Disable AECDH ciphers in example config by using !aNULL (which includes

all ciphers without authentication.

PR: 51363
Submitted by: Rob Stradling <rob comodo com>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1135234 13f79535-47bb-0310-9956-ffa450edef68