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From Benno Evers <bev...@mesosphere.com>
Subject Re: Review Request 70749: Introduced optional new algorithm for hostname validation.
Date Wed, 19 Jun 2019 14:46:00 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/70749/
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(Updated June 19, 2019, 2:45 p.m.)


Review request for mesos, Alexander Rukletsov, Joseph Wu, and Till Toenshoff.


Summary (updated)
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Introduced optional new algorithm for hostname validation.


Bugs: MESOS-9809
    https://issues.apache.org/jira/browse/MESOS-9809


Repository: mesos


Description
-------

This commit introduces a new libprocess SSL flag
`hostname_validation_algorithm`, which can be used to select
between the previous hostname validation behaviour and a new
option to use standardized OpenSSL algorithms to handle
hostname validation as part of the

As a nice side-effect, the new algorithm gets rid of reverse DNS
lookups during TLS connection establishment, which used to be
a common source of hard-to-debug unresponsiveness in Mesos
components.

See `docs/ssl.md` in the follow-up commit for details of and
differences between the algorithms.


Diffs (updated)
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  3rdparty/libprocess/include/process/ssl/flags.hpp f3483f97f93bb29117b2c78f0f2ed9735d9c4b3a

  3rdparty/libprocess/src/openssl.hpp 17bec246e516261f8d772f1647c17f092fae82d1 
  3rdparty/libprocess/src/openssl.cpp e7dbd67913fa8e7fbbf60dee428e7e38895f86ce 
  3rdparty/libprocess/src/posix/libevent/libevent_ssl_socket.hpp 6ef5a86566af3439cfe0b06ab3576076623f7be0

  3rdparty/libprocess/src/posix/libevent/libevent_ssl_socket.cpp 29a1bf71c1df9d80370455a6269ecea0ec4193b0



Diff: https://reviews.apache.org/r/70749/diff/3/

Changes: https://reviews.apache.org/r/70749/diff/2-3/


Testing
-------

Todo!


Thanks,

Benno Evers


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