Pure-FTPd

220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
220-You are user number 1 of 50 allowed.
220-Local time is now 12:49. 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:
            d0:a3:f6:31:f3:9e:3e:39
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=CN, ST=Guangdong, L=Dongguan, O=BT-PANEL, OU=BT, CN=107.149.217.36/emailAddress=admin@bt.cn
        Validity
            Not Before: Feb 21 13:58:35 2025 GMT
            Not After : Nov 21 13:58:35 2034 GMT
        Subject: C=CN, ST=Guangdong, L=Dongguan, O=BT-PANEL, OU=BT, CN=107.149.217.36/emailAddress=admin@bt.cn
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (1024 bit)
                Modulus:
                    00:c0:5c:c9:07:c6:83:a9:18:fd:83:4f:d4:86:0b:
                    ae:d2:44:4c:92:83:d0:21:ec:7e:f6:f2:b2:1b:24:
                    ac:55:b2:5f:65:5d:00:4e:b1:63:0c:b0:05:03:43:
                    a0:31:d4:69:c1:4c:d1:ca:f6:44:75:dc:37:22:7b:
                    8b:0c:11:74:18:db:27:8e:cc:e9:a0:6f:71:97:3e:
                    0e:ed:35:ed:c0:20:d2:0f:aa:b5:00:71:50:05:2e:
                    46:1e:eb:8d:2b:fd:82:7c:62:ba:6a:5e:02:6a:a8:
                    1f:6b:44:8e:76:92:93:ee:2b:07:12:ea:8b:57:98:
                    60:2a:57:80:68:df:9e:14:ad
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Subject Key Identifier: 
                63:63:C5:55:E1:35:CB:88:6B:C1:DD:DB:25:C8:2E:71:51:94:70:2E
            X509v3 Authority Key Identifier: 
                63:63:C5:55:E1:35:CB:88:6B:C1:DD:DB:25:C8:2E:71:51:94:70:2E
            X509v3 Basic Constraints: 
                CA:TRUE
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        6c:74:bc:7a:00:cc:c5:ba:e7:09:2c:16:10:b0:af:87:30:36:
        fd:68:bd:c6:b8:b8:d2:9d:63:c0:0d:b4:2d:91:b8:46:3b:0d:
        36:47:7c:6f:2a:c3:9b:f8:38:8f:48:7d:46:c1:93:5a:30:ec:
        87:ab:0b:94:15:36:55:c5:ed:24:f1:2c:25:25:81:5b:1b:d1:
        f7:6d:a4:6e:88:ab:c5:91:5f:3e:52:b8:97:c2:d4:97:23:80:
        a0:a7:31:70:9d:45:f6:12:44:09:0b:16:b5:43:34:81:e1:3c:
        2d:d4:f4:ec:9a:4a:24:75:70:36:04:ed:73:ba:06:eb:35:53:
        e9:52

nginx

HTTP/1.1 400 Bad Request
Server: nginx
Date: Tue, 04 Mar 2025 20:05:15 GMT
Content-Type: text/html
Content-Length: 552
Connection: close