Questions tagged [wifi]

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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How do I configure wireless VLANs on DD-WRT such that different wireless devices are in separate VLANs, e.g. salesVLAN, supportVLAN, etc.?

I have a wireless AP running dd-wrt. I have mobile phones, tablets, laptops, a printer and a scanner that all connect to the Wifi. Is it possible to apply VLANs to the wireless AP such that different ...
skeetastax's user avatar
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ath9k driver sees only some Wi-fi networks

I have PCI Wi-Fi adapter: 06:00.0 Network controller: Qualcomm Atheros AR9485 Wireless Network Adapter (rev 01) using ath9k driver. When I boot into Windows I can all all networks(including mine AP). ...
ibre5041's user avatar
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Non-PC devices don't have access to the Internet [migrated]

I have a home network and face an issue that all non-pc devices don't have an access to the internet, but the same time all my pcs (windows 10/11) have it stable. Diagram of my net: Some times it ...
Андрей NOP's user avatar
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Server is slow to reply to ping via WiFi interface, but not when sending traffic

The server is Fedora on amd64. It has an eth interface and an wifi one, 5GHz. From a machine in the same LAN, when I ping the server I see: Ping 192.168.2.20 (eth) gives <1 ms Ping 192.168.2.21 (...
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iperf3 download and upload test simultaniously giving abnormal results

I have a server (Lenovo using Ubuntu) and 2 clients (both Mac). The server is connected with a Wi-Fi router over Eth interface. The two clients are connected with Wi-Fi router over WLAN interface. All ...
SAM's user avatar
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Unable to brKali Linux 2023.3 RTNETLINK answers: No such device

As stated in title, I'm unable to bring any Ralink up. WLAN0 is in Dormant while WLAN1 is in Default. Yet nether will come up. How does one bring it from dormant to default? # lsusb Bus 001 Device ...
gkeylow's user avatar
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GPO Wireless Settings - Trusted Root CA

We pushed SSID configuration by GPO. Computer configuration > Policies > Security Settings > Wireless Network Policies. In these settings we enabled certificate authentication, however the ...
Jotabong's user avatar
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How to connect wireless clients to different physical subnets via a single access point but ensure traffic between subnets remains segmented

I’m trying to design a network with a pfSense Firewall / Router. In pfsense I have created four subnets that reside on separate physical ports (not VLANS) on the pfSense hardware: The idea will be ...
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How do I achieve a guest wifi set up with a Draytek AP810 and a Netgear GS728TPv2?

We have recently moved offices and so our facilities are bit more limited than they were before. We have a basic internet router (a BT Smart Hub for UK people) that doesn't have VLAN options and 4 LAN ...
Dominic Fitzpatrick's user avatar
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unable to authenticate using FreeRadius

I deployed freeradius and radtest looks good for localhost but when I sent Access-Request from external server, FreeRadius server doesn't reply: 2023-11-29 13:49:26.675791 (1) Access-Request Id 20 ...
deepansha's user avatar
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Firmware ath10k_pci Causes Errors

A few months ago I started using Debian SID. Whenever I start my system I see with journalctl -p 3 -xb: pcieport 0000:00:1c.5: AER: Error of this Agent is reported first ath10k_pci 0000:02:00.0: ...
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Getting err_tunnel_connection_failed and err_connection_timed_out when accessing URL

My company has deployed an SSO solution using Duende Identity Server and Okta We are using a proxy as the middleman between Identity Server and Okta: https://apacwelcome.saas.mrisoftware.com 99% of ...
David Klempfner's user avatar
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Setting up school wifi network with SSO linked to azure AD without local server

I am trying to restrict school Wi-Fi usage to staff and students. In addition would like to get user-wise usage data. Our current Wi-Fi network and access points are built on Cisco Access points and ...
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Wireless SSIDs restrictions for Windows Mac Ubuntu

I am an IT Admin and we are using Symanetc EndPoint protection, through this we have restricted external USB access.Now, I need to allow only office provided wireless access points to the office ...
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Sporadic loss of connection to internet when connected through corporate VPN

I've had this prolonged issue where my internet connection disconnects every now and then, but only when I'm connected through my corporate VPN outside of my office. Internet connection through WiFi ...
Marc Lee's user avatar
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Can a WPA2-EAP network be created with consumer hardware for testing purposes?

We are working on the firmware of some device containing a WiFi SoC. (The firmware of the SoC is not modified by us.) Our customer now wants support for WPA2-EAP because the WiFi chip seems to have ...
Martin Rosenau's user avatar
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If I change my router's IP address, why do all client devices assume it's at 192.168.1.1? [closed]

I've decided to set my router at some non "1.1" IP address. I have even created a QR code for connecting to the Wi-Fi. The problem is, it looks most devices assume that if the DNS address is ...
Ate Somebits's user avatar
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Capturing in monitor mode reports 0 packet for tshark

MacOS 13.4.1 I'm trying to capture 802.11 management packets with a real 802.11 headers (not just Ethernet header) with tshark. So trying to use % sudo tshark -i wifi0 -I -L Data link ...
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Using Google Authentication on iPhones on Aruba wireless

We have set up Google Authentication for our Aruba WiFi network. We are using Central (v 8 and 10 - both have the issue) and AP-515s and AP-535s. The solution works as expected on every platform ...
Jay Duff's user avatar
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iptables default deny all, allow IP unrestricted access

I have successfully setup a raspberry pi to function as an access point. I have a pi connected via ethernet to my router, and am able to connect to the pi's wifi network and access other devices on ...
ExecutionByFork's user avatar
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1 answer
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How to block Logitech unifying dongles

We need to block Logitech Unifying dongles now that it's public knowledge you can both sniff\decrypt keystrokes, and also inject keystrokes. Is there an easy way to block these common dongles with GPO ...
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Hostapd Wifi 6 channel not enabled though shown in iw list in Germany using Debian bookworm

I am trying to set up a Wifi 6 Access point with an Intel AX210 card on Debian Bookworm. My configuration of the hostapd.conf file looks like: interface=wlp2s0 bridge=br0 driver=nl80211 hw_mode=a ...
Ronny Forberger's user avatar
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No layer 2 traffic in an Open vSwitch bridge

I see no traffic in layer 2 and above in an OVS bridge, but I do see layer 1 traffic. I have the following setup: I have created a Linux VirtualBox VM with three adapters: NAT with port forwarding the ...
falhumai96's user avatar
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How can I improve connection from multiple devices to "server" over WiFi?

So this question is a bit vague, and it's partly because I'm not entirely sure what I should be asking. Hopefully someone here can point me in the right direction. What I'm trying to do: I have a ...
tdpu's user avatar
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408s and Request Issues on specific sites and devices

TLDR; wired desktop works, wired laptop cant load some sites, mobile phone not working on wifi with same sites as laptop. Noticing 408 and request generation issues but cant pinpoint what/why Hello, I ...
Rumpus's user avatar
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1 answer
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How to retrieve device names on local network?

Currently I'm trying to retrieve the name of each device that is connected to my local network, like my phone, laptop, printer, chromecast, etc. After doing some research, I know that its fairly ...
gravityclover's user avatar
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Radius authorized WiFi clients cannot access network

I am using Fortigate + FortiAP and a Radius (WS 2019 NPS) for authorization. I can access the WiFi, I receive IP from dhcp (which is in the network), however I cannot go anywhere else. I cannot even ...
Artur's user avatar
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Limit amount of traffic per user in public WiFi network

I would like to limit the usage of my free public customer WiFi network to a certain amount of data (i.e. not a bandwidth limit which seems fairly easy to set), let's say 1 GB (or 10 GB or whatever). ...
TomS's user avatar
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Is there any geographical zone that permits all 802.11 frequencies? [closed]

When I run OpenWRT sometimes I get errors like this, daemon.notice hostapd: Frequency 5720 (primary) not allowed for AP mode, flags: 0x800416b NO-IR RADAR daemon.err hostapd: Primary frequency not ...
Evan Carroll's user avatar
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How to properly setup a Guest Network on the TP-Link EAP115 AP?

I have a TP-Link EAP115 Access Point. I would like to setup a guest network, so that people who come to my house and use the WiFi cannot port scan the rest of my network. And I really only care about ...
JonathanDavidArndt's user avatar
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1 answer
333 views

How to install Wifi dervers Realtek RTL8723BE/RTL8188EE 802.11b/g/n Wireless LAN Drivers in cent os 7

i was using Realtek RTL8723BE/RTL8188EE 802.11b/g/n Wireless LAN Drivers when I was using windows but after centos installation, my wifi adapter is not showing please anyone help me with this?
Rushikesh Sakharle's user avatar
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Best practice for preferring the network interface that actually has internet?

I have an embedded device where I have three network connections, eth0, wwan0, and wlan0. wwan0 is a metered connection, so I would generally prefer eth0 or wlan0. The problem is that at any given ...
bob mcgrath's user avatar
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Router forces to use netcard's hardware mac

I'm trying to connect to a network that manages device connections by it's mac. So, I want to connect a device, which has no interface to connect it properly by itself I decided to use a different ...
Undermouse's user avatar
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A hospital WiFi network is stopping a PC from finding a printer. Will another router fix it?

Background Info I have a quadriplegic client who lives in a hospital (long-term living) and has his own room. He has a laptop running Windows 11 and an HP printer. The hospital provides WiFi for the ...
nwalkewicz's user avatar
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1 answer
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Can pre-assigned IP addresses be preserved when using wi-fi extenders?

I'm considering using a wi-fi extender. It will work fine for lap-tops, tablets, etc. that need a connection but don't need a fixed DNS entry with preassigned IP addresses. But wi-fi extenders modify ...
Ray Butterworth's user avatar
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1 answer
34 views

WFi Network Discovery in Windows 10/11

If you have a known WiFi AP, that you have connected to previously, and you know is always on, is it possible to not discover other WiFi networks and only connect to the known trusted WiFi network. I ...
MRodriguez's user avatar
1 vote
1 answer
121 views

Ethernet connection disables WIFI

Our company makes a 3d printer built around a Jetson Nano. The printer connects to the internet using a wifi dongle, but for the initial setup the user must connect to the printer using an ethernet ...
Peter Davis's user avatar
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1 answer
222 views

How do I allow a device to only connect to certain wifi networks?

I have been assigned to a task that a laptop should be connected to particular wifi Network, i.e Laptop should not connect with any other wifi network other than office wifi. is that possible??? any ...
Kani's user avatar
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1 vote
0 answers
553 views

Python flask captive portal

Im making python tool for creating access point with hostapd, run http server on 10.0.0.1, and using dnsmasq redirect clients to the http server login page Its working when i use localhost as hostname,...
Karol Trawa's user avatar
-2 votes
1 answer
463 views

Can I use Laptop with one WiFi and one Ethernet Port interface to setup firewall - OPNSense?

I am trying to setup OPNsense Firewall at my residence using a spare laptop which has one WiFI and one Ethernet interface. I was able to install OPNsense and configure the interfaces to LAN and WAN. ...
VMN's user avatar
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3 votes
0 answers
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Wifi 6E access point in Linux

Context: I'm looking to set up a 6 GHz (Wifi 6E) Access Point in Linux. I have two Intel AX210s (WiFi cards) on two computers. nmcli only supports 2.4GHz + 5GHz hostapd seems to support WiFi 6 but ...
tymur999's user avatar
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4 answers
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Why is ping time much higher using wifi than Ethernet connection?

I have struggled with API of https://api.materialsproject.org recently. Because it is so slow and unstable when fetching data. I thought it was just the problem of this site. However, I found it is ...
user15964's user avatar
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2 votes
0 answers
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NPS policy for external firm?

Can NPS be used in the following scenario: We (FIRM-A) are sharing some office space with another firm (FIRM-B). We would like their laptops to connect to our "Internet Only" SSID. Those ...
Steve Tremblay's user avatar
1 vote
1 answer
11k views

Can't connect ssh via wireless interface but t works using eth0

Suddenly I can't connect via ssh to a server using my wireless interface but I can do it using the eth0 interface with a cable connected directly to my router. From my wireless interface I got: $ ssh -...
yucer's user avatar
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0 answers
381 views

Raspberry Pi 1 WiFi adapter receives 2 dhcp addresses

I have a raspberry pi 1 with a USB WiFi adapter. The wlan0 interface has 2 IP Addresses and i dont know why: pi@smart-meter:~ $ ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state ...
Marc's user avatar
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5 votes
1 answer
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Setting up an Access Point, Raspberry Pi, and Laptop to serve a website in a classroom. "The internet in a suitcase" [closed]

Our trainers experience bad internet connections at some schools. I would like to provide them with a "mobile" (as in take it on the train) version of our platform running on a laptop, which ...
Allansideas's user avatar
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Ubuntu server can be accessed only after ping

and tank you in andvantage for any suggestion, I hve ubuntu server (20.04) on lan, but I can access to it (ssh or web-server apache) from other pc (windows 10) only if I do a ping from server to ...
petunia rose's user avatar
-3 votes
1 answer
8k views

Configuring IP and network address for Windows Mobile Hotspot [closed]

I'm using Windows Mobile Hotspot on my laptop to share its Internet connection with other devices. It sets up a DHCP service, using 192.168.137.1 as the gateway address, and leasing out addresses on ...
Artyom Skrobov's user avatar
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2 answers
111 views

WIFI : distinguishing client by OS

We have differents wifi clients Some of them on Android/Apple phones, others on PC Windows. Wifi is authenticated by NPS and we have a DHCP in wwindows server. We do not trust phone. We want to put ...
Alex Lum's user avatar
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2 votes
1 answer
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Laptop asking for "action needed" on NPS Computer auth WiFi connect, despite valid Server Thumbprint

I have configured computer authentication on WiFi connect to company network, using the microsoft nps server, group policy certificate auto-enrollment and group-policy wifi config. Has been working ...
Jasper's user avatar
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