ZyXEL Communications 200 Series User Manual
Page 529
Chapter 30 ADP
ZyWALL USG 100/200 Series User’s Guide
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TRUNCATED-HEADER
ATTACK
This is when a UDP packet is sent which has a UDP datagram
length of less the UDP header length. This may cause some
applications to crash.
UNDERSIZE-LEN ATTACK
This is when a UDP packet is sent which has a UDP length field of
less than 8 bytes. This may cause some applications to crash.
ICMP Decoder
TRUNCATED-ADDRESS-
HEADER ATTACK
This is when an ICMP packet is sent which has an ICMP datagram
length of less than the ICMP address header length. This may cause
some applications to crash.
TRUNCATED-HEADER
ATTACK
This is when an ICMP packet is sent which has an ICMP datagram
length of less than the ICMP header length. This may cause some
applications to crash.
TRUNCATED-TIMESTAMP-
HEADER ATTACK
This is when an ICMP packet is sent which has an ICMP datagram
length of less than the ICMP Time Stamp header length. This may
cause some applications to crash.
Table 170 HTTP Inspection and TCP/UDP/ICMP Decoders (continued)
LABEL
DESCRIPTION