Pure-FTPd

220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
220-You are user number 2 of 50 allowed.
220-Local time is now 00:18. Server port: 21.
220-This is a private system - No anonymous login
220-IPv6 connections are also welcome on this server.
220 You will be disconnected after 15 minutes of inactivity.
421 Unable to read the indexed puredb file (or old format detected) - Try pure-pw mkdb
211-Extensions supported:
 UTF8
 EPRT
 IDLE
 MDTM
 SIZE
 MFMT
 REST STREAM
 MLST type*;size*;sizd*;modify*;UNIX.mode*;UNIX.uid*;UNIX.gid*;unique*;
 MLSD
 PRET
 AUTH TLS
 PBSZ
 PROT
 TVFS
 ESTA
 PASV
 EPSV
 SPSV
 ESTP
211 End.

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            d7:e1:3a:34:6f:3f:4d:5c
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=CN, ST=Guangdong, L=Dongguan, O=BT-PANEL, OU=BT, CN=198.2.244.163/emailAddress=admin@bt.cn
        Validity
            Not Before: Dec 31 15:50:07 2024 GMT
            Not After : Sep 30 15:50:07 2034 GMT
        Subject: C=CN, ST=Guangdong, L=Dongguan, O=BT-PANEL, OU=BT, CN=198.2.244.163/emailAddress=admin@bt.cn
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:d2:0d:a0:c4:76:30:a7:cb:03:19:c0:16:69:2d:
                    b3:96:b6:11:3a:1a:58:9f:cb:2b:a2:85:c9:98:a9:
                    33:ed:a1:e9:2a:7c:3b:bd:24:76:5e:d4:b2:5d:b0:
                    ee:1d:a9:64:76:28:20:94:af:34:9d:01:4f:30:e5:
                    01:17:2c:51:39:22:9f:64:a3:3a:a9:28:d7:76:9c:
                    d9:ef:14:a4:3f:70:10:2b:e9:d4:c1:26:91:7e:3d:
                    72:d4:de:8b:4e:9a:09:25:7a:a8:08:94:7a:57:7d:
                    a0:75:92:02:f2:6c:72:c3:7b:d6:93:28:2c:04:24:
                    19:e8:7a:15:58:5a:46:2d:24:84:b0:01:24:ab:56:
                    35:a3:9b:33:0f:01:fc:01:47:49:97:99:9d:25:5b:
                    8f:dc:79:70:64:d1:5a:73:b9:f9:6f:ed:2a:c5:a0:
                    ca:4b:0a:99:3e:34:a6:42:37:e6:1b:4e:76:cd:f4:
                    57:e3:30:3b:1b:49:d7:ba:cf:46:14:1c:18:fb:02:
                    7e:eb:ff:4e:ae:07:61:95:c4:a4:96:60:4d:84:16:
                    9f:35:d5:ff:07:cc:4a:1d:31:0a:fd:82:72:ac:eb:
                    00:6b:84:de:12:c6:f4:f3:52:00:21:69:2e:26:6f:
                    b9:12:e8:43:d2:4f:19:20:b1:97:7b:32:a6:10:5a:
                    9d:c5
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Subject Key Identifier: 
                8A:A0:3D:CA:DD:A9:CC:6A:CC:DC:A1:AA:4E:3D:D9:5F:90:6B:5A:C8
            X509v3 Authority Key Identifier: 
                8A:A0:3D:CA:DD:A9:CC:6A:CC:DC:A1:AA:4E:3D:D9:5F:90:6B:5A:C8
            X509v3 Basic Constraints: 
                CA:TRUE
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        54:b8:fb:ee:77:03:ce:7e:b0:3b:23:1e:a7:bd:d6:32:3b:a1:
        28:4c:81:e8:d6:c1:16:52:b6:b4:38:3e:3a:0d:f2:f5:0b:1d:
        83:f0:19:2a:9e:00:f7:fc:0c:8a:8e:50:c2:8a:d1:ee:d7:31:
        1b:d7:69:f3:8a:a5:47:15:e1:a3:8d:66:79:4a:99:a8:0f:9e:
        08:90:e4:40:76:5e:ac:0f:35:79:a4:2f:18:ec:1c:ee:b0:47:
        40:7c:5d:4c:bf:7e:df:a7:07:c1:cc:7d:e5:21:f6:36:9d:31:
        03:ed:f5:a8:50:a9:a8:51:fb:42:48:b7:1e:1c:f7:d0:9e:58:
        99:2f:d6:ec:6e:c3:c4:2c:32:25:93:2a:cf:5c:cd:dd:1b:5a:
        bb:2d:41:a7:9a:a1:06:7f:17:bf:d5:8d:fe:4d:18:20:d1:45:
        d7:f2:cd:2f:c3:da:d3:2e:73:4f:22:a7:e0:f7:b3:d1:3c:c7:
        f7:dc:3b:38:23:20:c8:a7:ba:d8:2a:68:63:5b:cf:8a:a6:8e:
        77:b8:61:57:6e:22:8e:d3:ef:0d:84:9b:c2:7d:38:0d:b7:e5:
        7f:93:91:42:5c:be:ea:fc:b6:24:20:b7:c7:d8:dc:cf:be:49:
        4f:25:78:ff:01:d8:57:45:68:b1:b9:2a:0e:44:63:ed:5c:0a:
        26:b9:b0:35

nginx

HTTP/1.1 400 Bad Request
Server: nginx
Date: Wed, 01 Jan 2025 21:35:10 GMT
Content-Type: text/html
Content-Length: 552
Connection: close

MySQL5.5.62

MySQL:
  Protocol Version: 10
  Version: 5.5.62
  Capabilities: 63487
  Server Language: 33
  Server Status: 2
  Extended Server Capabilities: 32783
  Authentication Plugin: mysql_native_password