220 theopia.com ESMTP service ready
250-theopia.com says hello
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250-8BITMIME
250-AUTH CRAM-MD5
250-AUTH=CRAM-MD5
250-XACK
250-SIZE 0
250-VERP
250 DSN

nginx

HTTP/1.1 200 OK
Server: nginx
Date: Sat, 22 Mar 2025 12:27:04 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            04:49:5d:41:19:42:7f:16:a1:17:3a:78:52:04:61:9c:50:d9
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=US, O=Let's Encrypt, CN=R10
        Validity
            Not Before: Mar  4 13:02:06 2025 GMT
            Not After : Jun  2 13:02:05 2025 GMT
        Subject: CN=kerdante.com
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:ca:aa:9f:e9:8a:49:f6:7e:f3:62:b0:2f:60:ca:
                    86:75:fc:d2:9f:b3:78:6e:cf:6b:6f:26:b4:a9:0c:
                    cc:be:f5:f7:91:0e:33:6d:d0:cd:2d:52:15:01:3d:
                    d5:0f:a6:e3:69:61:2d:ca:f4:54:7f:b4:e1:f5:b0:
                    7c:af:74:81:b2:76:98:26:bb:db:2b:9d:1c:14:47:
                    05:6d:1d:d6:5a:73:a3:48:cd:6a:c8:39:3d:16:2d:
                    02:7a:bc:6f:1a:b7:d2:7d:fc:0c:b0:bd:15:e8:98:
                    39:5d:18:65:d2:dd:72:7e:66:1a:25:e1:d3:f0:73:
                    df:43:1f:be:bb:39:d5:36:6f:aa:a5:6f:df:59:52:
                    26:a8:8c:5c:76:9a:e0:30:88:f3:2c:54:eb:f0:51:
                    0c:4c:85:c9:e8:b1:1b:55:e2:cf:f5:1d:77:e9:57:
                    76:67:97:33:45:1f:0b:bf:c2:aa:1a:6d:38:05:5d:
                    59:a0:f3:14:5e:94:75:c8:03:93:71:45:f1:43:af:
                    3b:ed:72:28:f7:af:33:5e:3b:85:20:dd:9e:75:43:
                    15:aa:f2:78:28:79:2c:02:01:bb:23:58:ec:0c:00:
                    b1:40:0e:e7:f1:29:17:ca:d6:80:14:58:3e:ce:94:
                    43:01:5c:25:56:80:d0:3c:c1:4d:e5:18:ea:99:b7:
                    93:51
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 Subject Key Identifier: 
                FF:F7:1E:FB:11:02:96:23:00:DD:DA:E1:B3:BC:45:AC:6C:4F:C9:BC
            X509v3 Authority Key Identifier: 
                BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
            Authority Information Access: 
                OCSP - URI:http://r10.o.lencr.org
                CA Issuers - URI:http://r10.i.lencr.org/
            X509v3 Subject Alternative Name: 
                DNS:kerdante.com
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 73:20:22:0F:08:16:8A:F9:F3:C4:A6:8B:0A:B2:6A:9A:
                                4A:00:EE:F5:77:85:8A:08:4D:05:00:D4:A5:42:44:59
                    Timestamp : Mar  4 14:00:36.795 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:1F:92:8A:89:A0:DC:E3:C8:73:4F:33:21:
                                CB:6A:C3:54:05:27:15:9D:9A:A2:34:4D:E2:1C:2F:CA:
                                E9:78:2C:FD:02:20:71:FE:0F:D0:91:74:1A:9F:0D:52:
                                8D:C6:2E:90:E3:4C:74:68:04:DA:76:A3:85:03:0D:59:
                                20:3B:30:85:17:DD
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
                                22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
                    Timestamp : Mar  4 14:00:36.817 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:46:02:21:00:AC:11:4D:08:EE:C7:C2:7A:AB:34:89:
                                7E:C1:E8:85:E9:06:AA:C7:98:E0:B5:8E:53:D8:99:CE:
                                3B:E6:CC:BA:4D:02:21:00:B2:65:F2:33:8E:2D:A9:92:
                                B0:5D:8D:17:4D:80:F5:41:F8:98:4F:3F:92:B8:DB:E1:
                                CC:13:29:B6:3F:53:12:08
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        91:e4:c8:e3:16:fe:c7:25:c9:e1:71:44:d2:2a:7c:4c:5f:85:
        2f:4f:b7:fd:3f:5d:0c:df:cc:7f:45:f8:fe:96:31:c8:b1:e5:
        ef:f0:1b:e2:33:f5:9b:c0:da:86:c2:d2:c8:4e:be:c6:18:a4:
        b6:a7:75:c1:97:6d:7c:d7:3a:dd:1a:92:8c:b4:73:fb:d3:64:
        5f:da:66:12:3c:40:61:30:9f:b9:19:33:b9:33:4f:6c:64:69:
        25:dd:de:9d:6a:43:96:ce:09:51:01:83:6a:1d:07:90:95:0c:
        6a:30:3a:7b:fe:df:87:2d:0c:0b:cb:cb:ec:1d:a8:15:bf:2b:
        4a:b1:e5:6b:d1:69:bf:29:92:ba:e5:4c:6b:21:ab:54:cf:3a:
        a3:c2:16:d6:6c:46:71:31:0e:f3:19:03:3d:26:52:21:d7:6b:
        2c:91:ca:1a:c9:e3:04:9b:10:04:4b:d2:31:1c:60:a4:30:d3:
        97:e4:d9:58:ed:2f:6b:87:f9:d8:1b:12:af:87:d6:06:d8:f0:
        08:84:6c:71:73:5f:d5:d9:d4:09:b5:ea:3c:6a:bb:ad:d8:22:
        82:4f:cd:41:22:05:8a:ce:78:1d:10:f9:1e:41:ad:53:04:30:
        81:3b:ae:b0:58:41:6b:d3:b8:bf:d7:db:e9:dc:d1:d0:d3:c6:
        4c:d4:01:c2

Squid http proxy4.15

HTTP/1.1 400 Bad Request
Server: squid/4.15
Mime-Version: 1.0
Date: Mon, 31 Mar 2025 15:54:53 GMT
Content-Type: text/html;charset=utf-8
Content-Length: 3481
X-Squid-Error: ERR_INVALID_URL 0
Vary: Accept-Language
Content-Language: en
Connection: close