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HTTP header reference
X-Forwarded-For

← All headersRequest header

What is an X-Forwarded-For header?

Identifies the originating IP address of a client connecting through a proxy or load balancer.

Other Request headers

Accept Accept-Charset Accept-Encoding Accept-Language Access-Control-Request-Method Access-Control-Request-Headers Authorization Cookie Expect Forwarded From Host If-Match If-Modified-Since If-None-Match If-Range If-Unmodified-Since Max-Forwards Origin Proxy-Authorization Range Referer TE User-Agent DNT X-Requested-With X-Forwarded-Host X-Forwarded-Proto Upgrade-Insecure-Requests Save-Data Sec-GPC

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Uptime monitoring that tells you the moment something breaks.

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