Postfix smtpd

220 Ubuntu-18.04---CSS ESMTP Postfix (Ubuntu)
250-Ubuntu-18.04---CSS
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250-SMTPUTF8
250 CHUNKING

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            47:fe:84:eb:d7:f6:e8:13:a0:cf:04:4e:e9:72:46:85:9f:f8:73:3a
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: CN=Ubuntu-18.04---CSS
        Validity
            Not Before: May 12 14:02:49 2020 GMT
            Not After : May 10 14:02:49 2030 GMT
        Subject: CN=Ubuntu-18.04---CSS
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:f6:92:87:3e:73:0a:0e:63:d4:da:ee:3c:57:64:
                    aa:b2:80:26:11:be:f8:b5:b9:7a:4f:c8:6c:82:4d:
                    c9:e2:c6:f7:f8:33:3c:b4:55:33:6d:51:2f:e9:a2:
                    d2:0d:4b:64:ac:f9:b0:7b:44:51:c5:9b:bc:63:69:
                    b6:2f:52:57:fd:d0:de:b1:0a:7f:4c:f2:a5:63:1a:
                    c8:38:5a:69:ec:31:ea:77:04:ce:0d:da:8d:20:55:
                    5e:a2:89:b8:5a:ea:39:74:a7:23:d3:b2:a8:90:04:
                    34:3c:5a:ab:ca:60:5f:74:8e:f7:4c:aa:be:7f:3a:
                    8e:8e:35:04:6d:4e:19:98:20:05:f2:85:34:e8:28:
                    d0:53:fb:80:1d:8c:13:d0:54:0f:c7:2e:a1:46:e8:
                    15:95:06:96:be:9d:52:c1:f5:84:a0:50:92:f3:af:
                    0f:01:9f:35:1e:e4:ae:9c:9e:cd:a7:43:67:0a:0b:
                    30:03:54:45:bc:ed:b5:c5:31:7c:78:d2:9b:5f:44:
                    ae:46:40:fe:88:31:45:42:ea:1e:3f:1e:d8:b1:39:
                    92:d7:ed:90:72:e3:43:cf:7c:89:38:2d:13:26:8d:
                    0b:cb:27:fe:d6:bd:f0:ec:62:7d:84:45:7c:67:4b:
                    3d:40:a5:d3:9a:23:9b:d2:e2:ae:fb:74:5d:e2:4c:
                    a2:bf
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints: 
                CA:FALSE
            X509v3 Subject Alternative Name: 
                DNS:Ubuntu-18.04---CSS
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        6c:41:36:82:43:88:7c:35:e4:32:9f:29:bb:fd:95:3a:f7:be:
        60:1d:74:2e:7e:a2:2e:27:a3:e4:fb:62:48:c6:6a:12:d1:73:
        d1:1f:87:3f:e7:37:e7:5c:dd:43:cf:b2:58:46:ec:63:36:3b:
        10:42:59:7f:6f:ea:c1:6f:ba:1f:c3:e5:d9:bd:c0:e6:07:da:
        27:94:2d:fe:12:4d:e0:1f:1c:14:95:52:19:fd:07:54:7a:ce:
        95:fd:f6:75:fa:98:15:3b:da:9b:f5:ac:7d:83:e7:23:ae:13:
        83:b4:b3:e1:a1:25:76:3c:10:49:4e:90:26:9f:a4:bd:4e:cf:
        0a:35:88:4a:ef:0b:cf:28:c0:b1:4e:48:f3:82:aa:69:77:4d:
        1c:5b:ee:f5:30:3f:81:84:21:fb:32:02:de:9c:03:d0:43:87:
        a2:a2:18:99:d0:68:23:9d:af:7e:24:62:bc:f0:b3:71:5a:8c:
        50:12:c2:2a:42:46:ec:44:6e:cc:d8:3e:df:8d:e9:41:07:a0:
        9a:a6:1f:a8:11:b1:9a:45:ad:91:57:18:0f:e0:09:66:0e:10:
        1a:de:c3:42:6d:b3:f4:8e:e2:8d:d5:1f:57:8c:f3:4e:7d:a4:
        fd:0a:2b:ff:61:1a:6f:82:00:cc:91:24:4d:3c:55:50:71:ba:
        92:e7:9f:11

nginx1.20.1

HTTP/1.1 200 OK
Server: nginx/1.20.1
Date: Mon, 06 Jan 2025 19:44:43 GMT
Content-Type: text/html
Content-Length: 612
Last-Modified: Tue, 25 May 2021 12:35:38 GMT
Connection: keep-alive
ETag: "60acef1a-264"
Accept-Ranges: bytes

Erlang Port Mapper Daemon

Erlang Port Mapper Daemon:
  nodes:
    rabbit: 25672

RabbitMQ3.8.16

AMQP:
  Protocol Version: 0-9
  Product: RabbitMQ
  Product Version: 3.8.16
  Platform: Erlang/OTP 24.0.1
  Capabilities:
    Exchange Exchange Bindings: True
    Connection.blocked: True
    Authentication Failure Close: True
    Direct Reply To: True
    Basic.nack: True
    Per Consumer Qos: True
    Consumer Priorities: True
    Consumer Cancel Notify: True
    Publisher Confirms: True

HTTP/1.1 401 Unauthorized
Connection: close
Content-Length: 0
Content-Type: text/html
WWW-Authenticate: Basic realm="Resilio Sync"
Cache-Control: no-cache, no-store, must-revalidate

D\x00\x00\x00\n3.3.1 (commit b72d67b)\x00\x01\x00\x00\x00\x01\x02\x03\x04\x05\x06\x07\x08\x00\x08\x82!\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x00\x00