Pure-FTPd

220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
220-You are user number 3 of 50 allowed.
220-Local time is now 06:47. 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:
            d8:10:1e:04:41:42:07:4b
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=CN, ST=Guangdong, L=Dongguan, O=BT-PANEL, OU=BT, CN=154.85.137.150/emailAddress=admin@bt.cn
        Validity
            Not Before: Jun  1 08:12:53 2024 GMT
            Not After : Mar  1 08:12:53 2034 GMT
        Subject: C=CN, ST=Guangdong, L=Dongguan, O=BT-PANEL, OU=BT, CN=154.85.137.150/emailAddress=admin@bt.cn
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:c4:38:ee:ca:aa:ac:99:98:3a:3a:aa:df:07:66:
                    cd:15:e3:43:93:6c:3f:83:d7:99:16:e6:8e:29:86:
                    3e:96:df:0e:6f:01:20:09:56:a0:f2:68:0a:0d:57:
                    4c:eb:f0:38:aa:39:10:37:73:86:c6:46:52:22:2b:
                    40:b2:5c:79:03:3a:6d:19:80:83:4a:1c:c9:f1:fd:
                    f3:07:ad:38:00:8a:b3:51:1b:8e:47:67:de:d2:14:
                    e3:53:fa:31:50:ab:c6:97:f3:56:c3:0d:a4:e9:b6:
                    a8:95:7e:01:63:65:f3:1a:c9:08:8c:58:5d:c6:12:
                    fc:a5:36:4e:15:ee:d2:da:59:18:72:1f:3f:6d:be:
                    96:c9:81:6d:f2:56:f0:9e:62:aa:b6:2e:cb:32:d2:
                    a2:99:ab:23:49:0a:9c:07:62:53:d7:96:23:82:96:
                    06:1e:09:70:5a:45:e5:0a:d3:b0:6d:c1:cb:33:ed:
                    f3:ba:1a:cd:fa:e4:31:f9:1f:c3:a3:9c:b7:00:d4:
                    68:2d:94:49:f4:1b:f4:81:00:66:74:b0:c5:c8:d4:
                    2e:c8:cb:9c:4c:51:30:95:dd:44:5a:fa:84:8c:ca:
                    4a:df:f5:08:ea:37:43:2e:5b:63:41:43:24:39:12:
                    9f:60:f6:b4:e3:01:a3:c4:df:cf:3b:4f:84:73:9a:
                    26:77
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Subject Key Identifier: 
                86:F1:7C:A4:E0:DA:C2:B0:93:F6:79:8E:8C:67:40:DC:53:D6:B3:CB
            X509v3 Authority Key Identifier: 
                86:F1:7C:A4:E0:DA:C2:B0:93:F6:79:8E:8C:67:40:DC:53:D6:B3:CB
            X509v3 Basic Constraints: 
                CA:TRUE
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        03:88:7a:3f:42:11:b4:f9:ae:b8:ad:00:07:4b:0c:9c:df:f3:
        36:0b:1e:e0:35:06:ea:b1:62:56:37:b4:fe:91:a0:b4:e9:79:
        9b:50:e1:23:28:e4:be:12:ca:95:1e:a9:f9:c2:62:4c:0e:eb:
        29:72:78:e3:5d:b7:15:4d:71:bf:7e:09:61:af:9e:39:e9:eb:
        bc:fa:20:91:61:7d:c2:d4:e6:8d:18:54:cd:90:50:b8:d1:77:
        68:c0:b8:b1:5d:01:9c:27:dd:86:5e:83:21:af:56:ea:64:af:
        dc:49:4c:10:1e:63:05:26:4c:a9:0b:5b:bf:60:bd:d9:88:b6:
        2a:b4:19:7d:3a:37:69:9f:fc:9c:44:aa:06:cd:a8:05:a1:ee:
        1f:e0:7d:1c:80:71:d2:a2:5d:4f:1a:79:0e:de:a8:56:4a:56:
        4d:ef:dc:97:c0:24:dd:f0:20:03:96:57:3a:95:91:a6:54:52:
        f4:52:e0:38:a2:bc:13:f8:07:c5:9c:73:8c:7b:d6:94:ae:66:
        de:80:e3:a4:c3:5c:b3:12:92:ae:f4:5b:ef:91:15:f1:a9:2a:
        4d:71:91:ed:83:14:80:15:f8:45:64:81:64:05:85:2d:56:57:
        ef:73:c9:00:af:da:5c:6a:8b:f0:da:2d:98:dc:46:a2:61:56:
        c1:30:31:46

nginx

HTTP/1.1 444 
Server: nginx
Date: Thu, 02 Jan 2025 19:18:54 GMT
Content-Length: 0
Connection: keep-alive