HP-UX IPFilter v18.21 Release Notes HP-UX 11i v3 (761996-001, January 2014)

• Supports NAT, which lets an intermediate HP-UX system act as a translator of IP addresses
and network ports
• Sends back ICMP error/TCP reset for blocked packets
• Keeps packet state information for TCP, UDP, and ICMP
• Keeps fragment state information for any IP packet, applying the same rule to all fragments
• Drops all fragmented traffic if specified by rule
• Redirects packets for forensic analysis if specified by rule
• Creates extensive logs when required
• Supports IPv6
• Supports IPv4 address pools
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