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x/net/http/httpproxy: document all loopbacks are special cased not just localhost

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Fixes golang/go#33695
This commit is contained in:
Alexander Yastrebov
2021-10-18 16:14:48 +02:00
parent 4f30a5c013
commit 443dbb13b1
1 changed files with 2 additions and 2 deletions
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4
http/httpproxy/proxy.go
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@@ -113,8 +113,8 @@ func getEnvAny(names ...string) string {
// environment, or a proxy should not be used for the given request, as
// defined by NO_PROXY.
//
// As a special case, if req.URL.Host is "localhost" (with or without a
// port number), then a nil URL and nil error will be returned.
// As a special case, if req.URL.Host is "localhost" or a loopback address
// (with or without a port number), then a nil URL and nil error will be returned.
func (cfg *Config) ProxyFunc() func(reqURL *url.URL) (*url.URL, error) {
// Preprocess the Config settings for more efficient evaluation.
cfg1 := &config{