[Request] Ignore invalid IP addresses sent by proxies #16736
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| @@ -858,7 +858,8 @@ public function testGetClientIpsForwardedProvider() | |||
| // $expected $remoteAddr $httpForwarded $trustedProxies | |||
| return array( | |||
| array(array('127.0.0.1'), '127.0.0.1', 'for="_gazonk"', null), | |||
| array(array('_gazonk'), '127.0.0.1', 'for="_gazonk"', array('127.0.0.1')), | |||
| array(array('127.0.0.1'), '127.0.0.1', 'for="_gazonk"', array('127.0.0.1')), | |||
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This test case is modified, but returning something different that an IP address here looks broken.
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We already have this test case. See line above.
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There is no trusted proxy on the previous test.
| } | ||
| } | ||
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| // Now the IP chain contains only untrusted proxies and the client IP | ||
| return $clientIps ? array_reverse($clientIps) : array($ip); | ||
| return $clientIps ? array_reverse($clientIps) : array($firstTrustedIp); |
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wouldn't this now be able to return array(null) in some cases though ?
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@GromNaN Any thoughts about this?
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If the REMOTE_ADDR header contains an invalid IP address maybe.
|
Thank you @GromNaN. |
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Jan 25, 2016
…mNaN) This PR was submitted for the 2.8 branch but it was merged into the 2.3 branch instead (closes #16736). Discussion ---------- [Request] Ignore invalid IP addresses sent by proxies | Q | A | ------------- | --- | Bug fix? | yes | New feature? | no | BC breaks? | ? | Deprecations? | no | Tests pass? | yes | Fixed tickets | #15525 | License | MIT | Doc PR | n/a The [RFC 7239](https://tools.ietf.org/html/rfc7239#section-6.2) allows other values that IP addresses to be passed in `Forwarded`header and [Nginx can add `unknown` to the `X-Forwarded-For`header](http://www.squid-cache.org/Doc/config/forwarded_for/). To prevent these invalid IP addresses from being returned as "Client IP", this PR ensure that they are excluded. Commits ------- 6578806 [Request] Ignore invalid IP addresses sent by proxies
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This was referenced Feb 28, 2016
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The RFC 7239 allows other values that IP addresses to be passed in
Forwardedheader and Nginx can addunknownto theX-Forwarded-Forheader.To prevent these invalid IP addresses from being returned as "Client IP", this PR ensure that they are excluded.