modules:
    http_2xx:
        prober: http
        timeout: 10s
        http:
            valid_status_codes:
                - 200
                - 301
                - 302
                - 401
            ip_protocol_fallback: true
            fail_if_not_ssl: true
            method: GET
            follow_redirects: true
            enable_http2: true
        tcp:
            ip_protocol_fallback: true
        icmp:
            ip_protocol_fallback: true
            ttl: 64
        dns:
            ip_protocol_fallback: true
            recursion_desired: true
        websocket:
            ip_protocol_fallback: true
    imap:
        prober: tcp
        timeout: 5s
        http:
            ip_protocol_fallback: true
            follow_redirects: true
            enable_http2: true
        tcp:
            ip_protocol_fallback: true
            query_response:
                - expect: ^\* OK
        icmp:
            ip_protocol_fallback: true
            ttl: 64
        dns:
            ip_protocol_fallback: true
            recursion_desired: true
        websocket:
            ip_protocol_fallback: true
    imaps:
        prober: tcp
        timeout: 5s
        http:
            ip_protocol_fallback: true
            follow_redirects: true
            enable_http2: true
        tcp:
            ip_protocol_fallback: true
            query_response:
                - expect: ^\* OK
            tls: true
            tls_config:
                insecure_skip_verify: true
        icmp:
            ip_protocol_fallback: true
            ttl: 64
        dns:
            ip_protocol_fallback: true
            recursion_desired: true
        websocket:
            ip_protocol_fallback: true
    smtp:
        prober: tcp
        timeout: 5s
        http:
            ip_protocol_fallback: true
            follow_redirects: true
            enable_http2: true
        tcp:
            ip_protocol_fallback: true
            query_response:
                - expect: ^220
                - send: EHLO localhost
                - expect: ^250
                - send: QUIT
                - expect: ^221
        icmp:
            ip_protocol_fallback: true
            ttl: 64
        dns:
            ip_protocol_fallback: true
            recursion_desired: true
        websocket:
            ip_protocol_fallback: true
    smtps:
        prober: tcp
        timeout: 5s
        http:
            ip_protocol_fallback: true
            follow_redirects: true
            enable_http2: true
        tcp:
            ip_protocol_fallback: true
            query_response:
                - expect: ^220
                - send: EHLO localhost
                - expect: ^250
                - send: QUIT
                - expect: ^221
            tls: true
            tls_config:
                insecure_skip_verify: true
        icmp:
            ip_protocol_fallback: true
            ttl: 64
        dns:
            ip_protocol_fallback: true
            recursion_desired: true
        websocket:
            ip_protocol_fallback: true