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LogJams, DHE Parameters, and Other Obstacles to TLS Excellence

If you're presently volunteering to wear the hat of “SSL/TLS Vulnerability Manager”, then you’ve come to the realization that patching one vulnerability often raises others. In wake of revelations ab...
Published Jul 07, 2015
Version 1.0
security
TMOS
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Ret. Employee
Brian McHenry leads product management for Security solutions on the BIG-IP, NGINX, and Distributed Cloud data planes. In this role, he sets strategy for the growing $750M annual business for the Advanced WAF, SSL Orchestrator, Access Policy Manager, and NGINX App Protect products. McHenry takes pride in enabling F5’s customers to be successful as well as in improving their security postures to make the Internet a safer place. McHenry works across multiple groups at F5, including the Strategy Office, Office of the CTO, Marketing, Services, Support, and Sales. He is also a published writer and a frequent speaker at infosec conferences and events. He is a co-founder of Security B-Sides NYC, and committed to giving back to the Infosec community.
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BAMcHenry
Ret. Employee
Jul 23, 2015
@Jie, Single DH is not the default. However, BIG-IP does automatically rotate DH parameters (by default) to prevent exploits do to reuse.