User Manual

Glossary GFI MailSecurity 2011  49
14 Glossary
Active Directory
A technology that provides a variety of network services, including LDAP
directory services.
AD
See Active Directory
Anti-virus software
Software that detects malware such as Trojan horses in emails, files and
applications.
Botnet
A network of infected computers that run autonomously and are controlled
by a hacker/cracker.
Decompression engine
A scanning module that decompresses and analyzes archives attached to
an email.
Demilitarized Zone
An internet-facing section of a network that is not part of the internal
network. Its purpose typically is to act as a gateway between internal
networks and the internet.
Directory harvesting
Email attacks where known email addresses are used as a template to
create other email addresses.
Domain Name System
A database used by TCP/IP networks that enables the translation of
hostnames to IP addresses and provides other domain related information.
DMZ
See Demilitarized Zone
DNS
See Domain Name System
DNS MX
See Mail Exchange
Email headers
Information that precedes the email text (body) within an email message.
This includes the sender, recipient, subject, sending and receiving time
stamps, etc.
Exploit
An attack method that uses known vulnerabilities in applications or
operating systems to compromise the security of a system.
Gateway
The computer (server) in a LAN that is directly connected to an external
network. In GFI MailSecurity, gateway refers to the email servers within the
company that first receive email from external domains.
HTML Sanitizer
A filtering module within GFI MailSecurity that scans and removes html
scripting code from emails.
HTTP
Hypertext Transfer Protocol - A protocol used to transfer hypertext data
between servers and internet browsers.
IIS
See Internet Information Services
Internet Information Services
A set of Internet-based services created by Microsoft Corporation for
internet servers.
LDAP
See Lightweight Directory Access Protocol
Lightweight Directory
Access Protocol
An application protocol used to query and modify directory services
running over TCP/IP.
Mail Exchange
The DNS record used to identify the IP addresses of the domain‟s mail
servers.