Barracuda Networks VERSION SP4 User Manual

114   Barracuda NG Personal Firewall

The Application Objects window allows creating predefined applications, which may be employed in
rule sets.

Click 

 to open the 

 window.

67

UDP

Bootstrap protocol; also used for DHCP (Dynamic Host Configuration)

88

TCP/UDP

Protocol for authentication in Windows 2000 environment

123

UDP

Network Time Protocol; used to synchronize the time of a computer client or server to
another server or reference time source

135

TCP

NETBIOS; very common protocol; it is supported on both, Ethernet and TokenRing. In
NetBIOS, TCP and UDP communication is supported. It supports broadcasts and
multi-casting plus three distinct services: Naming, Session, and Datagram.

137

UDP

O / I

138

UDP

139

TCP

161

UDP

Simple Network Protocol; Network management system contains two primary
elements – Manager (console to perform network management functions) and Agents
(entities that interface to the actual managed device). SNMP allows Managers and
Agents to communicate.

389

TCP/UDP

Lightweight Directory Access Protocol; set of protocols for accessing information
directories.

445

TCP

further development of the SMB protocol and serves as an addition and improvement
to the standard protocols FTP and HTTP.

1026

TCP

Windows Task Scheduler; used to schedule tasks, such as backups or updates, to run
at certain times or dates

 and 

 classification is purely informational.