Juniper NETWORK AND SECURITY MANAGER 2010.3 - CONFIGURING INTRUSION DETECTION AND PREVENTION GUIDE REV1 Manual page 124

Configuring Intrusion Detection and Prevention Devices Guide
Table 51: IDP Device Configuration: Protocol Thresholds and Configuration Settings (continued)
Setting Description
YMSG Maximum Message length–Raises a protocol anomaly if IDP detects a Yahoo! Messenger message with a
header that indicates more bytes for the total message than the specified maximum. The default is 8192
bytes.
Maximum Username length–Raises a protocol anomaly if IDP detects a Yahoo! Messenger ID containing
more bytes than the specified maximum. The default is 84 bytes.
Maximum Groupname length–Raises a protocol anomaly if IDP detects a Yahoo! Messenger group name
containing more bytes than the specified maximum. The default is 84 bytes.
Maximum Crypt length–Raises a protocol anomaly if IDP detects a Yahoo! Messenger encrypted password
containing more bytes than the specified maximum. The default is 124 bytes.
Maximum Instant message length–Raises a protocol anomaly if IDP detects a Yahoo! Messenger message
containing more bytes than the specified maximum. The default is 1024 bytes.
Maximum Activity string length–Raises a protocol anomaly if IDP detects a Yahoo! Messenger activity data
type containing more bytes than the specified maximum. The default is 8000 bytes.
Maximum Challenge length–Raises a protocol anomaly if IDP detects a Yahoo! Messenger challenge containing
more bytes than the specified maximum. The default is 15 bytes.
Maximum Cookie length–Raises a protocol anomaly if IDP detects a Yahoo! Messenger cookie containing
more bytes than the specified maximum. The default is 84 bytes.
Maximum URL length–Raises a protocol anomaly if IDP detects a Yahoo! Messenger Web Name containing
more bytes than the specified maximum. The default is 400 bytes.
Maximum Conference message length–Raises a protocol anomaly if IDP detects a Yahoo! Messenger join
conference message containing more bytes than the specified maximum. The default is 1024 bytes.
Maximum Conference name length –Raises a protocol anomaly if IDP detects a Yahoo! Messenger conference
name containing more bytes than the specified maximum. The default is 1024 bytes.
Maximum E-mail length–Raises a protocol anomaly if IDP detects a Yahoo! Messenger new e-mail alert
containing an e-mail that has more bytes than the specified maximum. The default is 84 bytes.
Maximum E-mail subject length–Raises a protocol anomaly if IDP detects an Yahoo! Messenger subject line
containing more bytes than the specified maximum. The default is 128 bytes.
This setting tunes the Mail Subject Overflow attack object (key is CHAT:YIM:OVERFLOW:MAIL-SUBJECT).
Maximum Filename length–Raises a protocol anomaly if IDP detects a Yahoo! Messenger file transfer
containing a filename that has more bytes than the specified maximum. The default is 1000 bytes.
Maximum Chatroom name length–Raises a protocol anomaly if IDP detects a Yahoo! Messenger chat room
name containing more bytes than the specified maximum. The default is 1024 bytes.
Maximum Chatroom message length–Raises a protocol anomaly if IDP detects a Yahoo! Messenger chat
room message containing more bytes than the specified maximum. The default is 2000 bytes.
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