Pure-FTPd

220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
220-You are user number 1 of 50 allowed.
220-Local time is now 11:02. 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:
            e8:23:20:bf:5f:a3:98:7d
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=CN, ST=Guangdong, L=Dongguan, O=BT-PANEL, OU=BT, CN=137.175.97.170/emailAddress=admin@bt.cn
        Validity
            Not Before: Dec 25 17:00:54 2024 GMT
            Not After : Sep 24 17:00:54 2034 GMT
        Subject: C=CN, ST=Guangdong, L=Dongguan, O=BT-PANEL, OU=BT, CN=137.175.97.170/emailAddress=admin@bt.cn
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:cc:f1:79:8a:99:08:7e:d7:c6:92:f4:30:7e:d0:
                    58:0b:33:cc:df:f2:f0:1e:4e:57:fe:0b:ee:fe:42:
                    c8:86:ec:7c:fc:84:88:dd:f0:b8:d4:03:81:47:c2:
                    12:ba:01:04:34:0a:81:c7:53:a9:9b:e8:3f:75:4f:
                    90:bb:61:2c:12:1b:de:4d:4a:c0:91:c9:7c:a0:cb:
                    04:23:9d:27:ee:b7:59:03:df:e7:8b:bf:f7:75:8b:
                    f7:e9:81:0b:53:68:a7:6a:a8:57:22:17:28:f3:70:
                    be:d5:c0:bc:6a:2d:de:32:23:60:94:50:c0:52:1b:
                    de:48:04:74:b5:d3:cf:70:8e:47:bf:35:45:22:94:
                    59:b6:8d:5a:c8:cb:ba:44:d4:2c:ef:92:71:61:9b:
                    95:a8:d9:36:ec:df:d9:ec:dc:94:25:e2:51:20:7e:
                    cc:a6:e3:e4:06:4e:de:ab:0b:00:2a:8f:30:57:9b:
                    40:28:72:cd:f6:dc:9c:bd:1b:13:63:47:8c:16:a9:
                    30:df:1a:e1:55:33:8c:1f:95:11:dc:06:e3:51:b9:
                    e2:af:d0:49:8b:54:ae:0c:24:8e:2d:4f:4d:55:5e:
                    5d:d5:fb:54:c1:f6:34:99:33:59:0c:33:09:c8:17:
                    e9:e1:33:51:1a:bc:c8:59:6a:40:f7:dc:a9:6a:13:
                    b8:69
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Subject Key Identifier: 
                16:5A:2E:28:FB:C3:C7:97:E2:94:1A:EC:DF:9A:B2:64:AA:4D:F0:EC
            X509v3 Authority Key Identifier: 
                16:5A:2E:28:FB:C3:C7:97:E2:94:1A:EC:DF:9A:B2:64:AA:4D:F0:EC
            X509v3 Basic Constraints: 
                CA:TRUE
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        b6:d5:f5:60:5b:0f:b2:8a:dd:b3:56:54:58:9d:87:18:bf:be:
        b2:9b:e8:0c:1a:86:0f:2d:d5:7c:5b:a3:7a:34:9c:61:34:fa:
        8c:ab:26:35:83:6f:f7:9a:c8:da:91:4e:e6:b8:08:95:27:4f:
        9d:9c:c2:b9:25:ab:78:86:75:91:f9:73:08:2e:72:71:55:1c:
        d7:99:cd:80:25:e3:2a:67:37:2f:43:eb:fc:18:37:eb:cb:b5:
        d6:62:17:49:d8:ef:fd:f6:65:57:5d:20:08:df:fe:db:63:ab:
        33:52:e4:36:03:5c:52:2a:f0:a5:17:e6:93:46:79:2d:26:ae:
        ba:51:5e:2d:ca:97:d3:8d:42:e8:33:c8:4b:29:54:06:b4:2f:
        da:8a:03:0f:35:c3:0c:1c:0e:6c:9e:92:04:ae:1d:da:4d:f0:
        77:03:6b:6c:9b:1c:37:28:47:36:d0:c5:ca:f0:f7:a3:9e:75:
        6f:7b:a3:ec:76:bc:7b:db:4f:5f:d1:da:5e:8b:4a:b9:43:52:
        5b:b9:fa:a1:14:8d:e5:1b:70:94:d7:2d:f5:00:52:b9:ae:57:
        41:dc:af:d3:4a:f2:d4:94:62:c2:53:74:45:45:d5:52:27:19:
        99:ad:b4:b3:59:d5:79:c5:95:18:82:48:58:46:8a:d7:7a:51:
        21:de:da:29

nginx

HTTP/1.1 400 Bad Request
Server: nginx
Date: Sun, 12 Jan 2025 17:30:18 GMT
Content-Type: text/html
Content-Length: 552
Connection: close