Product manual

GFI LanGuard 19 Glossary | 265
messages indicating, for example, that a requested service is not available or that a host or
router could not be reached. ICMP can also be used to relay query messages.
impex.exe
A Command line tool, used to Import and Export profiles and vulnerabilities from GFI Lan-
Guard.
Internet Control Message Protocol (ICMP)
The Internet Control Message Protocol (ICMP) is one of the core protocols of the Internet Pro-
tocol Suite. It is used by the operating systems of networked computers to send error mes-
sages indicating, for example, that a requested service is not available or that a host or
router could not be reached. ICMP can also be used to relay query messages.
Internet Information Services (IIS)
A set of Internet-based services created by Microsoft® Corporation for internet servers.
L
Linux
An open source operating system that is part of the Unix operating system family.
lnsscmd.exe
A GFI LanGuard command line tool that allows running vulnerability checks against network
targets.
Local Host
In networking, the local host is the computer you are currently using. One can reference to
the local host by using the reserved IP address 127.0.0.1. In this manual the Local host is the
machine where GFI LanGuard is installed.
M
Mail server
The server that manages and stores client emails.
Malware
Composed from malicious and software, malware is a general term used for all software devel-
oped to harm and damage a computer system. Viruses, worms and Trojans are all type of mal-
ware.
Microsoft® Access™ database
A Microsoft® desktop relational database management system included in the Microsoft®
Office package. Microsoft® Access™ is normally used for small databases.
Microsoft® IIS
A set of Internet-based services created by Microsoft® Corporation for internet servers.