Firewall - D-Link DSL-504T User Manual

Firewall

The Firewall Configuration menu allows
the Router to enforce
predefined policies intended to protect
against certain common
attacks. There are two general types of
protection (DoS, Port Scan) that can be
enabled on the Router, as well as
filtering for specific
sometimes used by hackers.
You can choose to Enable or Disable
protection against a customized basket
of attack and scan types. To enable
DoS Protection or
Protection, select the Enable radio
button for the protection type and click
in the selection boxes for the various
types of protection listed under each.
Service Filtering may
interfere with other
configurations such as
DHCP Relay or Remote
Note
Management via Telnet.
When DoS, Port Scan, or Service Filtering Protection is enabled, it will create a firewall policy to
protect your network against the following:
Dos Protection
SYN Flood check
ICMP Redirection check
DSL-504T DSL Router User's Guide
specific
types of
packet types
Port Scan
Port Scan Protection
Nmap/FIN attack
URG/PSH attack
Xmas Tree Scan
Null Scan attack
SYN/RST attack
SYN/FIN Scan
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Firewall Configuration Menu
Service Filtering
Ping from WAN
Telnet from WAN
FTP from WAN
DNS from WAN
IKE from WAN
RIP from WAN
DHCP from WAN