Comment 2 for bug 1705160

Reviewed: https://review.openstack.org/485641
Committed: https://git.openstack.org/cgit/openstack/kolla-ansible/commit/?id=4f6a214df973dcc21beb29d79c6126cbefb19489
Submitter: Jenkins
Branch: stable/ocata

commit 4f6a214df973dcc21beb29d79c6126cbefb19489
Author: Jeffrey Zhang <email address hidden>
Date: Wed Jul 19 10:52:41 2017 +0800

    Disable trace for all containers running httpd

    Trace method is enabled in default for httpd. There is security risk
    with trace enabled. So disable it in default. more info please check[0].

    [0] https://security.stackexchange.com/a/7711

    Change-Id: I4496a6d058d88e1abfb210085f189e7a610e0362
    Closes-Bug: #1705160
    (cherry picked from commit f5dd178fc534c4585fa7168ca0649c684ff869b4)