syntax = "proto3"; package xray.common.protocol; option csharp_namespace = "Xray.Common.Protocol"; option go_package = "github.com/xtls/xray-core/common/protocol"; option java_package = "com.xray.common.protocol"; option java_multiple_files = true; enum SecurityType { UNKNOWN = 0; LEGACY = 1; AUTO = 2; AES128_GCM = 3; CHACHA20_POLY1305 = 4; NONE = 5; ZERO = 6; } message SecurityConfig { SecurityType type = 1; }