Pure-FTPd

220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
220-You are user number 3 of 50 allowed.
220-Local time is now 01:23. 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:
            d3:26:64:a1:dc:73:2a:42
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=CN, ST=Guangdong, L=Dongguan, O=BT-PANEL, OU=BT, CN=156.245.48.34/emailAddress=admin@bt.cn
        Validity
            Not Before: Feb 26 21:22:17 2025 GMT
            Not After : Nov 26 21:22:17 2034 GMT
        Subject: C=CN, ST=Guangdong, L=Dongguan, O=BT-PANEL, OU=BT, CN=156.245.48.34/emailAddress=admin@bt.cn
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (1024 bit)
                Modulus:
                    00:da:6f:1b:2d:08:3e:a1:6e:8d:db:5e:c2:24:26:
                    a9:d3:42:f3:b2:f3:bc:43:b3:22:65:61:e6:1d:9a:
                    fe:78:8a:6d:85:7c:53:11:70:4d:a2:41:0c:ac:64:
                    08:56:65:38:ed:e2:41:c1:96:f7:12:fc:c3:5e:ef:
                    f1:e7:b8:c8:e8:47:d5:47:fd:92:b6:02:bf:0e:a8:
                    58:72:fd:75:dc:4e:5b:1a:df:18:63:2d:9c:1f:98:
                    79:ef:5f:ea:d6:ff:11:12:46:54:e7:aa:3f:7a:8e:
                    a7:b8:ca:9b:14:b7:45:56:1d:01:e8:a3:5c:30:f8:
                    e8:19:2f:7a:5a:67:4b:b0:99
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Subject Key Identifier: 
                F0:DC:79:6F:B1:E9:5F:2D:CD:BF:CA:94:B9:E4:29:A8:AD:49:1E:4E
            X509v3 Authority Key Identifier: 
                F0:DC:79:6F:B1:E9:5F:2D:CD:BF:CA:94:B9:E4:29:A8:AD:49:1E:4E
            X509v3 Basic Constraints: 
                CA:TRUE
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        15:c7:63:8e:d7:75:64:0b:1e:e2:97:25:c9:95:a2:70:34:4b:
        8c:a9:5c:82:3d:6d:17:f7:9a:b3:06:36:76:36:dc:c9:61:5b:
        a7:26:66:68:57:b8:90:84:dc:48:75:4b:5a:e9:75:b5:89:15:
        09:42:5b:15:e6:f6:70:05:1a:2d:62:79:ac:ea:de:90:b1:51:
        38:38:75:65:7f:ab:87:c5:4d:5f:7c:e1:9b:26:a5:55:f2:fb:
        21:14:ba:fc:5c:d9:f1:e1:ec:ae:39:13:68:05:91:e1:7b:53:
        66:b6:5d:94:90:bc:81:43:ca:5b:f7:2b:6c:af:99:21:b0:75:
        db:3c

nginx

HTTP/1.1 400 Bad Request
Server: nginx
Date: Thu, 06 Mar 2025 08:12:38 GMT
Content-Type: text/html
Content-Length: 552
Connection: close