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net/http/httputil: add docs about X-Forwarded-For in ReverseProxy #36672

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net/http/httputil: add docs about X-Forwarded-For in ReverseProxy #36672

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net/http/httputil: docs about X-Forwarded-For in ReverseProxy
dunglas Jan 21, 2020
fd0bd29
fix review issues
dunglas Jan 21, 2020
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8 changes: 8 additions & 0 deletions src/net/http/httputil/reverseproxy.go
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Expand Up @@ -24,6 +24,14 @@ import (
// ReverseProxy is an HTTP Handler that takes an incoming request and
// sends it to another server, proxying the response back to the
// client.
//
// ReverseProxy automatically sets the client IP as the value of the
// X-Forwarded-For header.
// If an X-Forwarded-For header already exists, the client IP is
// appended to the existing values.
// To prevent IP spoofing, be sure to delete any pre-existing
// X-Forwarded-For header coming from the client or
// an untrusted proxy.
type ReverseProxy struct {
// Director must be a function which modifies
// the request into a new request to be sent
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