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ISC/DShield Website TLS Updates, (Wed, Apr 4th)

On Thursday, we will change our TLS certificate to one issued by Letsencrypt. In the past, we used normal “commercial” certificates. Until a few months ago, we used HTTP Public Key Pinning. It appears that key pinning is no longer going to be supported by browsers, so we decided to remove this feature, which enabled us to use Letsencrypt. We removed the key pinning header a while ago, and browsers should no longer “pin” for our sites. But in case you are experiencing problems connecting to this site later this week, please let us know. You may still be able to connect to www.dshield.org if you can not connect to isc.sans.edu. 

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