Pure-FTPd

220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
220-You are user number 1 of 50 allowed.
220-Local time is now 18:31. 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:
            a0:be:16:e6:2e:09:50:2e
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=CN, ST=Guangdong, L=Dongguan, O=BT-PANEL, OU=BT, CN=137.175.80.116/emailAddress=admin@bt.cn
        Validity
            Not Before: Dec 20 12:48:22 2024 GMT
            Not After : Sep 19 12:48:22 2034 GMT
        Subject: C=CN, ST=Guangdong, L=Dongguan, O=BT-PANEL, OU=BT, CN=137.175.80.116/emailAddress=admin@bt.cn
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:cc:da:97:f0:8b:46:f8:e3:ac:3c:a7:81:5b:f4:
                    6a:f2:95:a9:93:49:6d:c1:56:a2:a4:cd:d9:d1:2d:
                    6b:fc:5a:b3:a0:44:51:ff:71:62:e2:d4:89:50:99:
                    07:ea:5c:3e:0a:22:3d:4c:18:72:ff:2a:b4:a6:3d:
                    8c:f8:2f:16:97:ce:4b:f3:f9:30:4c:47:26:4e:1c:
                    87:46:77:b3:d6:da:79:a1:57:6d:16:24:fe:ce:c6:
                    fc:91:40:bd:83:4c:7f:17:b7:f5:87:6b:9c:9b:63:
                    33:2e:67:6c:c3:d3:3c:7f:47:0a:c0:d9:2e:53:ac:
                    ae:f7:bf:45:5b:b7:22:84:bf:3f:68:6d:62:20:e9:
                    ff:c4:9e:6b:74:cb:0f:3d:10:94:c1:f9:5c:c8:21:
                    1d:9e:48:85:8d:50:74:07:15:c5:ca:7c:93:b8:11:
                    ff:81:4e:ef:a1:30:bd:79:68:c7:c4:88:70:ec:0c:
                    94:8d:93:56:79:87:7d:26:d7:10:ca:be:2e:f8:ea:
                    f6:fd:71:b4:8d:b3:e7:d6:b5:8d:59:91:50:42:3e:
                    85:1b:91:5e:83:d4:53:5e:63:b1:e9:0b:16:35:25:
                    50:d2:cc:b7:6c:59:38:0f:ba:b7:ab:28:c5:9f:52:
                    4a:3c:36:a6:5d:6b:bb:c5:6e:93:a2:60:af:35:ba:
                    63:bd
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Subject Key Identifier: 
                87:79:C1:4B:7C:17:A8:AE:0D:57:BF:F2:F7:88:03:1F:0A:63:FF:A5
            X509v3 Authority Key Identifier: 
                87:79:C1:4B:7C:17:A8:AE:0D:57:BF:F2:F7:88:03:1F:0A:63:FF:A5
            X509v3 Basic Constraints: 
                CA:TRUE
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        54:7a:00:ff:d9:65:55:17:88:63:14:af:e9:03:62:36:13:08:
        c2:f9:8e:c1:e1:d2:ca:13:49:5e:5a:f7:84:32:1d:42:f9:dd:
        77:1b:3b:cf:dd:f7:28:94:e1:cd:3d:dd:2d:57:a6:61:f8:e1:
        2e:a0:bd:24:d0:1e:25:84:80:57:54:ac:f3:0b:13:2a:84:87:
        87:2e:b4:c6:8b:92:e1:ff:02:e3:8f:5f:db:24:b2:22:52:af:
        38:f7:40:2f:e1:c7:8e:3d:d7:3c:f8:c8:d7:00:b7:58:6d:70:
        59:b9:fd:00:ad:59:79:8f:33:e4:2f:34:41:81:74:f2:b5:c6:
        2b:25:46:87:d2:7a:68:bc:40:9b:01:69:db:b3:33:d7:22:57:
        f8:9d:ff:16:96:92:dc:53:44:f6:19:76:b7:a1:88:26:b2:31:
        5c:81:e6:e7:d0:3b:70:d1:09:aa:25:42:ac:a9:c0:ff:f2:8a:
        b8:c5:14:b8:91:d9:c4:eb:cd:38:1f:8a:fe:7e:ea:cf:7f:59:
        de:0f:00:7e:61:c6:f8:bc:06:c1:45:9a:17:38:e3:1d:31:dd:
        26:16:ba:ee:6c:1f:2f:ca:8c:b1:2c:8b:69:a3:5f:5f:60:96:
        cb:95:0a:93:f2:9e:1d:60:7d:20:61:da:41:32:fb:82:26:1f:
        15:07:9b:60

nginx

HTTP/1.1 400 Bad Request
Server: nginx
Date: Fri, 17 Jan 2025 19:46:44 GMT
Content-Type: text/html
Content-Length: 552
Connection: close