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mod_ssl TLSv1.3 support, removed V1_3 cipher suite directives again and added an optional protocol specifier to the SSLCipherSuite and SSLProxyCipherSuite commands.



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mod_ssl: Added configuration directives for TLSv1.3 cipher suites (which
     are separate from previous ones) as SSL(Proxy)CipherSuiteV1_3. A great opportunity
     to find a better name.


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mod_ssl: add support for TLSv1.3 (tested with OpenSSL v1.1.1-pre3, other libs may
     need more sugar). 



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PR 59821

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mod_ssl: reverting r1807709 (SSLEngine with addr:port spec) as a "seemed a good idea at the time" thing.



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Document built-in DOCUMENT_PATH_INFO and USER_NAME that have been available and undocumented for years (already present in the very first commit of mod_include.c in svn history in 1999!)

Tested and works like a charm.

Spotted while looking at PR 34405.

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Most add already been fixed when PR 59990 had been applied on trunk. 

Thx klemens

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(backported in 2.4.x in 1772678)

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(one should always save open documents before pushing anything...)

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It does/can *not* work as expected for now.



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(backported in 2.4.x in 1811748)

Improve doc highlight

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Improvement and correction welcome.

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mod_ssl: heavily simplified SSLPolicy. No more user defines, no propxy policies,
     just the basic "modern", "intermediate" and "old" as specified by Mozilla security.



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Much more to do.

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The logic in 'ap_request_has_body()' is:
    has_body = (!r->header_only
                && (r->kept_body
                    || apr_table_get(r->headers_in, "Transfer-Encoding")
                    || ( (cls = apr_table_get(r->headers_in, "Content-Length"))
                        && (apr_strtoff(&cl, cls, &estr, 10) == APR_SUCCESS)
                        && (!*estr)
                        && (cl > 0) )
                    )
                );
So the test is slighly different from the original code. (but this looks fine to me)

This also has the advantage to avoid a redundant call to 'apr_table_get()' and to improve readability.

While at it, move the test '!r->expecting_100' a few lines above because it is cheap.

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On EBCDIC systems, translation does not occur in ap_rgetline() if the line is
larger than the buffer size.

Submitted By: Hank Ibell
Committed By: covener


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Mostly some missing <var></var> and <module></module>

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     requests. See also https://github.com/roadrunner2/mod-proxy-protocol/issues/6


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     watchdog in a tight loop until actual renewal becomes necessary.


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