Planet GRT-101 User Manual page 142

Description
Enable
Begin Time
End Time
Action
10.16.9.3 DOS Protection
DoS protection parameters can be configured in dos_protection menu.
Move the cursor to dos_protection and press enter.
>> syn_flood
icmp_flood
udp_flood
ping_death
land_attack
ip_spoff
smurf_attack
fraggle_attack
SYN flood: A SYN flood is a form of denial-of-service attack, attempts to slow your network by
requesting new connections but not completing the process to open the connection. Once the
buffer for these pending connections is full a server will not accept any more connections and
will be unresponsive.
ICMP flood: A sender transmits a volume of ICMP request packets to cause all CPU resources
to be consumed serving the phony requests.
UDP Flood: A UDP flood attack is a denial-of-service (DoS) attack using the User Datagram
Protocol(UDP). A sender transmits a volume of requests for UDP diagnostic services which
cause all CPU resources to be consumed serving the phony requests.
Ping of Death: A ping of death (POD) attack attempts to crash your system by sending a
fragmented packet, when reconstructed is larger than the maximum allowable size.
Land attack: A land attack is an attempt to slow your network down by sending a packet with
□T_Stamp_Reply
□Info_Request
□Info_Reply
□□Addr_Mask_Request
□Addr_Mask_Reply
□ON □OFF
□ENY □PERMIT
Enable protection SYN flood attack
Enable protection ICMP flood attack
Enable protection UDP flood attack
Enable protection PING of death attack
Enable protection land attack
Enable protection IP spoofing attack
Enable protection smurf attack
Enable protection fraggle attack
GRT-101/401/402 User's Manual
142 - -
G.SHDSL Bridge/Router