421 Service not available.\r\n

OpenSSH7.4

SSH-2.0-OpenSSH_7.4
Key type: ssh-rsa
Key: AAAAB3NzaC1yc2EAAAADAQABAAABAQDKZwOdVK0aohIIsdzihblQKhWMbGUk2XzIBpRTuCDunnXx
GXcn3VEG8eaIQGHTx+VlDmYIzBEPATvw+6wic6TerAYE5mU3bdFoiNiMYsc5NTTpo8gwCchnlITV
aQ2gEGft4XfL1ugQb6XVFkmiyv+9Q4iB5A0F3BBOa+8EwLnRs1ZXdClf9/dofJB+joMZF8kamnLi
pUeRZFw8DuQR0uvNu1W11Zb09AYkVn/OrdwvuvlzwtLkVLxAWy+jAsDuk6cjRBDGEWvPr/7DDecU
VNZdu/PcDzljj7R6wzosogbNB2Ajv5Jd+S6yhOz/r1/9UbhE5MX0vmT5xDFz8JjhyG5B
Fingerprint: d0:87:a9:fb:68:61:59:94:41:bb:10:87:86:af:d7:3e

Kex Algorithms:
	curve25519-sha256
	curve25519-sha256@libssh.org
	ecdh-sha2-nistp256
	ecdh-sha2-nistp384
	ecdh-sha2-nistp521
	diffie-hellman-group-exchange-sha256
	diffie-hellman-group16-sha512
	diffie-hellman-group18-sha512
	diffie-hellman-group-exchange-sha1
	diffie-hellman-group14-sha256
	diffie-hellman-group14-sha1
	diffie-hellman-group1-sha1

Server Host Key Algorithms:
	ssh-rsa
	rsa-sha2-512
	rsa-sha2-256
	ecdsa-sha2-nistp256
	ssh-ed25519

Encryption Algorithms:
	chacha20-poly1305@openssh.com
	aes128-ctr
	aes192-ctr
	aes256-ctr
	aes128-gcm@openssh.com
	aes256-gcm@openssh.com
	aes128-cbc
	aes192-cbc
	aes256-cbc
	blowfish-cbc
	cast128-cbc
	3des-cbc

MAC Algorithms:
	umac-64-etm@openssh.com
	umac-128-etm@openssh.com
	hmac-sha2-256-etm@openssh.com
	hmac-sha2-512-etm@openssh.com
	hmac-sha1-etm@openssh.com
	umac-64@openssh.com
	umac-128@openssh.com
	hmac-sha2-256
	hmac-sha2-512
	hmac-sha1

Compression Algorithms:
	none
	zlib@openssh.com

nginx

HTTP/1.1 200 OK
Server: nginx
Date: Sun, 09 Jun 2024 12:59:27 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 612
Last-Modified: Tue, 26 Nov 2019 05:57:36 GMT
Connection: keep-alive
ETag: "5ddcbed0-264"
X-XSS-Protection: 1; mode=block
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
Accept-Ranges: bytes

nginx

HTTP/1.1 200 OK
Server: nginx
Date: Wed, 12 Jun 2024 09:36:30 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 612
Last-Modified: Tue, 26 Nov 2019 05:57:36 GMT
Connection: keep-alive
ETag: "5ddcbed0-264"
X-XSS-Protection: 1; mode=block
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
Accept-Ranges: bytes

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 25558 (0x63d6)
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=--, ST=SomeState, L=SomeCity, O=SomeOrganization, OU=SomeOrganizationalUnit, CN=kusanagi/emailAddress=root@kusanagi
        Validity
            Not Before: Nov  6 10:14:54 2019 GMT
            Not After : Nov  5 10:14:54 2020 GMT
        Subject: C=--, ST=SomeState, L=SomeCity, O=SomeOrganization, OU=SomeOrganizationalUnit, CN=kusanagi/emailAddress=root@kusanagi
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:98:10:a9:46:91:3c:b2:11:60:e2:8b:c5:db:13:
                    b6:25:0e:6e:11:7b:9b:68:34:3b:8f:70:d4:d1:5b:
                    31:10:6b:97:d3:c0:cd:48:5c:f8:53:80:6e:08:20:
                    a5:38:d2:27:1e:d7:fd:9c:85:5d:00:07:88:51:79:
                    77:2f:a0:46:b6:f3:03:b4:73:c5:a7:c7:bf:c9:d5:
                    3d:4e:b8:03:6e:4d:2c:ac:83:2a:d9:4f:4e:78:93:
                    2d:b1:cc:fd:83:68:65:ff:87:cd:0d:64:f1:e3:5e:
                    12:d6:72:50:f5:cf:b0:aa:83:5f:ff:4b:27:3b:a3:
                    6a:f4:12:aa:1d:47:50:86:90:c1:20:b7:45:01:ef:
                    53:17:02:e4:3f:aa:35:e6:ef:69:29:e3:34:8d:d1:
                    ca:80:9e:72:9f:52:0a:66:24:9a:cb:19:3c:de:2d:
                    bb:06:e3:65:b0:3d:62:c1:72:a5:4f:b5:86:28:12:
                    63:46:57:7f:ba:69:76:c9:53:17:c2:8d:d9:31:44:
                    6a:f5:a6:9d:e6:eb:5c:e6:8f:b7:24:aa:6a:ac:b1:
                    a4:91:52:e1:ae:b4:a8:6c:3e:e4:db:84:76:94:88:
                    ab:29:a5:d5:1b:6c:e0:bb:a3:0e:e9:f0:74:8e:4c:
                    b3:e0:78:0e:65:65:47:e1:fe:58:41:07:6f:b9:c1:
                    49:5f
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints: 
                CA:FALSE
            X509v3 Key Usage: 
                Digital Signature, Non Repudiation, Key Encipherment
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        1c:9c:0e:d1:0b:5f:6c:f9:a6:51:db:8e:a0:b9:72:4c:bc:d8:
        42:f9:3f:29:7c:b2:34:0a:ee:bc:d1:55:db:0a:d7:95:56:d0:
        59:68:e2:3a:3c:65:23:c5:a1:16:ea:65:0a:77:ce:7b:65:5b:
        e9:d8:20:ad:4b:cf:95:ce:16:fd:4c:9e:e5:41:51:ba:9f:73:
        70:a1:dc:94:d6:c4:21:c8:7f:af:e0:ad:bb:09:d7:38:23:71:
        3a:73:68:5d:c8:89:6b:f4:87:fd:3c:c8:1c:15:e3:12:f8:17:
        e6:b1:7a:af:f7:d4:a0:64:1f:3a:c1:06:33:91:7b:4d:ab:91:
        3f:a6:d9:61:87:a0:3e:b0:9b:10:b7:73:a1:c4:ca:61:74:65:
        c2:c1:c9:ac:43:69:d6:bd:a6:91:89:23:4e:82:c1:59:91:d8:
        99:10:23:17:fd:1c:32:62:8d:65:14:32:d6:ac:5a:6c:e1:af:
        39:c3:e8:37:5f:63:01:03:e7:7c:3a:5a:7a:1d:e3:fd:16:3f:
        c0:f6:0b:79:fc:c6:4b:3b:8f:14:6f:52:99:f1:38:10:58:72:
        d3:19:a5:70:f3:e6:25:78:89:87:c7:60:4c:ea:fe:f8:33:ba:
        a8:fe:b4:26:10:b1:35:a5:b0:6b:64:c3:38:1a:eb:bf:17:d2:
        88:7e:20:0e

MariaDB

MariaDB:
  Error Message: Host '224.31.203.5' is not allowed to connect to this MariaDB server
  Error Code: 1130