D-Link NetDefend DFL-210 User Manual page 468

13.6. Length Limit Settings
Chapter 13. Advanced Settings
Specifies in bytes the maximum size of an AH packet. AH, Authentication Header, is used by IPsec
where only authentication is applied. This value should be set at the size of the largest packet
allowed to pass through the VPN connections, regardless of its original protocol, plus approx. 50
bytes.
Default: 2000
Max SKIP Length
Specifies in bytes the maximum size of a SKIP packet.
Default: 2000
Max OSPF Length
Specifies the maximum size of an OSPF packet. OSPF is a routing protocol mainly used in larger
LANs.
Default: 1480
Max IPIP/FWZ Length
Specifies in bytes the maximum size of an IP-in-IP packet. IP-in-IP is used by Checkpoint
Firewall-1 VPN connections when IPsec is not used. This value should be set at the size of the
largest packet allowed to pass through the VPN connections, regardless of its original protocol, plus
approx. 50 bytes.
Default: 2000
Max IPsec IPComp Length
Specifies in bytes the maximum size of an IPComp packet.
Default: 2000
Max L2TP Length
Specifies in bytes the maximum size of a Layer 2 Tunneling Protocol packet.
Default: 2000
Max Other Length
Specifies in bytes the maximum size of packets belonging to protocols that are not specified above.
Default: 1480
Log Oversized Packets
Specifies if NetDefendOS will log occurrences of oversized packets.
Default: Enabled
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