""ET POLICY Internal Host Retrieving External IP via myip.dnsomatic.com""
SID: 2016754
Revision: 3
Class Type: attempted-recon
Metadata: created_at 2013_04_13, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2018_04_16
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: "Host|3a 20|myip.dnsomatic.com|0d 0a|"
Within:
PCRE:
Special Options:
-
http_header
-
nocase