A penetration tester reviews the following output:
PORT STATE SERVICE VERSION
21/tcp open ftp
22/tcp open ssh OpenSSH 9.9p2 Debian 1 (protocol 2.0)
25/tcp open smtp Microsoft IIS httpd 10.0
53/tcp open domain?
88/tcp open kerberos-sec
389/tcp open ldap
442/tcp open https
445/tcp open microsoft-ds
3389/tcp open ms-wbt-server Microsoft Terminal Services
3128/tcp open squid-http
Additional fingerprint strings include references to:
Target name: K8MA
NetBIOS Domain Name: K8MA
DNS Domain Name: K8MA.LOCAL
Which of the following most likely describes the function of this system?
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