User`s manual

ManualsBrandsD-Link ManualsComputer equipmentD DFL-500 DFL-500

IMAP IMAP email protocol for reading email from an IMAP server. tcp 1-65535 143

IRC Internet relay chat for connecting to chat groups. tcp 1-65535 6660-6669

111

tcp 1-65535

2049

111

NFS Network file services for sharing files.

udp 1-65535

2049

NNTP Protocol for transmitting Usenet news. tcp 1-65535 119

tcp 1-65535 123

NTP

Network time protocol for synchronizing a computer's time with

a time server.

udp 1-65535 123

PING For testing connections to other computers. icmp 1-65535

tcp 1-65535 110

POP3

POP3 email protocol for downloading email from a POP3

server.

udp 1-65535 110

26000

27000

27910

QUAKE

For connections used by the popular Quake multi-player

computer game.

udp 1-65535

27960

RAUDIO For streaming real audio multi-media traffic. udp 1-65535 7070

RLOGIN Rlogin service for remotely logging into a server. tcp 1-65535 513

SMTP For sending mail between email servers on the Internet. tcp 1-65535 25

tcp 1-65535 161-162

SNMP For communicating system status information.

udp 1-65535 161-162

tcp 1-65535 22

SSH

SSH service for secure connections to computers for remote

management.

udp 1-65535 22

TELNET

Telnet service for connecting to a remote computer to run

commands.

tcp 1-65535 23

VDOLIVE For VDO Live streaming multimedia traffic. udp 1-65535 7000

WAIS Wide Area Information Server. An Internet search protocol. tcp 1-65535 210

X-

WINDOWS

For remote communications between an X-Window server and

X-Window clients.

tcp 1-65535 6000

Providing access to custom services

Add a custom service if you need to create a policy for a service that is not in the predefined services list. Use

the following procedure to add your own custom service.

• Go to Firewall > Service > Custom .

• Click New.

• Enter a Name for the service. This name appears in the service list used when you add a policy.

The name can contain numbers (0-9) and upper and lower case letters (A-Z, a-z), and the special

characters - and _. Spaces and the @ character are not allowed.

• Select the protocol (either TCP or UDP) used by the service.

DFL-500 User’s Manual