Serv-U ftpd6.3

220 Serv-U FTP Server v6.3 for WinSock ready...
530 Sorry, no ANONYMOUS access allowed.
214- The following commands are recognized (* => unimplemented).
   USER    PORT    RETR    ALLO    DELE    SITE    XMKD    CDUP    FEAT
   PASS    PASV    STOR    REST    CWD     STAT    RMD     XCUP    OPTS
   ACCT    TYPE    APPE    RNFR    XCWD    HELP    XRMD    STOU    AUTH
   REIN    STRU    SMNT    RNTO    LIST    NOOP    PWD     SIZE    PBSZ
   QUIT    MODE    SYST    ABOR    NLST    MKD     XPWD    MDTM    PROT
214 Direct comments or bugs to bugs@bugs.com.
211-Extension supported
 CLNT
 MDTM
 MDTM YYYYMMDDHHMMSS[+-TZ];filename
 SIZE
 SITE PSWD;EXEC;SET;INDEX;ZONE;CHMOD;MSG
 REST STREAM
 XCRC filename;start;end
 MODE Z
 MLST Type*;Size*;Create;Modify*;Win32.ea*;
211 End

Microsoft IIS httpd7.5

HTTP/1.1 200 OK
Cache-Control: private
Content-Type: text/html; charset=utf-8
Server: Microsoft-IIS/7.5
X-AspNet-Version: 2.0.50727
X-Powered-By: ASP.NET
Date: Fri, 26 Apr 2024 06:39:59 GMT
Content-Length: 181

\xc8\x02\x00\x0c\x00\x00\x00\x00\x00\x00\x00\x01

PPTP

PPTP:
  Firmware: 1
  Hostname: local
  Vendor: linux

HTTP/1.1 200 OK
Connection: close
Content-Type: text/html; charset=utf-8
Cache-Control: no-cache
Transfer-Encoding: chunked
Expires: 0
X-Frame-Options: SAMEORIGIN