ZyXEL Communications ZyWALL USG 300 User Manual page 509

Table 170 HTTP Inspection and TCP/UDP/ICMP Decoders (continued)
LABEL
TRUNCATED-HEADER
ATTACK
UNDERSIZE-LEN ATTACK
ICMP Decoder
TRUNCATED-ADDRESS-
HEADER ATTACK
TRUNCATED-HEADER
ATTACK
TRUNCATED-TIMESTAMP-
HEADER ATTACK
ZyWALL USG 300 User's Guide
DESCRIPTION
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.
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.
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.
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.
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.
Chapter 31 ADP
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