Barracuda Networks VERSION SP4 manual Application Objects, Kerberos

The following services are available in the Barracuda NG Personal Firewall by default:

Table 3–5Service Objects available in the Personal Firewall

Service Name	Port	Protocol	Connection	Description
		ICMP	O / I	Internet Control Message Protocol; ICMP messages, delivered in IP packets are
				used for out-of-band messages related to network operation, or misoperation.
DNS	53	TCP/UDP	O	Domain Name Service; method by which the Internet addresses in mnemonic form
				(for example barracuda.com) are converted into the equivalent numeric IP address
				(for example 134.220.4.1)
BOOTPS	67	UDP	O	Bootstrap protocol; also used for DHCP (Dynamic Host Configuration)
Kerberos	88	TCP/UDP	O	Protocol for authentication in Windows 2000 environment
NTP	123	UDP	O	Network Time Protocol; used to synchronize the time of a computer client or server
				to another server or reference time source

LOC-SRV/EPMAP	135	TCP	O
NETBIOS-NS	137	UDP	O / I
NETBIOS-DGM	138	UDP	O / I
NETBIOS-SSN	139	TCP	O / I

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 and also three distinct services: Naming, Session, and Datagram.

SNMP	161	UDP	O	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.
LDAP	389	TCP/UDP	O	Lightweight Directory Access Protocol; set of protocols for accessing information
				directories.
CIFS	445	TCP	O / I	further development of the SMB protocol and serves as an addition and
				improvement to the standard protocols FTP and HTTP.
MSTASK	1026	TCP	O	Windows Task Scheduler; used to schedule tasks, such as backups or updates, to
				run at certain times or dates

3.7Application Objects

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

Click New… to open the Edit / Create Application Object window.

Application Liability and Application Type classifications are purely informational.

59 Barracuda NG Network Access Client - Administrator’s Guide