3Com 3CRWE554G72T User Guide - Page 86

Stateful Packet Inspection, Alert by E-mail, Connection Policy, Enter your SMTP Server

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86 CHAPTER 5: ROUTER CONFIGURATION 3 If required, check the Enable RIP defect check box. This feature stops unacknowledged packets from accumulating in the input queue. Stateful Packet Inspection 4 The Stateful Packet Inspection section displays a list of traffic types. If you leave the check box for a traffic type blank, this traffic type is blocked. If you check the check box, the Router allows this type of incoming traffic, but only if the connection was initiated from the local LAN. For example, if you check only the Enable FTP Service check box, all incoming traffic is blocked except for FTP connections initiated from the local LAN. Alert by E-mail 5 In the Your E-mail Address text box, enter the e-mail address you want alerts to be sent in the event of a hacker attack. 6 Enter your SMTP Server Address. 7 Enter your SMTP Server User Name. 8 Enter your SMTP Server Password. Connection Policy 9 In the Fragmentation half-open wait text box, enter the length of time, in seconds, that you want an unassembled packet to remain active before the Router drops it. The default is 10 seconds. 10 In the TCP SYN wait text box, enter the length of time, in seconds, that you want the Router to wait for a TCP session to synchronize before it drops the session. The default is 30 seconds. 11 In the TCP FIN wait text box, enter the length of time, in seconds, that you want a TCP session to remain active after the Router detects a FIN packet. The default is 5 seconds. 12 In the TCP connection idle timeout text box, enter the length of time, in seconds, that you want a TCP session to remain active if there is no activity. The default is 3600 seconds (1 hour). 13 In the UDP session idle timeout text box, enter the length of time, in seconds, that you want a UDP session to remain active if there is no activity. The default is 30 seconds. 14 In the H.323 data channel idle timeout text box, enter the length of time, in seconds, that you want an H.323 session to remain active if there is no activity. The default is 180 seconds.

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86
C
HAPTER
5: R
OUTER
C
ONFIGURATION
3
If required, check the
Enable RIP defect
check box. This feature stops
unacknowledged packets from accumulating in the input queue.
Stateful Packet Inspection
4
The Stateful Packet Inspection section displays a list of traffic types. If you
leave the check box for a traffic type blank, this traffic type is blocked. If
you check the check box, the Router allows this type of incoming traffic,
but only if the connection was initiated from the local LAN.
For example, if you check only the
Enable FTP Service
check box, all
incoming traffic is blocked except for FTP connections initiated from the
local LAN.
Alert by E-mail
5
In the
Your E-mail Address
text box, enter the e-mail address you want
alerts to be sent in the event of a hacker attack.
6
Enter your
SMTP Server Address
.
7
Enter your SMTP Server
User Name.
8
Enter your SMTP Server
Password
.
Connection Policy
9
In the
Fragmentation half-open wait
text box, enter the length of time, in
seconds, that you want an unassembled packet to remain active before
the Router drops it. The default is 10 seconds.
10
In the
TCP SYN wait
text box, enter the length of time, in seconds, that
you want the Router to wait for a TCP session to synchronize before it
drops the session. The default is 30 seconds.
11
In the
TCP FIN wait
text box, enter the length of time, in seconds, that
you want a TCP session to remain active after the Router detects a FIN
packet. The default is 5 seconds.
12
In the
TCP connection idle timeout
text box, enter the length of time, in
seconds, that you want a TCP session to remain active if there is no
activity. The default is 3600 seconds (1 hour).
13
In the
UDP session idle timeout
text box, enter the length of time, in
seconds, that you want a UDP session to remain active if there is no
activity. The default is 30 seconds.
14
In the
H.323 data channel idle timeout
text box, enter the length of time,
in seconds, that you want an H.323 session to remain active if there is no
activity. The default is 180 seconds.