diff --git a/mtglib/init.go b/mtglib/init.go
index 826f124..a0e5f8f 100644
--- a/mtglib/init.go
+++ b/mtglib/init.go
@@ -20,6 +20,10 @@ var (
 
 const (
 	DefaultConcurrency = 4096
+	DefaultBufferSize  = 16 * 1024 // 16 kib
+	DefaultCloakPort   = 443
+	DefaultIdleTimeout = time.Minute
+	DefaultPreferIP    = "prefer-ipv6"
 )
 
 type Network interface {
diff --git a/mtglib/internal/obfuscated2/frame.go b/mtglib/internal/obfuscated2/frame.go
new file mode 100644
index 0000000..07570d8
--- /dev/null
+++ b/mtglib/internal/obfuscated2/frame.go
@@ -0,0 +1 @@
+package obfuscated2
diff --git a/network/init.go b/network/init.go
index 29c3056..57053af 100644
--- a/network/init.go
+++ b/network/init.go
@@ -10,7 +10,7 @@ import (
 const (
 	DefaultTimeout     = 10 * time.Second
 	DefaultHTTPTimeout = 10 * time.Second
-	DefaultBufferSize  = 4096
+	DefaultBufferSize  = 16 * 1024 // 16 kib
 
 	ProxyDialerOpenThreshold        = 5
 	ProxyDialerHalfOpenTimeout      = time.Minute