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DOC: config: Update doc for PR/PH session states to warn about rewrite failures

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When an HTTP header rewrite failure is triggered, and 500-internal-error
response is returned. A "PR" termination state is logged if the error
occurred on the request and "PH" if the error is reported for the response.

The documentation was updated accordingly.

This patch is related to issue #1597.
This commit is contained in:
Christopher Faulet 2022-05-05 12:27:07 +02:00
parent d934e8d963
commit 24dda9403a
1 changed files with 8 additions and 2 deletions
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10
doc/configuration.txt
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@ -22375,12 +22375,18 @@ easier finding and understanding.
rare, that the proxy blocked a chunked-encoding request from the
client due to an invalid syntax, before the server responded. In this
case, an HTTP 400 error is sent to the client and reported in the
logs.
logs. Finally, it may be due to an HTTP header rewrite failure on the
response. In this case, an HTTP 500 error is sent (see
"tune.maxrewrite" and "http-response strict-mode" for more
inforomation).
PR The proxy blocked the client's HTTP request, either because of an
invalid HTTP syntax, in which case it returned an HTTP 400 error to
the client, or because a deny filter matched, in which case it
returned an HTTP 403 error.
returned an HTTP 403 error. It may also be due to an HTTP header
rewrite failure on the request. In this case, an HTTP 500 error is
sent (see "tune.maxrewrite" and "http-request strict-mode" for more
inforomation).
PT The proxy blocked the client's request and has tarpitted its
connection before returning it a 500 server error. Nothing was sent