server_tokens off;

limit_req_zone $binary_remote_addr zone=lisglosips_api_per_ip:10m rate=20r/s;
limit_req_zone $binary_remote_addr zone=lisglosips_auth_per_ip:10m rate=5r/m;
limit_conn_zone $binary_remote_addr zone=lisglosips_conn_per_ip:10m;
limit_req_status 429;
limit_conn_status 429;

map $http_upgrade $lisglosips_connection_upgrade {
    default upgrade;
    ''      close;
}