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.
1,294 questions
3 votes
0 answers
97 views
RADIUS protocol for WPA-Enterprise with FreeRADIUS / UDM Pro
I'm setting up WPA-Enterprise using a UniFi Dream Machine Pro and FreeRADIUS. My goal is to have the server receive cleartext user credentials (username/password). These credentials then get compared ...
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1 vote
0 answers
61 views
Vendor Specific (Apple devices newer than 2 years old) SSL Certificate behaviour with a redirect for a Wireless Hotspot Captive Portal
The technology stack is largely irrelevant and several alternatives and iterations have been tested. However for arguments sake, assume an in house developed captive portal, with Cambium access points....
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1 vote
1 answer
44 views
Do tp link routers in access point mode engage in access point isolation? [closed]
Posting this for posterity: If you have a tp-link router and put that router into access point mode because you've made your own gateway/firewall/router (pfsense), does that access point engage in ...
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1 vote
1 answer
1k views
Why after upgrading to Windows 11 24H2 WPA3 Enterprise does not work anymore?
Help me understand this issue... Yesterday I upgraded from Windows 11 23H2 to 24H2. After restarting and login, the wifi connection no longer works. Nothing has changed in the infrastructure only ...
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0 votes
0 answers
110 views
Why does qdisc in tc not reflect congestion on my wireless interface under high UDP load?
I'm observing unusual behavior with the fq_codel qdisc on my wireless interface in Ubuntu 18.04 (kernel version 4.15.0-20-generic). During a stress test with high upstream UDP load (~8 Gbps) on a ...
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0 votes
0 answers
122 views
Bridge Wireless WiFi Adapter - KVM Guests - 4addr on - Works, but not reliably
I've created a service that sets 4addr on for my Intel ax210 wireless adapter (following this guide https://community.clearlinux.org/t/wireless-nic-bridge-for-kvm/5848/3) when my Rocky Linux 9 server ...
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0 votes
0 answers
118 views
Openwrt: Packets silently disappears when routed to VPN
I tried to build setup on OpenWRT with VPN to VPN server in Cloud. OpenWRT works as a WiFi Repeater to the building's WiFi. VPN connection by itself is stable and working fine (confirmed via tcpdump ...
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0 votes
2 answers
195 views
Does crowding affects wifi performance?
I had to manage the access control of an event, it works with few pda devices connected to the existing Wi-Fi infrastructure. At test time before the event the connection seemed to be good, all pda ...
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0 votes
0 answers
264 views
How to configure an access point with NetworkManager using two wifi interfaces
I'm struggling to get an access point working on a Raspberry Pi with two wireless interfaces (although I don't think the issue is specific to a Pi) using NetworkManager. This is on Debain 12 (bookworm)...
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0 votes
0 answers
22 views
NVR Access and Internet via Bridged ONT WiFi
Migrated to Managed SDN Network - Need Help with NVR Access and Internet via Bridged ONT WiFi I recently migrated my network from an unmanaged setup to a fully managed SDN network. My current ...
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0 votes
0 answers
62 views
MikroTik Walled Garden - Samsung Pay Whitelist
[Cross-posted from Network Engineering because original question was closed as off-topic] We have a hotspot service that connects into MikroTik routers, using the built-in hotspot facility. With this ...
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0 votes
0 answers
124 views
How to access IP and port configuration of the tablet running Linuxmint with "hostapd + DHCP"
My task: Configure and run Access Point (AP) on the tablet (x86) with Linuxmint with access from devices connected to the created AP. Background as additional information (but this is not the topic of ...
0 votes
1 answer
270 views
Red Hat Enterprise Linux 8.9, Wi-Fi, and a certificate
My workplace uses NPS on Windows Server for Wi-Fi authentication: Windows users authenticate as dept\first.last as if logging into Windows, and it works. Using my personal Android phone, I ...
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0 votes
2 answers
185 views
wpa enterprise, shared user, security
I recently started working at a company with a WPA 2 enterprise network, where multiple Devices (let's say all) share the same Radius user account. Basically the employees use the enterprise network ...
user1084706
0 votes
1 answer
529 views
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). ...
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0 votes
1 answer
50 views
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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0 votes
1 answer
538 views
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 ...
- 1
0 votes
2 answers
791 views
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 ...
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0 votes
0 answers
207 views
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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0 votes
0 answers
1k views
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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-1 votes
1 answer
318 views
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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0 votes
0 answers
34 views
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 ...
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0 votes
1 answer
97 views
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 ...
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0 votes
1 answer
318 views
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 ...
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0 votes
0 answers
134 views
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 ...
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0 votes
1 answer
302 views
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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0 votes
2 answers
2k views
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 ...
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0 votes
1 answer
694 views
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 ...
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-1 votes
1 answer
3k views
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 ...
0 votes
1 answer
746 views
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). ...
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0 votes
1 answer
103 views
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 ...
- 2,472
0 votes
0 answers
2k views
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 ...
- 1,434
0 votes
1 answer
526 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?
0 votes
1 answer
218 views
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 ...
0 votes
0 answers
29 views
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 ...
0 votes
0 answers
53 views
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 ...
0 votes
1 answer
68 views
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 ...
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-1 votes
1 answer
59 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 ...
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1 vote
1 answer
163 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 ...
- 119
0 votes
1 answer
984 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 ...
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1 vote
0 answers
833 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,...
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-2 votes
1 answer
770 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. ...
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3 votes
0 answers
2k views
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 ...
- 537
0 votes
4 answers
3k views
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 ...
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2 votes
0 answers
29 views
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 ...
3 votes
1 answer
20k 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 -...
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0 votes
0 answers
443 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 ...
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5 votes
1 answer
1k views
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 ...
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0 votes
0 answers
954 views
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 ...
-2 votes
1 answer
12k 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 ...
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