Amer Networks E5Web GUI - Manual (Page 90)

TCP SYN - Total number of TCP connections in the SYN phase.
TCP FIN - Total number of TCP connections in the FIN phase.
Other - Total number of other connections types such as IPsec.
TCP Buffer Statistics
Total small receive window usage - The number of small TCP receive windows currently being
used.
Total large receive window usage - The number of large TCP receive windows currently being
used.
Total small send window usage - The number of small TCP send windows currently being used.
Total large send window usage - The number of large TCP send windows currently being used.
Rule Usage Statistics
Each of the rules in a rule set has a counter associated with it which has the same name as the
rule type. These counters indicates the number of matches that have taken place for each rule.
The rule sets that exist are:
• IP Rules
• PBR Rules
• DHCP Rules
• User-authentication rules
Interface/VLAN/VPN Statistics
Rx/Tx Ring counters - Some drivers support plotting of FIFO-errors, saturation, flooding and
other values depending on the driver.
Pps counters – The number of packets received, sent and summed together.
Bbs – The number of bits received, sent and summed together.
Drops – The number of packets received by this interface that were dropped due to rule set
decisions or failed packet consistency checks.
IP errors – The number of packets received by this interface that were mutilated so badly that
they would have had difficulty passing through a router to reach to the Clavister Security
Gateway. They are therefore unlikely to be the result of an attack.
Send Fails – The number of packets that could not be sent, either due to internal resource
starvation caused by heavy loading or hardware problems or congested half-duplex
connections.
Chapter 2: Management and Maintenance
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