Reference the URL from the PDF.
defined for IKE, specifically groups 14-18 (2048--8192 bit MODP~\cite{rfc3526}).
These groups have been checked by many eyes and can be assumed to be secure.
-For convenience, we provide these parameters as PEM files. \todo{put
- them on the server and insert URL here}.
+For convenience, we provide these parameters as PEM files\footnote{\url{https://www.bettercrypto.org/static/dhparams/}}.
+