Bill Cheswick -- Computers and Internet Security - I think https://www.youtube.com/watch?v=I8nXTS5cJCk Jan Piet Mens -- Centralized Logging https://www.youtube.com/watch?v=pBbhDFpF3FE Bert Wijnen -- RIPE Atlas and RIPEstat https://www.youtube.com/watch?v=e1A_5pvNe0M Michael Amstelveen -- Programmable Networks https://www.youtube.com/watch?v=da25eC5lJ8I Ronny Lam -- Software-Defined Networks https://www.youtube.com/watch?v=5kde0M6Ovl4 Maarten Carels -- IPv6 bij XS4ALL https://www.youtube.com/watch?v=VFKazvCn8Gk Mike Hulsman -- Tuning ftp.nluug.nl voor 4 GB's https://www.youtube.com/watch?v=OcqhINa7RMk NLUUG VJ14 - Jan Just Keijser -- OpenVPN https://www.youtube.com/watch?v=en-3v3WkcUk