alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET POLICY Cloudflare DNS Over HTTPS Certificate Inbound"; flow:established,to_client; tls_cert_subject; content:"C=US, ST=California, L=San Francisco, O=Cloudflare, Inc., CN=cloudflare-dns.com"; isdataat:!1,relative; fast_pattern; metadata: former_category POLICY; reference:url,developers.cloudflare.com/1.1.1.1/dns-over-https/request-structure/; classtype:policy-violation; sid:2027671; rev:2; metadata:created_at 2019_07_03, updated_at 2019_07_03;)

Added 2019-07-03 18:42:55 UTC


Topic revision: r1 - 2019-07-03 - TWikiGuest
 
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