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Firewall Policy Updates
Realtime if Lightning Bolts are enabled
Active Service Reporting
Frequency at which the VEN reports to the PCE about it’s active status
Occurs at Start-up
Snapshot of processes & ports is sent to the PCE
Active Service Reporting Information about listening processes on a workload is accumulated
Every 30 Seconds
VEN reports accumulated Active Service Reporting information to the PCE
Every 10 minutes
VEN takes a snapshot of all listening processes and sends it to the PCE
Every 24 hours
Interface reports and interface changes are sent (only if there are changes to the interfaces)
Every 5 Minutes
Firewall and Traffic Flow Logs Consists of
A Vtap server that collects traffic flows and sends them to an internal SQLite database
Firewall and Traffic Flow Logs has a database size limit of
1 GB
The VEN checks if there are any traffic logs and sends them
Every 10 minutes
If the PCE is inaccessible, the VEN retains flow summaries for the previous _ and purges logs older than _
24 hours
VEN Heartbeat is sent to the PCE (not configurable)
Every 5 minutes
If the VEN cannot connect to the PCE, the VEN
continues to enforce the last-known-good policy while it tries to reconnect with the PCE
The VEN enters a diminished state (aka degraded state) after missing…
2 heartbeats
In the degraded state, the VEN…
ignores all asychronous commands received as lightning bolts from the PCE except for software upgrade and support reports.
Dead-Peer interval or VEN Offline Timer
When a VEN on a workload is stopped / if the workload goes offline abruptly (power outage)
The PCE stops receiving heartbeats from the workload
The PCE will mark the workload as offline after a configurable amount of time.
Disconnect and Quarantine Timer Options
Wait One Hour
Never
Custom
Default Offline Timer
60 Minutes (12 Heartbeats)
Host Firewall Tampering Detection
3-10 seconds
On Linux- tracefs must be mounted for newer distros, debugfs for older distros
Not supported for AIX/Solaris/MAC - Tampering detected within 10 minutes
VEN Lost Agent State
Occurs when you delete a Workload from the PCE but the VEN was not uninstalled. The VEN will fail to communicate with the PCE due to failed authentication. The VEN attempts to connect to the PCE every 4 hours and the PCE logs a message. VEN needs to be manually uninstalled/reinstalled.