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<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;color:black;mso-fareast-language:EN-GB">Hi all,</span><span lang="EN-US" style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;color:black;mso-fareast-language:EN-GB"> </span><span lang="EN-US" style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;color:black;mso-fareast-language:EN-GB">I have a DNS cache server based in unbound redirecting all external queries to CloudFlare’s DNS servers via DNS over TLS and as I indicated in the subject,
a lot of alerts are triggered as “SURICATA TLS on unusual port”.</span><span lang="EN-US" style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;color:black;mso-fareast-language:EN-GB"> </span><span lang="EN-US" style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;color:black;mso-fareast-language:EN-GB">I have tried to inform to our Suricata sensors via “app-layer,tls,dp” port 853 is a valid TLS port without luck … I have checked any TLS variable for Suricata
without result.</span><span lang="EN-US" style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;color:black;mso-fareast-language:EN-GB"> </span><span lang="EN-US" style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;color:black;mso-fareast-language:EN-GB">Then how to inform Suricata port 853 as a valid port TLS?</span><span lang="EN-US" style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-GB">-- <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">C. L. Martinez</span><o:p></o:p></p>
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