ZyXEL Communications ZyWALL USG 50 User Manual page 538

Chapter 31 ADP
Table 159 HTTP Inspection and TCP/UDP/ICMP Decoders (continued)
LABEL
TRUNCATED-HEADER
ATTACK
TRUNCATED-
TIMESTAMP-HEADER
ATTACK
538
DESCRIPTION
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.
ZyWALL USG 50 User's Guide