Questions tagged [hostapd]

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Setting up an AP from C code rock solid

I have to develop a program for RBPi4 with latest Raspberry OS. I'm coding in C because that's what i know for now. After startup the device's first task is to create a WLAN with predefined ssid, ...
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1answer
39 views

Raspberry Pi AP crashes when transferring large files over FTP [closed]

I have an Access Point set up on my Raspberry Pi 4 using a wifi dongle and hostapd. Everything works great, but when I start to transfer a file over FTP, the connection aborts at around 1 GB and I ...
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1answer
43 views

hostapd failing to respond to DHCP discover nl80211: Frame command failed:

I'm trying to set up a AP by using hostapd and I was unable to even after following the tutorial notes step by step: After running hostapd with dnsmasq The AP gets advertised on the air, but ...
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1answer
47 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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27 views

Max. data-transfer-rate for RPi 3 over Wifi

Q1 What is the maximum data-tranfer-rate for the RPi 3B onboard wifi as access point? Q1.1 If it's > 72 Mb/s what does the config for hostapd.conf look like?
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1answer
65 views

Access website with port in access point

Here's my "starting position": I have a Raspberry Pi 3b+, which is already configured, and I wanted to convert it into an Access Point. I followed this tutorial: https://pimylifeup.com/...
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24 views

Pi access point brilliant (until another pi connects to it!)

just joined and have in interesting issue. I have a Pi3b+ hooked up to my router running hostapd, dnsmasq and openvpn running an airvpn config, it is solid as a rock. It has a static IP on wlan0 192....
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18 views

I cannot use wget or pip without encountering connection errors after following tutorial

I followed these access point instructions (lines of commands and file edits) tutorial, and now whenever I use wget or pip, connection errors are thrown. These were the instructions I followed: sudo ...
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2answers
36 views

Roboust Network connectivity

I want to run a headless (no monitor and keyboard) Pi 3a in the somewhat fluent environment (at home, in an Artist’s studio, on the attic of an cathedral). The Pi is controlling some Christmas ...
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16 views

What does the iptables related operation in step 11 and 7 of this tutorial do?

this tutorial: https://calap.co/blog/how-to-use-raspberry-pi-as-a-vpn-access-point--2018-10-27.html shows how to turn an raspberry pi into a VPN hotspot. I find the iptable configs at step 7 and 11 ...
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20 views

Would like to use wlan0 to autologon to a captive portal, then bridge to wlan1 as AP

Scenario is this: My office wifi AP uses a simple "press to agree button" captive portal. That works well for humans, but in this case my wifi client is an instrument that does not have any ...
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1answer
27 views

Configure back to normal wifi station after access point mode (hostapd)

I have set up access point according to the manual https://www.raspberrypi.org/documentation/configuration/wireless/access-point-routed.md on respberry pi 4b. It works fine. Now I need to disable AP ...
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2answers
986 views

Raspberry Pi 3b+ WiFi hotspot with hostapd Failed to start Advanced IEEE 802.11 AP and IEEE 802.1X/WPA/WPA2/EAP Authenticator

I have this: /etc/default/hostapd DAEMON_CONF="/etc/hostapd/hostapd.conf" /etc/hostapd/hostapd.conf interface=wlan0 driver=nl80211 ssid=HOTSPOT hw_mode=g channel=6 ieee80211n=1 wmm_enabled=...
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1answer
95 views

How to invoke the existing persistent p2p Go on restart of device (to create auto connect)

I am able to connect successfully with the android device with the following wpa_supplicant.conf ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=root update_config=1 device_name=DIRECT-Pi ...
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2answers
190 views

Raspberry Pi as Access Point with hostapd crashes Pi whenever I try to connect

I followed this tutorial to setup my Raspberry Pi 3 B+ as a wireless access point. I have gotten to the point where the Pi broadcasts an SSID, but as soon as a client tries to connect to that SSID, my ...
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97 views

Raspberry Pi 3, Wifi Extender, “Could not set interface wlan1 flags (DOWN): Operation not permitted”

I'm attempting to create a wifi extender out of my Raspberry Pi 3 using this guide: https://pimylifeup.com/raspberry-pi-wifi-extender/ After some troubleshooting, I made it all the way through the ...
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0answers
19 views

Hostapd won't serve wlan0 when connecting a 2nd phone

I'm using a raspberry Pi ARMv7 Processor rev 4 (v7l) for serving as a wlan access point from my LAN. I've been following the official documentation access-point-routed.md I set the local to CH and ...
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32 views

hostapd: Pi 3 built-in WiFi going up and down every second

I am using a Pi 3 Model B running Raspbian buster and kernel version 4.19.118-v7+. I have been trying to configure it to run as a WiFi repeater using the built-in WiFi (wlan0) which is configured to ...
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1answer
277 views

Pi 3 wifi access point

I want to create a dedicated wifi connection between my Raspberry Pi 3 and a windows 7 laptop. I thought the method here https://www.pi-point.co.uk/documentation/ would do the job. Managed to get ...
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1answer
28 views

raspberry pi connected to wifi but not responding

I am following this tutorial to convert my rpi 4 into an access point. I followed all the steps except installing node, Go and resizing the image. After entering the credentials to my wifi in the ...
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2answers
60 views

Raspberry Pi 4 failed booting and loops error message

My Raspberry Pi starts booting and ends with looping error message beginning with [FAILED] Failed to start Avanced See 'systemctl status hostapd.service' for details. and ending with [DEPEND] ...
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99 views

hostapd for wifi extender issues

I've been trying to follow this guide: https://pimylifeup.com/raspberry-pi-wifi-extender/ to implement a wifi extender. For a USB wifi dongle, I just happened to have "OURLINK AC600" which ...
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1answer
263 views

Setting up Raspberry Pi 4B as a routed access point

Setting up Raspberry Pi 4B as a routed access point Hi guys I want to set up my Raspberry Pi 4B as a routed access point. Many IoT-devices in the subnetwork 192.168.7.x should connect to my RasPi over ...
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2answers
785 views

Raspberry Pi w/Buster dynamic AP and Wi-fi client

I have managed to setup my Raspberry Pi Zero W to work in both AP and Client mode simultaneously using this great guide. Using wpa_cli -iwlan0 (no sudo), I am able to scan, connect and save networks ...
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0answers
95 views

Stop wifi beacon when idle

I have just bought a Raspberry Pi 4 and would like to use it as a wifi access point (for information, I will probably install Gentoo with hostapd in it). I would like this access point to be in “...
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2answers
54 views

Creating an AP with hostapd and a Wi-Fi backend

The problem: I am trying to create an AP on a Raspberry Pi 3B (want to later try on a Zero W, too) running buster. I also want to have Internet connectivity to the Pi using my Wi-Fi. I have studied ...
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0answers
26 views

RPI with LTE and WIFI-AP

I have a Raspberry Pi in remote operation for several purposes. The RPI will operate with an reverse VPN over either wlan1 or eth1 , the setup was done according following page: https://www....
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1answer
5k views

Can't start hostAPD. Job for hostapd.service failed because the control process exited with error code

Problem I am using raspberry 3B. I want to make it as a wireless router. I added TP-Link TL-WN725N as an extra wireless device which uses wlan1 as interface name. The device works flawlessly as a ...
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2answers
2k views

Rpi4 with Buster wpa_supplicant fails to connect to hostapd network hosted on Ubuntu laptop

I am attempting to connect a Rpi4 to an AP running on my laptop, but it won't connect. I don't see any obvious problems (to me) in wpa_supplicant or other config files. I have run wpa_supplicant in ...
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1answer
194 views

Hosted based wifi hotspot works, but BSSID keeps changing - rPi 4, Raspian

Admittedly, I'm torn between posting this in SuperUser or ServerFault, so opinions of where this should go are welcome. I have a hotspot set up on my Raspberry Pi 4, running Raspian. I used hostapd ...
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1answer
32 views

How to disable standalone network configuration in raspberry pi?

I have set my raspberry pi as a standalone network using this post. Now I want to get back to my previous normal network configuration so that I can connect to the available Wifi networks. How can I ...
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1answer
91 views

Raspberry Pi as both AP and Client, with SSH support? (Two adapters)

Today I set up my Raspberry Pi with dnsmasq and hostapd so it's built-in wireless interface would always be used as an access point (AP), so I could connect to it with my phone and SSH/VNC into it ...
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29 views

Cannot manage wlan0 from desktop

Good day all Pi folks! I have a Pi 3A (buster) which has the onboard Wifi (wlan1) configured as an access point. I installed a second Wifi USB TL-WN725N which comes up as wlan0 and is the outside nat'...
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1answer
2k views

hostapd problems while setting up Pi 4 as Access Point

First of all i want to say that i'm new to all of this, so please dont hate me if the answer to my problem seemed obvious to you. I just tried to follow this tutorial to set up my Pi 4 as an Access ...
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1answer
71 views

System crashes when a USB device is plugged in or a web browser is opened

I recently turned my pi into a standalone network following this guide: https://www.raspberrypi.org/documentation/configuration/wireless/access-point.md But now when I open a web browser, or plug in a ...
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1answer
95 views

USB external antenna not working

I have been experimenting with GPIO control from a local hosted web sever on the raspi 3B+, Unfortunately the range from the built-in antennae is less than adequate for my needs. So I hopped on to ...
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1answer
94 views

Does RaspAP lock the file system?

Quick question to help stop me from losing my mind. Does the standard install of RaspAP lock the file system to stop you from installing other services? Step 1. RaspAP installed and working fine. ...
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2answers
741 views

hostapd AP over both wlan0 and eth1

My hardware setup is currently: Router -> RPi (eth0) -> RPi (wlan0) -> subnet for my devices My desired setup is: Router -> RPi (eth0) -> RPi (wlan0 + eth1) -> subnet for my ...
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0answers
812 views

Use MAC address acls with hostapd

I am using hostapd to turn my pi into a wireless access point, I want to implement a blacklist to block certain device from connecting to the network. I should be able to do this at a MAC address ...
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2answers
724 views

WiFi network disappeared?

I set up my RasPi 4 as a WiFi Access Point according to this guide, and it worked - I could see the SSID in the list of networks, and join the WiFi network, and connect using ssh, but only for a brief,...
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1answer
850 views

Low wifi speed even with 5Ghz wifi adapter

My internet download speed from my D-Link wifi router is 24 M bits/s From ethernet the download speed is 50 Mbits/s I am using Tp-link AC600 Archer T2U Plus wifi adapter with Rapberry pi 3B+ I ...
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1answer
1k views

Pi Zero W configuration to run AP + Client Mode on Raspbian Buster lite

I have a project in which I need to configure a Raspberry Pi Zero W to run both wireless AP and Client mode at the same time. I've seen the tutorials and methods others have used on Raspbian Stretch, ...
2
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1answer
673 views

Unable to start/stop enable/disable install/remove hostapd

I was trying to make an access-point with a captive portal on my raspberry pi running Raspbian Stretch. I have correctly configure hostapd and dnsmasq to make my AP work correctly a couple of weeks ...
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1answer
342 views

OnionPi - No internet connection after adding Iptables rules

I need some help or advices since I've not know what could I do to fix this issue. I've built an onion pi following the adafruit tutorial. This basicly is a wifi hotspot that routes all traffic ...
2
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1answer
1k views

Pi4 wifi repeater at 2.4Ghz

I'd like to use my Pi4 as a wifi repeater for some home automation devices which only accept 2.4GHz networks. I've successfully set up the pi as a wifi repeater, and I'm able to connect to the network ...
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2answers
427 views

How to use Raspberry Pi as a wireless AP

I've recently purchased a Raspberry Pi 3 Model B because I need to host a wireless AP and web server (I'm making a web app that will run on a few tablets and would like for them all to utilize the ...
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1answer
896 views

DHCP configuration in systemd

Currently, I have configured access point using hostapd and using systemd for configure the network ap0 (access point device). the access point configured automatically to use DHCP server. my ...
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0answers
330 views

Why UDP connection from hotspot raspberry doesn't work

To start with I have to say I have seen few similar questions but none of those could help me with resolving my problem. My setup is, two raspberry Pi 3 B+ with Raspberian on board(updated). One of ...
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1answer
474 views

Hide hostapd SSID broadcast once client connected

I would like to hide SSID broadcast from hostapd. I have successfully hide it by change the value of ignore_broadcast_ssid into 1 then reboot the pi which means the client will be disconnected when ...
1
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1answer
591 views

Automated (Scripted) Configuration of Raspberry Pi Access Point

Are there any opensource scripts/repos that automate configuring a Raspberry Pi into a Wireless Access Point?