address Potential Slowloris Attack because ReadHeaderTimeout is not configured in the http.Server #735
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Signed-off-by: cpanato <[email protected]>
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@cpanato Is there an equivalent setting for the gRPC handler? |
i'm not aware, but we can check. UPDATE: i'm not sure, did not find anything, but I dont have much experience with grpc :/ |
cmd/app/serve.go
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| @@ -80,6 +80,7 @@ func newServeCmd() *cobra.Command { | |||
| cmd.Flags().String("grpc-host", "0.0.0.0", "The host on which to serve requests for GRPC") | |||
| cmd.Flags().String("grpc-port", "8081", "The port on which to serve requests for GRPC") | |||
| cmd.Flags().String("metrics-port", "2112", "The port on which to serve prometheus metrics endpoint") | |||
| cmd.Flags().Duration("read-header-timeout", 60*time.Second, "The time allowed to read the headers of the requests in seconds") | |||
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Is this too long, should it be ~10 seconds or less (not much in the headers besides an auth token)? I assume we have request timeouts that would trigger before this, though I'm not sure where those are configured (k8s?).
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nginx uses 60s by default
i will reduce that to 10
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done
we need to check what is the value we are setting on the nginx side (client_header_timeout)
…onfigured in the http.Server Signed-off-by: cpanato <[email protected]>
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Summary
Release Note