ProLiant Essentials Intelligent Networking Pack Linux Edition User Guide

Using Virus Throttle 9
The overall status, statistics, and delay queue information since the Virus Throttle filter driver was
initialized is displayed.
Status information
• Virus-like activity is currently occurring. "Virus-like" activity is currently detected.
• Virus-like activity has not occurred. No "virus-like" activity is currently detected and none has been
detected since the filter driver was initialized.
• Virus-like activity has occurred in the past. No "virus-like" activity is currently detected, but "virus-
like" activity has been detected since the filter driver was initialized.
Statistics
• Connection establishing packets. Number of connection packets seen.
• Packets passed without delay. Number of connection packets that were passed without a delay
because the target was a known host.
• Packets placed on queue. Number of connection packets queued.
• Packets removed from queue. Number of connection packets removed from the delay queue.
• Currently queued packets. Number of connection packets currently on the delay queue.
• Maximum packets on queue. Maximum number of packets on the queue at any point since Virus
Throttle was last started.
• Times virus-like activity seen. Number of times "virus-like" activity was detected.
• Packets dropped due to queue overflow. Number of packets that were dropped due to the delay
queue being full.
Configuration information
• Delay queue size. The maximum number of connection requests in the delay queue.
• Delay queue seconds. The rate at which the oldest connection request and all other connection
requests to that same host are removed and passed down the protocol stack.
• Known host working set size. The number of known hosts.
• Delay queue high water mark. The number of connection requests in the delay queue at which point
"virus-like" activity is indicated.
• Delay queue low water mark. The number of connection requests in the delay queue below which
"virus-like" activity is no longer indicated.
Stopping Virus Throttle
To manually stop Virus Throttle, run the following command.
# /etc/init.d/hp-vt stop
Restarting Virus Throttle
Run the following command to restart Virus Throttle.
# /etc/init.d/hp-vt restart