Configuring the Wireless Barricade g Router

Parameter

Defaults

Description

Fragmentation

10 sec

Configures the number of seconds that a

half-open wait

 

packet state structure remains active. When

 

 

the timeout value expires, the router drops

 

 

the unassembled packet, freeing that

 

 

structure for use by another packet.

TCP SYN wait

30 sec

Defines how long the software will wait for a

 

 

TCP session to synchronize before dropping

 

 

the session.

TCP FIN wait

5 sec

Specifies how long a TCP session will be

 

 

maintained after the firewall detects a FIN

 

 

packet.

TCP connection idle

3600 seconds

The length of time a TCP session will be

timeout

(1 hour)

maintained if there is no activity.

UDP session idle

30 sec

The length of time a UDP session will

timeout

 

maintained if there is no activity.

 

 

 

H.323 data channel

180 sec

The length of time an H.323 session will be

idle timeout

 

maintained if there is no activity.

 

 

 

DoS Criteria and Port Scan Criteria

Set up DoS and port scan criteria in the spaces provided (as shown below).

Parameter

Defaults

Description

Total incomplete TCP/UDP

300 sessions

Defines the rate of newly

sessions HIGH

 

unestablished sessions that will

 

 

cause the software to start

 

 

deleting half-open sessions.

Total incomplete TCP/UDP

250 sessions

Defines the rate of newly

sessions LOW

 

unestablished sessions that will

 

 

cause the software to stop

 

 

deleting half-open sessions.

Incomplete TCP/UDP sessions

250 sessions

Maximum number of allowed

(per min.) HIGH

 

incomplete TCP/UDP sessions

 

 

per minute.

Incomplete TCP/UDP sessions

200 sessions

Minimum number of allowed

(per min.) LOW

 

incomplete TCP/UDP sessions

 

 

per minute. Set this to “0” if no

 

 

minimum setting is required.

Maximum incomplete TCP/UDP

10 sessions

Maximum number of

sessions number from same

 

incomplete TCP/UDP sessions

host

 

from the same host.

 

 

 

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SMC Networks SMC2804WBR38 manual DoS Criteria and Port Scan Criteria, Parameter Defaults Description