Barracuda Networks VERSION SP4 User Manual
Page 63

61 Barracuda NG Network Access Client - Administrator’s Guide
The following application objects, that are required in Microsoft Windows domains, are available within
the Barracuda NG Personal Firewall by default:
Consider that when an application equipped with an MD5 Hash is used on multiple clients, file versions need to match
exactly. Otherwise, the application object will not be applicable.
Click
Clear
to delete the hash.
In addition to the application, first level DLLs are taken into consideration. This provides additional security. However,
DLLs used by first level DLLs are not monitored.
Table 3–6
Applications required in Microsoft Windows domains
Application
Connection
Description
System
O / I
Services needed by the OS kernel
TCP/IP Ping
Command
O / I
lsass.exe
O
Local Security Authority Service; process responsible for management of local security authority domain
authentication and Active Directory management.
services.exe
O
Upon startup, services.exe enumerates through all registry sub-keys located in
HKEY_LOCAL_MACHINE\Services
registry key.
spoolsv.exe
O
The Windows Printer Spooler stores printer jobs and forwards them to the printer when it is ready.
userinit.exe
O
By default, WinLogon executes this application that triggers logon scripts, re-establishes network
connections, …
winlogon.exe
O
This application manages security-related user interactions in Windows NT. It handles logon and logoff
requests, changing the password, …
svchost.exe
O
This is a generic host process name for services that are run from dynamic-link libraries (DLLs). There
can be multiple instances of svchost.exe running at the same time.