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remove unsupported trusted header config values #15011

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Merged
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Feb 22, 2021
Merged

remove unsupported trusted header config values #15011

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9 changes: 0 additions & 9 deletions deployment/proxies.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -37,9 +37,6 @@ and what headers your reverse proxy uses to send information:
trusted_headers: ['x-forwarded-for', 'x-forwarded-host', 'x-forwarded-proto', 'x-forwarded-port']
// or, if your proxy instead uses the "Forwarded" header
trusted_headers: ['forwarded']
// or, if you're using a wellknown proxy
trusted_headers: [!php/const Symfony\\Component\\HttpFoundation\\Request::HEADER_X_FORWARDED_AWS_ELB]
trusted_headers: [!php/const Symfony\\Component\\HttpFoundation\\Request::HEADER_X_FORWARDED_TRAEFIK]

.. code-block:: xml

Expand Down Expand Up @@ -80,9 +77,6 @@ and what headers your reverse proxy uses to send information:
'trusted_headers' => ['x-forwarded-for', 'x-forwarded-host', 'x-forwarded-proto', 'x-forwarded-port'],
// or, if your proxy instead uses the "Forwarded" header
'trusted_headers' => ['forwarded'],
// or, if you're using a wellknown proxy
'trusted_headers' => [Request::HEADER_X_FORWARDED_AWS_ELB],
'trusted_headers' => [Request::HEADER_X_FORWARDED_TRAEFIK],
]);

.. deprecated:: 5.2
Expand Down Expand Up @@ -135,9 +129,6 @@ In this case, you'll need to - *very carefully* - trust *all* proxies.
// run time by $_SERVER['REMOTE_ADDR'])
trusted_proxies: '127.0.0.1,REMOTE_ADDR'

// if you're using ELB, otherwise use another Request::HEADER-* constant
trusted_headers: [!php/const Symfony\\Component\\HttpFoundation\\Request::HEADER_X_FORWARDED_AWS_ELB, '!x-forwarded-host', '!x-forwarded-prefix']

That's it! It's critical that you prevent traffic from all non-trusted sources.
If you allow outside traffic, they could "spoof" their true IP address and
other information.
Expand Down