US Robotics Wireless 54Mbps ADSL Router User Manual page 51

inspection type that you need, such as Packet Fragmentation, TCP
Connection, UDP Session, FTP Service, H.323 Service, or TFTP
Service.
• When hackers attempt to enter your network, we can alert you by
e-mail
If the mail server needs to authenticate your identification before
sending out any e-mail, please fill in the necessary information in the
POP3 server, username and password fields. Otherwise leave the
three fields blank.
• Connection Policy
Enter the appropriate values for TCP/UDP sessions as described in
the following table:
Parameter
Fragmentation half-
open wait
TCP SYN wait
TCP FIN wait
TCP connection idle
timeout
UDP session idle
timeout
H.323 data channel
idle timeout
Defaults Description
10 sec Configures the number of seconds that a packet
state structure remains active. When the timeout
value expires, the router drops the unassembled
packet, freeing that structure for use by another
packet.
30 sec Defines how long the software will wait for a TCP
session to synchronize before dropping the
session.
5 sec Specifies how long a TCP session will be
maintained after the firewall detects a FIN packet.
3600 sec The length of time for which a TCP session will be
(1 hour) managed if there is no activity.
30 sec The length of time for which a UDP session will be
managed if there is no activity.
180 sec The length of time for which an H.323 session will
be managed if there is no activity.
A S
DVANCED ETUP
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