220 (vsFTPd 3.0.2)
230 Login successful.
214-The following commands are recognized.
 ABOR ACCT ALLO APPE CDUP CWD  DELE EPRT EPSV FEAT HELP LIST MDTM MKD
 MODE NLST NOOP OPTS PASS PASV PORT PWD  QUIT REIN REST RETR RMD  RNFR
 RNTO SITE SIZE SMNT STAT STOR STOU STRU SYST TYPE USER XCUP XCWD XMKD
 XPWD XRMD
214 Help OK.
211-Features:
 EPRT
 EPSV
 MDTM
 PASV
 REST STREAM
 SIZE
 TVFS
 UTF8
211 End

Postfix smtpd

220 drop1 ESMTP Postfix (Ubuntu)
250-drop1
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            b5:aa:c6:ed:c5:cd:ac:14
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: CN=localhost
        Validity
            Not Before: May  9 01:41:09 2014 GMT
            Not After : May  6 01:41:09 2024 GMT
        Subject: CN=localhost
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:c9:cc:9f:91:48:d9:0b:e0:6c:ad:40:11:a1:b8:
                    14:be:d7:33:4f:76:c1:76:51:26:14:6c:c1:31:0b:
                    b0:3f:d9:d8:91:83:c7:2c:eb:da:3f:e1:58:9b:da:
                    89:aa:bc:a5:bd:8f:63:02:e2:2d:ca:af:bc:e4:12:
                    9c:90:ff:1f:cd:e0:2f:cb:0a:26:d4:96:ea:18:ad:
                    79:5f:ea:71:3b:48:19:28:98:e4:5d:41:1b:af:57:
                    06:16:5e:b0:a8:15:f3:87:7f:c8:90:06:d4:ab:0a:
                    8d:80:0e:43:23:4b:48:c2:84:97:24:67:d1:f8:a5:
                    94:c7:af:05:b8:06:b2:9a:1d:37:dd:1c:03:79:0c:
                    4f:55:6d:a3:5b:f9:56:53:09:c5:f0:ff:e4:78:8d:
                    74:fc:fe:c3:ed:8e:4c:a4:fe:b8:4b:d0:d5:29:88:
                    6f:87:a3:20:28:0e:f7:20:cc:99:29:f0:86:24:b7:
                    b1:ee:10:d9:2f:23:87:2d:f7:03:d8:6c:a5:4e:43:
                    be:be:dc:1b:47:f0:32:85:9e:c4:b5:ac:09:ae:78:
                    23:d5:7d:77:7c:5c:f5:c5:46:e8:06:57:87:0e:75:
                    6c:54:47:dc:90:90:5f:3a:71:3e:60:0f:72:12:ef:
                    22:61:37:74:7e:83:2d:30:76:1b:9c:8d:8e:a5:c8:
                    02:f9
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints: 
                CA:FALSE
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        32:3f:ca:5e:cc:68:ef:b5:f6:d6:32:03:c2:f1:96:13:17:62:
        05:e4:2a:bd:8a:13:bc:36:94:85:bb:55:57:d0:78:76:37:a2:
        7f:a6:d1:9f:f4:89:26:bf:61:96:f4:15:60:ff:d1:8e:84:ae:
        69:8b:28:82:d5:f0:b5:f1:69:71:5a:d1:d4:1e:15:e1:ad:09:
        e6:c3:9b:88:8f:5e:d8:c9:77:79:24:54:dc:2a:a2:28:58:cf:
        0c:cb:ad:5a:6a:53:82:0d:ef:6b:c1:e9:50:a6:b1:70:f5:4e:
        f4:b8:a6:06:19:52:bb:88:eb:8e:e1:bf:72:e3:f2:e7:76:5a:
        a1:9c:1c:81:24:6b:d1:c4:02:08:04:c7:78:e5:3f:cd:a3:f9:
        00:a6:0a:1e:d9:8f:92:1d:7c:00:2f:b1:60:c2:36:bb:2a:c0:
        8a:c9:6f:9e:83:35:7e:0f:01:eb:74:a4:bd:fb:23:d5:f1:2f:
        49:f0:89:6a:1d:c0:26:3e:e4:f6:05:8b:36:2c:63:b6:6c:80:
        8c:0c:62:1f:d8:e1:1b:e7:43:95:46:e8:dc:d8:b5:9d:06:04:
        7c:1b:d2:8e:07:72:47:dc:9f:2e:0e:47:2a:a7:22:7f:35:e2:
        ed:2a:86:0d:24:4d:c2:94:04:ed:e0:0b:82:39:39:d3:1e:40:
        57:3d:1c:f9

Apache httpd2.4.7

HTTP/1.1 200 OK
Date: Thu, 20 Feb 2025 00:33:00 GMT
Server: Apache/2.4.7 (Ubuntu)
Last-Modified: Mon, 06 Aug 2018 15:13:56 GMT
ETag: "149-572c5b9e57f13"
Accept-Ranges: bytes
Content-Length: 329
Vary: Accept-Encoding
Content-Type: text/html

NTP
protocolversion: 3
stratum: 3
leap: 0
precision: -23
rootdelay: 0.0554809570312
rootdisp: 0.108413696289
refid: 3224398095
reftime: 3948604013.98
poll: 3

ERROR :"Oops, HTTP request received? This is IRC!"