Yahoo Messenger (Ymsg); Profiles Screen - Stormshield SN series Configuration Manual

DNS request parameters (in seconds)
Maximum request
duration
Whitelist of DNS domains (DNS rebinding)
This list contains the allowed domain names (<www.ofdomain.fr>, for example) to be resolved by
a server located on an unprotected interface.
You can add codecs by clicking on the appropriate button or remove them from the list by
selecting them and clicking on "Delete".
Types of DNS records
Known types to be prohibited
This is a list of the known DNS types (A, A6, AAAA, CNAME, etc) and their associated codes. By
default, these DNS types are allowed and scanned by the firewall.
The action (Analyze / Block) applied to a DNS type can be modified by clicking on the Action
column corresponding to this type.
The Modify all operations button allows modifying the action (Analyze / Block) applied to all DNS
types.
Additional types to be prohibited
This list allows blocking additional DNS types (identified by their codes). It is possible to Add or
Delete elements to or from this list by clicking on the relevant buttons.
Support
Disable intrusion
prevention

Yahoo Messenger (YMSG)

Profiles screen

"IPS" tab
Automatically detect
and inspect the
protocol
Support
Disable intrusion
prevention
Log every Yahoo
Messenger (YMSG)
query
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This value is the period after which DNS requests without responses will be deleted. It
can vary from 1 to 60 seconds, but has been set to 3 seconds by default.
When this option is selected, the scan of the DNS protocol will be disabled and traffic
will be authorized if the filter policy allows it.
If this protocol has been enabled, it will automatically be used for discovering
corresponding packets in filter rules.
When this option is selected, the scan of the Yahoo Messenger protocol will be
disabled and traffic will be authorized if the filter policy allows it.
Enables or disables the generation of logs relating to the Yahoo Messenger protocol.
SNS - USER CONFIGURATION MANUAL V.3
sns-en-user_configuration_manual-v3 - Copyright © Stormshield 2016
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