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-rw-r--r--derp/derphttp/derphttp_server.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/derp/derphttp/derphttp_server.go b/derp/derphttp/derphttp_server.go
index ed7d3d707..6d8053eb6 100644
--- a/derp/derphttp/derphttp_server.go
+++ b/derp/derphttp/derphttp_server.go
@@ -98,6 +98,7 @@ func ServeNoContent(w http.ResponseWriter, r *http.Request) {
w.Header().Set(NoContentResponseHeader, "response "+challenge)
}
}
+ w.Header().Set("Cache-Control", "no-cache, no-store, must-revalidate, no-transform, max-age=0")
w.WriteHeader(http.StatusNoContent)
}