3Com 3CRWER101A-75, User Manual

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Firewall 67
When hackers attempt to enter your network, we can alert you by email
Your E-mail
Address Enter your email address.
SMTP Server
Address Enter your SMTP server address (usually the part
of the email address following the “@” sign).
POP3 Server
Address Enter your POP3 server address (usually the part
of the email address following the “@” sign).
User Name Enter your email account user name.
Password Enter your email account password.
Connection Policy
Fragmentation
half-open wait 10 secs 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.
TCP SYN wait 30 secs Defines how long the software will wait for a TCP
session to reach an established state before
dropping the session.
TCP FIN wait 5 secs Specifies how long a TCP session will be
managed after the firewall detects a
FIN-exchange.
TCP connection
idle timeout 3600 secs
(1 hour) The length of time for which a TCP session will be
managed if there is no activity.
UDP session idle
timeout 30 secs The length of time for which a UDP session will
be managed if there is no activity.
DoS Detect Criteria
Total incomplete
TCP/UDP sessions
HIGH 300
sessions Defines the rate of new unestablished sessions
that will cause the software to
start deleting
half-open sessions.
Total incomplete
TCP/UDP sessions
LOW 250
sessions Defines the rate of new unestablished sessions
that will cause the software to
stop deleting
half-open sessions.
Incomplete
TCP/UDP sessions
(per min.) HIGH 250
sessions Maximum number of allowed incomplete
TCP/UDP sessions per minute.
Incomplete
TCP/UDP sessions
(per min.) LOW 200
sessions Minimum number of allowed incomplete
TCP/UDP sessions per minute.
Parameter Defaults Description