Pure-FTPd

220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
220-You are user number 2 of 50 allowed.
220-Local time is now 05:31. 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:
            b1:0b:b7:33:c2:43:b5:9d
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=CN, ST=Guangdong, L=Dongguan, O=BT-PANEL, OU=BT, CN=156.224.168.66/emailAddress=admin@bt.cn
        Validity
            Not Before: Mar 14 14:02:57 2025 GMT
            Not After : Dec 12 14:02:57 2034 GMT
        Subject: C=CN, ST=Guangdong, L=Dongguan, O=BT-PANEL, OU=BT, CN=156.224.168.66/emailAddress=admin@bt.cn
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:aa:71:dc:a0:64:fc:35:f4:48:4c:af:d5:f0:ee:
                    79:5b:cb:f8:1a:5a:d2:0e:fa:ec:94:54:fe:70:08:
                    b5:5b:e5:c9:64:82:72:3b:cf:d7:f3:d9:66:47:4d:
                    d4:1d:b9:c3:31:d9:b6:53:d2:52:1b:f8:7d:bd:f8:
                    2f:5f:32:50:13:cd:82:82:b5:e4:ff:29:3e:9d:26:
                    28:81:d6:b5:29:3a:05:a3:60:e9:a9:15:ea:28:67:
                    81:e1:75:31:69:e9:52:7c:17:80:78:af:05:18:1c:
                    81:25:75:28:97:ed:25:6c:66:c5:c7:16:01:06:04:
                    ed:81:bd:23:0d:44:8d:34:34:c2:9c:5a:29:f2:e6:
                    7a:8c:98:88:50:65:33:16:31:ae:6c:79:e8:8f:19:
                    f9:7a:cb:3d:64:96:dc:da:94:9f:49:a5:1b:9b:5e:
                    b9:50:63:22:7b:8a:6a:aa:b6:a6:86:b4:23:a2:05:
                    3b:d6:70:f9:87:fa:1b:44:f8:e8:f0:e3:05:8c:1e:
                    d4:52:95:e3:27:f2:01:54:19:9b:e8:a0:16:4c:dc:
                    b9:bc:90:6e:fa:26:ba:47:99:b1:57:5a:6d:a3:b6:
                    a4:f3:5c:ab:a0:7e:71:be:16:10:8a:93:7a:6b:61:
                    1d:f4:e2:ad:2a:43:05:16:d3:8a:10:a8:2e:3f:2f:
                    f4:d1
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Subject Key Identifier: 
                00:5E:2B:D0:0D:A8:BE:54:F8:B5:15:B6:23:01:27:85:26:59:40:49
            X509v3 Authority Key Identifier: 
                00:5E:2B:D0:0D:A8:BE:54:F8:B5:15:B6:23:01:27:85:26:59:40:49
            X509v3 Basic Constraints: 
                CA:TRUE
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        09:01:8e:f5:f5:00:38:07:ff:35:d0:eb:86:9c:7e:48:a0:ad:
        50:6d:f6:39:17:be:46:96:53:e0:22:6e:35:a0:c4:e8:61:d5:
        11:37:bc:68:77:21:36:e3:36:aa:37:e6:67:0b:0c:05:22:a1:
        2a:be:65:bf:84:32:f5:1f:d8:02:d7:a0:8d:87:d6:c5:ff:3e:
        bf:41:1d:1f:ef:34:ac:d3:fb:6b:70:58:8f:09:f2:49:2b:f0:
        11:76:99:42:33:e5:1c:aa:c0:2c:76:ae:06:cb:4a:8c:6e:69:
        1e:c5:c5:f1:f9:4a:ed:89:28:d8:c1:18:24:d3:e8:c6:07:d7:
        0f:f2:fb:6f:a8:7b:7e:fb:35:01:e7:5c:ff:7a:56:44:0a:a7:
        62:f9:1b:c0:96:49:f4:ba:1b:29:85:4e:8d:85:03:8c:ca:22:
        13:0a:79:77:ff:e9:06:9b:8d:66:5d:13:dd:c0:67:35:00:2f:
        9f:ae:b4:d5:22:21:23:38:30:2e:72:66:99:fe:ea:34:30:5c:
        e8:e7:d9:f2:5f:02:cf:4c:3e:78:23:bb:82:47:77:e5:3b:07:
        e6:bd:1a:e6:23:83:c2:28:a3:e9:ca:0a:60:ad:b6:fd:5b:11:
        ff:5d:fb:a2:ca:ba:2f:8a:33:90:73:bb:70:0a:c4:24:b2:b3:
        c4:65:2c:f5

nginx

HTTP/1.1 200 OK
Server: nginx
Date: Tue, 01 Apr 2025 13:40:43 GMT
Content-Type: text/html
Content-Length: 138
Last-Modified: Sat, 15 Mar 2025 19:47:11 GMT
Connection: keep-alive
ETag: "67d5d93f-8a"
Accept-Ranges: bytes

nginx

HTTP/1.1 400 Bad Request
Server: nginx
Date: Wed, 02 Apr 2025 07:01:24 GMT
Content-Type: text/html; charset=utf-8
Content-Length: 650
Connection: close