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Prevent UA from being set to golang's default ones 

Go automatically sets HTTP header `User-Agent' to `Go-http-client/1.1'
if it hasn't been set before, which in some cases breaks the
transparency of proxy.

Such behavior can be prevented by setting it to an empty string.
pull/685/head
Valture 2017-11-05 19:24:26 +00:00
parent e60de73c70
commit 973378d610
1 changed files with 5 additions and 0 deletions
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5
proxy/http/server.go
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@ -212,6 +212,11 @@ func StripHopByHopHeaders(header http.Header) {
for _, h := range strings.Split(connections, ",") { for _, h := range strings.Split(connections, ",") {
header.Del(strings.TrimSpace(h)) header.Del(strings.TrimSpace(h))
} }
// Prevent UA from being set to golang's default ones
if len(header.Get("User-Agent")) == 0 {
header.Set("User-Agent", "")
}
} }
var errWaitAnother = newError("keep alive") var errWaitAnother = newError("keep alive")