Thank you for you answers!

I found the problem and i'm a little bit embarrassed..

I just forgot to create the socket_server_task with xTaskCreate() in app_main...

Now it works!!

Hello guys, this is my first Topic and I am a really beginner... I used different code examples to build an WLAN-AP and a Socket-Server based on kolban's examples: #include <lwip/sockets.h> #include <esp_log.h> #include <string.h> #include <errno.h> #include <freertos/FreeRTOS.h> #include <freertos/...