""ET POLICY Dyndns Client IP Check""
SID: 2014091
Revision: 1
Class Type: not-suspicious
Metadata: created_at 2012_01_03, updated_at 2012_01_03
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "User-Agent|3a| DynDNS-Client"
-
Value: " checkip.dyndns."
Within:
PCRE:
Special Options:
-
http_header
-
http_header