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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2
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3answers
270 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 ...
2
votes
1answer
617 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 ...
0
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0answers
38 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 ...
0
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0answers
253 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 ...
0
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0answers
132 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 ...
3
votes
2answers
495 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 ...
0
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0answers
327 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 ...
0
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0answers
224 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 ...
0
votes
2answers
143 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, ...
0
votes
1answer
53 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%, ...
1
vote
1answer
153 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 ...
1
vote
1answer
24 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 ...
-4
votes
1answer
4k 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 ...
0
votes
5answers
3k 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 ...
0
votes
0answers
262 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 ...
0
votes
1answer
692 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 ...
-2
votes
1answer
937 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 ...
4
votes
4answers
591 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 ...
0
votes
2answers
157 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 ...
-1
votes
1answer
41 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 ...
-2
votes
1answer
631 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 ...
0
votes
1answer
87 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 ...
0
votes
0answers
92 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 ...
1
vote
0answers
40 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 ...
0
votes
1answer
105 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 ...
1
vote
2answers
1k views

Which Layer of the OSI model is responsible for encryption in WLANS?

Since WEP and WPA/WPA2 encrypt the payload of 802.11 MAC frames and we know that MAC goes under the Data Link Layer (Layer 2), can we also assume that encryption occurs in Layer 2 as well? At least ...
0
votes
1answer
45 views

Two different SSID's on the same chanel. Is it safe?

If I have multiple network, that have their SSID's on the same channel, can I go into monitor mode(of the wifi interface) and capture packets of the other SSID?
1
vote
2answers
149 views

Restrict access to service to WiFi users

I would like to restrict access to a cloud service based on the network where the requests are coming from. I have control over both the network, and the cloud service receiving requests from within ...
3
votes
1answer
689 views

How does an Access Point handle broadcast packets from the wired side?

I have an Cisco AP 1242AG autonomous AP connected to L2 switches. Let's say I have 100 wired devices each sending 2 broadcast UDP packets per second. Obviously these packets will reach the Access ...
0
votes
1answer
57 views

Connect Multiple Networks Wirelessly [closed]

I have a home network using a router to connect computers both wirelessly and with network cables. I also have another separate network about 10m away from my home network that is networked via ...
0
votes
1answer
125 views

software based captive portal for wide area [closed]

I'm trying to organise some wide wifi network imagine a small town with several wifi points when user is connected to a wifi point, device is redirected to captive-portal(cp) website where they must ...
0
votes
1answer
120 views

Vlan between Pfsense and Proxim hotspots

We want to plugin some hotspots to an existing network. Because we will account the hotspot traffic, it is important to route all traffic from the hotspots to the hotspot router. I tried to do the ...
0
votes
3answers
50 views

s/m business wifi access [closed]

At the moment my company is aiming to split offices. We are in a business park and remaining in the same building, this is only temporary, but several of us are moving into a smaller office about ...
2
votes
1answer
83 views

How to configure an Extreme Networks Altitude 451 for stand-alone AP use?

I have an Extreme Networks Altitude 451 (15801) wireless N access point. It is usually set up and managed using a controller unit, but I am hoping it is possible to configure one of these to work ...
1
vote
0answers
49 views

Improbably high bitrate in the output of “iw wlan0 link”

I am trying to determine the bitrate of a wireless connection that uses the nl80211 driver on a Linux 2.6.39 machine. I am actually using a Netlink socket internally, but the effect is the same as ...
0
votes
5answers
180 views

Giving an IP address outside the network to the router to safely make it a switch?

In our office, all machines use IP address 192.168.0.x with subnet mask 255.255.255.0, the network setup is as below: We only had routerA before. But since its wireless signal is too weak (much ...
1
vote
1answer
4k views

Wireless Multicast Forwarding on OpenWRT

Good day! We need to connect an STB device over wi-fi to the router. STB uses multicast only. Using udpxy is not possible. Original firmware forwards multicast over wi-fi using mac changing ...
1
vote
0answers
85 views

Cisco 5508 - One WLAN not pulling from Windows DHCP

We have an existing Cisco 5508 doing all our WLAN/WAP functions. Windows 2008R2 DHCP server. There are currently 4 WLAN's, functioning properly. We are running out of addresses on our corporate ...
1
vote
1answer
67 views

What network/device info can be obtained from an iOS device connected to an 802.11u-enabled access point?

In order to perform some device security validations, I need canonical references to what device/hardware/network information can be obtained from an iOS device connected to an 802.11u-enabled access ...
0
votes
2answers
197 views

Radius Authentication

I will first tell you a little bit about how I am set up. I have wireless clients connecting to an ARUBA Mobility Controller using a RADIUS server for Authentication. I need to ensure I can get ...
3
votes
1answer
4k views

Configuring Cisco AIR-CAP-2602i as the only WLAN AP on the network

I apologise in advance I'm about half way through CCNA so I may be using incorrect terminology. I've been tasked with putting in a new network at work, topology as follows: Router Cisco 887VA-M-K9 | ...
0
votes
1answer
41 views

Wireless performance, normal results

Here is the setup: An IBM server machine connected to a TP-Link TL-WR1043ND (latest firmware). It is connected with a wired gigabit connection. An lenovo laptop with a centrino wireless-n 2230 and a ...
0
votes
1answer
661 views

GMail App (Android) not showing notifications behind corporate firewall

User has a Nexus 4 (running Android 4.4.2 KitKat). When an email arrives in their GMail account inbox the phone does not notify the user of the email. The user has to open the GMail app on the phone ...
2
votes
1answer
294 views

Practical Limits of Configuring WLAN SSIDs via Group Policy on Windows 7

Is there a practical limit to the number of SSIDs that can be configured on a single WLAN profile via Group Policy on Windows 7? I am thinking about hundreds of SSIDs in a single WLAN profile. ...
1
vote
0answers
187 views

Android device cant access a website

The company i work for is having a weird problem. They have a website. You can access their website from any device, anywhere, easily. But when we are in the office, android device that are on ...
2
votes
1answer
1k views

Detailed statistics using Ubiquiti UniFi hardware

I'm using UniFi manager to manage 10+ sites with 3-5 hotspots per site, and I look for more detailed statistics that the one offered by UniFi manager, such as: following an user through different ...
0
votes
0answers
34 views

How does Hotspot work for its authentication?

I'd like to know how an Hotspot can understand that a user leave the Network? How can it understand that the user closed his session? Is there any solution that server can understand the user became ...
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votes
3answers
9k views

Blocking WhatsApp and other IM traffic

In my office, I have set up a linux machine as router and provide internet connectivity to all clients. Behind this linux router I have set up a cisco wireless router, with which I have made internet ...
1
vote
0answers
133 views

Guest wireless. HP to Cisco VLANs

I'm having trouble getting guest Internet access working. I have HP V-M200 WAPs and a Cisco RV042G for internet and a HP 1910 switch in the middle. I created a second Wireless Community/SSID on the ...
-1
votes
1answer
2k views

Domain name works with 3G connection but not on WiFi

I'm an administrator on two different SBS 2011 servers. Both servers are running MS Exchange. They are on different physical location, different hardware, different domains both internally and ...