""ET INFO TRR DNS over HTTPS detected""
SID: 2025980
Revision: 1
Class Type: misc-activity
Metadata: created_at 2018_08_07, deployment Perimeter, signature_severity Informational, tag DoH, updated_at 2018_08_07
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: "application/dns-udpwireformat"
Within:
PCRE:
Special Options:
- http_header