Operation Manual

112
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06/ CONFIGURING
SECURITY SETTINGS
• Fragmented packet, no memory – a packet has been blocked
because there is no memory for fragments.
• Fragmented packet, overlapped – a packet has been blocked
because, after defragmentation, there were overlapping fragments.
• Fragmented packet, packet exceeds – a packet has been blocked
because, after defragmentation, the packet exceeded.
• Fragmented packet, packet too big – a packet has been blocked
because, after defragmentation, the packet was too big.
• FTP port request to 3rd party is forbidden – possible bounce attack
– a packet has been blocked.
• ICMP fl ood protection – a broadcast ICMP (Internet Control
Message Protocol) fl ood.
• ICMP protection – a broadcast ICMP message has been blocked.
• ICMP redirect protection – an ICMP redirected message has been
blocked.
• ICMP replay – an ICMP replay message has been blocked.
• Illegal packet options – the options fi eld in the packet’s header is
either illegal or forbidden.
• IP Version 6 – an IPv6 packet has been accepted.
• Malformed packet: Failed parsing – a packed has been blocked
because it is malformed.
• Maximum security enabled service – a packet has been accepted
because it belongs to a permitted service in the maximum security
level.