HP VPN Firewall Appliances Access Control Command Reference

Table Of Contents
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udp-open: Specifies the aging timer for the UDP sessions in the OPEN state.
udp-ready: Specifies the aging timer for the UDP sessions in the READY state.
time-value: Specifies the aging timer in seconds. The value range is 5 to 100000.
Usage guidelines
To display the session aging timers in different protocol states, use the display session aging-time
command.
Examples
# Set the aging time for TCP sessions in the SYN_SENT or SYN_RCV state to 60 seconds.
<Sysname> system-view
[Sysname] session aging-time syn 60
session checksum
Use session checksum to enable checksum verification for protocol packets.
Use undo session checksum to disable checksum verification.
Syntax
session checksum { all | { icmp | tcp | udp } * }
undo session checksum { all | { icmp | tcp | udp } * }
Default
Checksum verification is disabled.
Views
System view
Default command level
2: System level
Parameters
all: Enables checksum verification for TCP, UDP, and ICMP packets.
icmp: Enables checksum verification for ICMP packets.
tcp: Enables checksum verification for TCP packets.
udp: Enables checksum verification for UDP packets.
Examples
# Enable checksum verification for UDP packets.
<Sysname> system-view
[Sysname] session checksum udp
session log bytes-active
Use session log bytes-active to set the byte count threshold for session logging.
Use undo session log bytes-active to restore the default.