CONFIG_MAIN_STACK_SIZE=3072 CONFIG_NET_BUF_RX_COUNT=80 CONFIG_NET_BUF_TX_COUNT=80 # TLS configuration CONFIG_MBEDTLS=y CONFIG_MBEDTLS_BUILTIN=y CONFIG_MBEDTLS_ENABLE_HEAP=y CONFIG_MBEDTLS_HEAP_SIZE=60000 CONFIG_MBEDTLS_SSL_MAX_CONTENT_LEN=2048 CONFIG_NET_SOCKETS_SOCKOPT_TLS=y CONFIG_NET_SOCKETS_TLS_MAX_CONTEXTS=6