/var/log/lighttpd/error.log

root@pihole-nl:/etc/lighttpd/conf-enabled# tail -f /var/log/lighttpd/error.log
2018-03-10 19:09:20: (connections.c.305) SSL: 1 error:140A1175:SSL routines:ssl_bytes_to_cipher_list:inappropriate fallback
2018-03-10 19:09:20: (connections.c.1702) SSL: 1 -1 error:140E0197:SSL routines:SSL_shutdown:shutdown while in init
2018-03-10 19:09:20: (connections.c.305) SSL: 1 error:140A1175:SSL routines:ssl_bytes_to_cipher_list:inappropriate fallback
2018-03-10 19:09:20: (connections.c.1702) SSL: 1 -1 error:140E0197:SSL routines:SSL_shutdown:shutdown while in init
2018-03-10 19:09:27: (mod_fastcgi.c.2995) backend is overloaded; we'll disable it for 1 seconds and send the request to another backend instead: reconnects: 0 load: 134
2018-03-10 19:09:29: (network.c.117) SSL: no certificate/private key for TLS server name www.googleadservices.com
2018-03-10 19:09:29: (connections.c.305) SSL: 1 error:1412E0E2:SSL routines:ssl_parse_clienthello_tlsext:clienthello tlsext
2018-03-10 19:09:29: (connections.c.305) SSL: 1 error:1408A0E3:SSL routines:ssl3_get_client_hello:parse tlsext
2018-03-10 19:09:29: (connections.c.1702) SSL: 1 -1 error:140E0197:SSL routines:SSL_shutdown:shutdown while in init
2018-03-10 19:09:29: (mod_fastcgi.c.2758) fcgi-server re-enabled:  0 /var/run/lighttpd/php.socket
2018-03-10 19:09:32: (connections.c.1702) SSL: 1 -1 error:140E0197:SSL routines:SSL_shutdown:shutdown while in init