Questions tagged [hostapd]

For questions on the creation and administration of wireless access points and networks using the user-space daemon hostapd.

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35 views

Clients can't use 80mhz channel

I have an Linux system with QCA9882 wifi carad adapter that runs wifi AP using hostapd. I've configured hostapd to use vht capabilities and enabled 80Mhz channel bandwidth. In general AP works but ...
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18 views

Using Hostapd on Ubuntu 20.04 to create 5GHz access point, “Channel 153 (primary) not allowed for AP mode, flags: 0x20073 NO-IR”

I'm attempting to create a 5GHz access point running off of Ubuntu 20.04. My wireless adapter is the Intel Corporation Cannon Point-LP CNVi. Side note: 2.4GHz access points work all day long, but I ...
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1answer
21 views

How do I tell OpenWrt / hostapd to use a channel other than 1?

I have a wireless router running OpenWrt 19.07.7 r11306-c4a6851c72. It is both an access point and a client (station). /etc/config/wireless looks like this (sensitive values redacted): config wifi-...
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34 views

Android phone cannot connect to hostapd's WiFi access point

I run a hostapd wireless access point on a Raspberry Pi. I have two WiFi dongles, one for 2.4GHz and one for 5GHz. Both of my laptops can connect to both WiFi networks, but my Android phone can only ...
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25 views

Kali Hotspot with Internet access thru proxy

I have a question. My Kali laptop is only have access to the internet with a proxy (username, password, serverip an Port). Now i configured a Hotspot with Hostapd and I want to use the Internet with ...
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48 views

Ubuntu 20.04 WiFi access point without subnet/DHCP server

I have Mac Mini with Ubuntu 20.04 server installed (so no GUI). And want to use it as a WiFi access point, without NAT/DHCP server (so, given that main Mikrotik router is 192.168.88.1, both Mac Mini ...
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16 views

Cannot create a virtual access point interface before starting hostapd

I have a system that I'm trying to setup as a software access point. The NIC, however, has some kind of quirk and cannot be referenced directly by hostapd, but I need to create a virtual access point ...
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56 views

Established a hotspot via hostapd (that uses SIM network) and station can connect but can't browse

I have established a hotspot via hostapd that is using a SIM network (through datacall), and I can connect to the network from my phone but I can't browse anything. My suspicion is the packets ...
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23 views

xubuntu hostapd shared wifi network

I want to set up a wifi hotspot with my laptop on xubuntu20.4 I compiled hostapd 2.9 with the following options: CONFIG_DRIVER_NL80211=y CONFIG_LIBNL32=y CONFIG_EAP_PWD=y CONFIG_WPS=y ...
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2answers
30 views

Can't resolve hostname in sub-network

I have a raspberry pi (192.168.1.1) set up as an AP for a few devices. The WIFI connection works, DHCP also seems to give out valid addresses. The issue is that none of the devices in the network are ...
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38 views

Evil twin using hostapd and dnsmasq won't work

I am trying to recreate an Evil Twin attack for training purposes. I am using Kali Linux in Virtual Box and an Atheros wireless card. I would like to use hostapd for creating the network and dnsmasq ...
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28 views

Fedora 33 as wireless router to the internet: stations are always isolated, cannot ping/connect between devices on the wireless lan

Wifi adapter : Asus PCE-AC88 Running on the router : Fedora 33, firewalld, hostapd (built from master), dnsmasq Routing to the internet works great, all stations are routed to the WAN provided by my ...
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128 views

Hotspot 2.0 with hostapd: How to configure multiple service providers?

I'm trying to set up Hotspot 2.0 on OpenWRT, using hostapd. I'd like to know how to configure multiple service providers. Here is what I managed to set up until now: I configured an SSID with WPA2-...
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20 views

wpa_supplicant remains in authenticated state even authenticator is killed

I wanted setup 802.1x security in my wired LAN, i am using wpa_supplicant,hostapd, FreeRadius server for this setup. After successful authentication wpa_supplicant show success log.Then i killed/...
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38 views

Authenticated suppicant was wrongly unauthenticated in 802.1x setup

We are setup a 802.1x using wpa-supplicant, hostapd and freeradius. The setup is working well and all the devices are correctly authenticated. The issue is at a time only one supplicant will be remain ...
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42 views

How to configure hostapd in single & multi supplicant mode

I am using wpa_supplicant and hostapd & free_radius server to setup 8021x port based security, i am using wired connection, i want to implement single supplicant and multi supplicant mode in ...
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62 views

Debian wifi access point with hostapd

Bought a cheapo USB wifi adapter intending to use it to provide an access point. lsusb says only Bus 002 Device 003: ID 0bda:c811 Realtek Semiconductor Corp. but win10 was more helpful calling it ...
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35 views

How to set parameters in hostapd.conf file only for specific wireless SSID?

Each access point has its own hostapd.conf file. For example if we have two wireless interfaces (wlan0_0 and wlan1_0), there should be two configs: hostapd-wlan0_0.conf hostapd-wlan1_0.conf We are ...
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26 views

WLan traffic monitoring in the same Authenticated BSS

I have a Raspberry Pi 4 connected to a cable modem (ISP IP on eth0 and 10.0.0.1 on external USB wlan1). It's running Iptables for NAT/FW and Hostapd to support a few kindles/iphones. I'm doing ...
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644 views

Using Raspberry Pi as Wifi AP : WPA[2]-PSK works but EAP-TLS results in “IE in 3/4 msg does not match with IE in Beacon/ProbeResp”

For some testing, I'm trying to set up a WPA2-Enterprise network with EAP-TLS, and connect to it from an Android phone. I'm using a Raspberry Pi 4B running Raspbian to host the network, with its in-...
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288 views

Fedora 32/hostapd; WiFi AP 5Ghz Frequencies, no IR issues

The problem is the same as the title. The device appears to be operating normally. # lspci | grep -i "ath" 04:00.0 Network controller: Qualcomm Atheros QCA9377 802.11ac Wireless Network ...
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651 views

Linux | Intel AC 8265 | Creating 5GHZ Wifi Network with Hostapd

I am trying to setup a 5GHZ Wifi Network with Hostapd. The problem is that I cant select a channel because all my 5ghz channels have the no-ir flag, and I can't fix that. I tried every single ...
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222 views

How to configure the channel for Access Point 5Ghz in hostapd?

I try to create a WIFI Access Point with hostapd. I have the following Wireless adapter : Network controller: Qualcomm Atheros AR9462 Wireless Network Adapter (rev 01) It supports WIFI 802.11a/b/g/n ...
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95 views

hostapd-wpe for Windows 10

I would like to implement hostapd-wpe according to this patch, but it looks like Windows 10 uses MD5 certificates, so I changed default_md entry from sha1 to md5 in the ca.cnf, server.cnf, and client....
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81 views

Hostapd - detect and execute command when a device is connected - error

I am trying to execute a command on hostapd when there is a new connection established. I used this example: hostapd: execute a command when there is new connection established But when I start the ...
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1answer
2k views

Raspberry Pi 4 hostapd hotspot not visible

I am trying to create a hotspot with my new Raspberry Pi 4 B. The problem is, when running hostapd with its configuration, no AP (with SSID) appears and I have no idea why. I have been using this ...
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93 views

How to create multiple hotspots with hostapd?

I would like to create two hotspots with two SSIDs with hostapd (or, in case it's not directly possible, I can accept alternatives). They must share channel (since I only have one Wi-Fi adapter/...
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245 views

hostapd disconnect my clients when browsing (Raspberry Pi)

I'm trying to make my own Wi-Fi network using a Raspberry Pi 3 Model B (connected on Ethernet) and hostapd version 2.8-devel. My config looks like that: interface=wlan0 bridge=br0 hw_mode=g channel=...
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528 views

802.1x setup on CentOS 7

I am currently trying to set up a 802.1x authentication server (FreeRADIUS) and authenticator (hostapd) on the same machine, and am running into some issues. I have the RADIUS server set up along ...
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233 views

Hostapd , PI 3 not working , wifi disappeared after 1 to 3 days

I am having issue with my WIFI hotspot setup the in Raspberry PI 3, using hostapd and static Id, and isc-dhcp-server. After 1 to 3 days, other device can not see the wifi network , and checked the ...
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207 views

Wireless adapters no longer interfacable

In the process of setting up a server I followed these two tutorials: https://seravo.fi/2014/create-wireless-access-point-hostapd https://community.openhab.org/t/setup-your-own-openhab-cloud-...
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2answers
54 views

Linux-Create AP that gets internet from client

I'd like to create access point that will take the internet from one of its clients. In other words, is there a way to create a bridge with a client? I know how to create AP and bridge it with ...
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1answer
137 views

Connecting to a headless machine that is connected to a hotspot connected to my main network

Sorry for the mouthful of a title, hopefully this diagram will make some sense of it; The solution I have right now is to connect my main workstation to the Raspberry Pi network, then connect to the ...
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161 views

Embeded Software Linux HOSTAPD Connection Issues

First off I don't know if this the right forum to ask this in. If you know a better one, please let me know and I will post it there, don't just downvote the question... I have an older embedded ...
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1answer
1k views

How to disable AP isolation in Linux bridge?

Context: I am trying to set up a WiFi hotspot on a Raspberry Pi by bridging my ethernet connection. Question: How do I disable AP isolation or client isolation? Pre-work: Here is what I have done ...
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243 views

Client of hostapd could not ping gateway

I have a laptop with Intel 8260 wireless module. And I ran following commands to make it a wireless router. Now the testing client can connect to my SSID, and get a DHCP address, both verified from ...
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1answer
1k views

Ralink RT5572 based wireless adapter not working in AP mode in 5 GHz band with DFS

Objective: Get a CSL USB 2.0 WLAN adapter work in AP mode in the 5 GHz band, in a Linux-based system (in particular, Ubuntu 16.04.4 LTS, kernel 4.13). The USB adapter is based on a chipset from ...
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144 views

dhcp wi-fi server on raspberry with hostapd without dns forwarding

I want to use a raspberry pi as a wi-fi server in the following situation: A laser scanner sensor is connected to it by ethernet, and a service running on the pi should transfer the data to a pair of ...
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303 views

Unable to build wireless-regb and crda packages on Debian 9 “Stretch” from sources

Ok, so the problem is, the regulations i get with the stock wireless-regdb for my country are incorect. In fact, it's not even close to the regulations we got. We're allowed to use 13 channel (2472 ...
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1answer
726 views

How do you setup Raspbian Stretch as wireless-only router with Internet access?

The Situation Raspbian Stretch is wirelessly connected to a private subnet 10.0.0.0/16 via wlan0 (model RT5370). Without further modification, Raspbian Stretch has Internet access and DNS is working. ...
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129 views

Unable to ping locally with iptables masquerade wifi repeater

Okay so my network setup is as follows: I have a router that connects to the internet. Said router is 192.168.1.254. My device has 2 wifi adapters. Wlan0 is 192.168.1.99/24 static. (Dhcpcd) Wlan1 is ...
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2answers
895 views

Record incorrect password/key used to attempt to connect to hostapd network

I've been hosting a WPA2 network with hostapd on my Linux box, and I would like to record the incorrect keys used in failed attempts to connect. If my understanding is correct, the actual password is ...
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1answer
456 views

Wifi AP to OpenVPN + stunnel gateway on Debian/Ubuntu

I have set up an OpenVPN connection over stunnel4 from my raspberry pi to my public server. The connection works fine, and I can connect using ssh over this connection both ways just fine. I have ...
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322 views

Raspberry pi : hostapd driver error

I'm trying to setup an Access Point on my raspberry pi using hostapd, dnsmasq and two tp link wifi dongles (TL-WN722N 2.0) When I start hostapd, I get this error : nl80211: Driver does not support ...
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217 views

EAP (Re)authentification every 8:20 hours

I have a network that uses Freeradius and hostapd to authentificate. Every ~ 8:20 hours (30000 sec or 500 min) a connected station disconnects (gets disconnected?) and a new (Re?)authentification ...
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1answer
3k views

Why is hostapd in IEEE 802.11a (5Ghz) not starting on boot?

I'm having a lot of trouble getting hostapd to create an access point upon system boot when it is configured to run in IEEE 802.11a (5 GHz). Running it manually from the command line or in IEEE 802....
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791 views

Setting up hostapd in Fedora 25/26

I am trying to setup a wireless access point on Fedora with Hostapd, because Hostapd has some extra features I need over the default hotspot functionality of the Gnome network manager. I have added ...
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16k views

Get all the IP addresses given out by DHCP Server with dnsmasq and hostapd

I have created a systemd service for the hostapd application on Raspbian Jessie Lite. The source code is similar to this GitHub Gist but with IP addresses ranging in the 192.168.50.x/24. Everything ...
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1answer
256 views

wlan0 to eth0 bridge works but MAC address gets mixed up

I have an access point (hostapd) running on wlan0. wlan0 and eth0 are bridged and eth0 is hooked up to a router. br0 is configured for DHCP and receives an address that is reserved on the router. ...
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1k views

wlan0 bridge to eth0 works but eth0 gets no internet

I am attempting to configure a linux box to use the wlan0 interface as an access point using hostapd. eth0 is the only ethernet port that is connected to a router. I am able to connect to the access ...