This feature (headers, not logging body) exists in master branch:

https://docs.trafficserver.apache.org/en/latest/admin-guide/logging/formatting.en.html#admin-logging-fields-headers

See "It is also possible to log all of the headers in a transaction message with a single field."

David

On Wed, Feb 27, 2019 at 11:17 AM Eric Chaves <eric@uolet.com> wrote:
Hi Folks, does anyone knows if its possible to have ATS logging the actual HTTP messages (request/response) or at least the req/res body? I scouted the log fields and didn't locate anything related.

Best regards,

Eric