D-Link DSL-520B - Access Control Settings

74D-Link DSL-520B ADSL2+ Modem User Manual
Section 11 - Management
Access Control—Services
From this page you can enable/disable certain services from passing through your modem. Services that can be enabled/disabled on the LAN/WAN
areFTP,HTTP,ICMP,SNMP,Telnet,andTFTP.
FTP:
HTTP:
ICMP:
Telnet:
TFTP:
(File Transfer Protocol) Used for le transfer.
(HyperTextTransferProtocol)Acommunications
protocol that enables Web browsing.
(Internet Control Message Protocol) supports
packe t s  cont a ining error,  control, and
informational messages.
A standard Internet protocol for accessing remote
systems.
(Trivial File Transfer Protocol) A very simple form
of the File Transfer Protocol (FTP).