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cmd/derper: add missing read/write timeouts

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Updates tailscale/corp#2486

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2021-08-31 10:18:36 -07:00 committed by Brad Fitzpatrick
parent 9b7fc2ed1f
commit 00b3c1c042
1 changed files with 10 additions and 0 deletions
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10
cmd/derper/derper.go
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@ -187,6 +187,16 @@ func main() {
httpsrv := &http.Server{ httpsrv := &http.Server{
Addr: *addr, Addr: *addr,
Handler: mux, Handler: mux,
// Set read/write timeout. For derper, this basically
// only affects TLS setup, as read/write deadlines are
// cleared on Hijack, which the DERP server does. But
// without this, we slowly accumulate stuck TLS
// handshake goroutines forever. This also affects
// /debug/ traffic, but 30 seconds is plenty for
// Prometheus/etc scraping.
ReadTimeout: 30 * time.Second,
WriteTimeout: 30 * time.Second,
} }
var err error var err error