geo: chains of trusted proxies and partial IPv6 support. The module now supports recursive search of client address through the chain of trusted proxies, controlled by the "proxy_recursive" directive in the "geo" block. It also gets partial IPv6 support: now proxies may be specified with IPv6 addresses. Example: geo $test { ... proxy 127.0.0.1; proxy ::1; proxy_recursive; } There's also a slight change in behavior. When original client address (as specified by the "geo" directive) is one of the trusted proxies, and the value of the X-Forwarded-For request header cannot not be parsed as a valid address, an original client address will be used for lookup. Previously, 255.255.255.255 was used in this case.

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