2e16457467
Log a warning in ParseService when certFile/keyFile/caFile are configured for a listener type that never terminates TLS (tcp, udp, ws, mws, redirect, tproxy, rtcp, rudp, unix, runix, serial, stdio), so the misconfiguration is no longer silent. Uses a conservative plaintext blocklist; TLS-keyed off raw config strings so normal plaintext services stay quiet. Refs go-gost/gost#579.