issued a terminal command to disable wifi access and none will allow the wifi to be active for ...
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1answer
136 views

Configure FreeRADIUS with Active Driectory allow specific group of users to authenticate

In order to authenticate WiFi clients I use a FreeRADIUS server configured to check for user credentials in an Active Directory environment. Currently all users with a valid account are authenticated ...
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1answer
81 views

Port Mirroring to Mac Thunderbolt Ethernet [closed]

I have a switch with port mirroring enabled. So one port is the source port, and the other is the mirror port. In the source port, I have a wifi router plugged in. The mirror port is connected to ...
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41 views

Unable to communicate with web proxy server on iOS

I am following the instructions on how to use a HTTP proxy with an iPhone, however I appear unable to communicate with the HTTP proxy. I have configured the settings in my phone correctly to use the ...
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0answers
6 views

Can AMPDU have different ACK policy MPDUs?

Can an Aggregated packet have different ack policy MPDUs like Normal ACK or Block ACK etc. IEEE802.11 specification defines that MPDUs must have same RA address, same TID, same EOSP and same TXOP ...
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2answers
65 views

Wireless adapter driver failure after Windows 8 update

Yesterday we deployed some of the latest Windows 8 and 8.1 updates to our users. One of them did loose network connectivity after the update. It turned out that their wireless adapter's driver was ...
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1answer
57 views

HTML served from localhost is being modified by ISP [closed]

I took my laptop to a local restaurant yesterday to do some work setting up a new web app. I get the server in place, and created a simple HTML page: <html> <body>Hello, ...
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3answers
108 views

Is there any point securing a “guest” wifi network with WPA?

We have a guest wifi network setup on a separate VLAN, using an open connection (e.g. NO wpa/wep). A (semi-technical) customer recently complained that he wasn't happy about his traffic not being ...
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1answer
145 views

WiFi deauthentication issue

I would like to find a root of the WiFi issue we've got in our working environment. Few words about WiFi infrastructure We are using now Apple solution. Three brand-new access points from Apple ...
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0answers
27 views

Wireless card fails every three days

I have a user with a brand new Lenovo x240 running windows 7 pro with Eset Endpoint Antivirus and IP Vanish VPN. The user moves between three different work sites on a daily basis, each with it's own ...
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111 views

Unable to connect Zentyal 3.2 to WiFi network

I've just installed Zentyal 3.2 as 3.4 wouldn't work with a USB keyboard, and it's all installed fine. However I'm trying to connect my server's wlan0 to my WiFi network so that my laptop can connect ...
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72 views

Access switch on the LAN from a WLAN connection Sonicwall TZ205

I have a setup like the following Modem >>> Sonicwall TZ205 >>>> Linksys 8 port smart POE switch >>>> Linksys LRT224 When I am on the LAN through a wired connection ...
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2answers
129 views

Ensure drive is mapped at login on laptop with strictly wireless

So, $software runs on a 'server' (windows client w/ file sharing to share out the db folder), and laptop client has the drive mapped and $software also installed. This is the vendor's recommended ...
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110 views

If I enable bandwidth control on my wifi router can I handle more connections reliably?

I have a small router (TP-Link TL-WR841N) bandwidth is 300 Mbps. With default settings it cannot handle more than 10 connections without choking and kicking people out. Theoretically, however, it can ...
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0answers
120 views

Cisco WAP321 Access Point Locking Up Daily

We have a Cisco WAP321 Small Business Access Point (WAP321-A-K9 V01 Non Clustered) that has about 15-20 users (Phones and Tablets). The device has been randomly locking up every day to the point ...
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2answers
91 views

How to get stable WIFI connection between phone and router when thousands of irrelevant phones are around?

I want to use Android phones to check tickets at the gate of an event. These phones are connected to a password protected router (WPA2) and a PC to validate. That all works nicely in a test setting, ...
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1answer
42 views

Theoretical Wi-Fi decay

Is there a way to (theoretically at least) calculate the decay on bandwith of a Wifi related to the streght signal? For example, I know that I can theoretically expect 54Mbps of a 802.11g at 100%, ...
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1answer
69 views

Switch to switch encryption over a wireless bridge (TrustSec?)

I am planning to connect an existing Cisco 3750 switch to a 3560C switch over a wireless PTP bridge. The bridge will be WPA2 protected, but I am looking for an additional measure of security between ...
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1answer
22 views

Access domain A while authenticated against domain B [closed]

In my school, there are 2 domains; A (primary) and B (secondary). A contains the resources required by staff and students. Connecting to the wireless network requires authentication with an account ...
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1answer
866 views

Does adding ?.jpg after url really bypasses wifi security? And how? [closed]

So I stumbled upon the following lifehack the other day: I currently don't have access to an airport with expensive WiFi but it seems that adding ?.jpg to any url doesn't cause any problems with ...
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5answers
977 views

Static ip using a router and DHCP [closed]

I have been trying to understand and achieve assigning a static IP address to my machine, while being connected to a router (WiFi) and using DHCP. My scenario is thus simple, but I think I missing ...
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0answers
201 views

Is there any way by which I can capture the wifi probe requests without using monitor mode?

For some reason, keeping the wifi interface in monitor mode on my machine is crashing it(its a raspberry pi, I'm assuming its crashing because of the amount of traffic being intercepted, but lets not ...
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1answer
303 views

Fortinet Fortigate software switch configured IP not accessible

I'm trying to get a software switch configuration working on a Fortigate 100D. It appears like devices plugged into the software switch ports can communicate between each-other, but they cannot reach ...
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votes
1answer
406 views

Wireless router URL redirection [closed]

I'm trying to "filter" explicit URLs (+18/21) from network traffic and redirect to another website. I have physical access to router inside my home, computer and router local web-access, which let's ...
2
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4answers
248 views

One second delay before tcpdump returns packets

Using Ubuntu, I'm trying to sync tcpdump sniffing with self-identifying "pings" from a client device. The problem is that getting precise starts and stops is made difficult by what looks like a ...
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2answers
21 views

Access Domain over Wireless

I have an active directory server and all hard wired clients connect perfectly fine. However any wireless clients do not recognize that they are connected to the domain, despite the dns server being ...
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1answer
34 views

Reduce unwanted “connect to network” attempts with wireless password [closed]

My university recently added a 5-digit (WEP) network password to their wireless network. (This is in addition to a login page that requires university credentials.) I emailed them, and they said the ...
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1answer
173 views

Easiest routing solution for a typical firewall with WiFi routers setup - WAN-2-hops-away network

Suppose a local network connected to the internet via a single firewall router. Devices that connect directly (= using only layer 2 devices) to that router are: hosts WiFi routers providing the ...
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1answer
50 views

Wifi repeater 3com 7760

I have a problem with a wifi repeater that I am configuring (3Com Wireless 7760) Here some pictures of my installation of the device: https://imgur.com/a/v9uiF According to the manual of the ...
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0answers
41 views

muliple ssid's on same interface

I am working on centos6. I have 1 wifi interface. Can I create a virtual interface and create an adhoc network with it (my 'real' wifi interface is already connected to another ssid). This is what I ...
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0answers
18 views

How can I get QoS over a WDS bridge on Cisco WAP551

I have two Cisco WAP551 devices bridging two physical locations wirelessly across the street from each other (200 feet, line-of-sight through a window). This is replacing a much, much older wireless ...
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1answer
88 views

USB hub or wirless router for synchronizing up to 50 tablets in charging cart

We are building a cart to secure and charge up to 50 Nexus 7 tablets. The tablets need to synchronize databases nightly. Range will not be an issue as the tablets will all be within about 5' of the ...