Starting with 4.0.0, PowerDNS will link in hash and cryptographic primitives from the open source `OpenSSL <https://openssl.org/>`_ library.
-Optionally, PowerDNS can link in a copy of the open source `Botan <http://botan.randombits.org/>`_ cryptographic library.
+Optionally, PowerDNS can link in a copy of the open source `Botan <https://botan.randombit.net/>`_ cryptographic library.
Optionally, PowerDNS can link in a copy of the open source `Sodium <https://libsodium.org/>`_ library.
Like most open source projects containing some encryption, the ECCN that best fits PowerDNS software is 5D002.
-The official link to the publicly available source code is `http://downloads.powerdns.com/releases`.
+The official link to the publicly available source code is `https://downloads.powerdns.com/releases`.
If absolute certainty is required, we recommend consulting an expert in US Export Control, or asking the BIS for confirmation.