diff --git a/util/src/network/error.rs b/util/src/network/error.rs
index 74babb110..31e1d785b 100644
--- a/util/src/network/error.rs
+++ b/util/src/network/error.rs
@@ -18,21 +18,42 @@ use io::IoError;
 use crypto::CryptoError;
 use rlp::*;
 
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq)]
 pub enum DisconnectReason
 {
 	DisconnectRequested,
-	_TCPError,
-	_BadProtocol,
+	TCPError,
+	BadProtocol,
 	UselessPeer,
-	_TooManyPeers,
-	_DuplicatePeer,
-	_IncompatibleProtocol,
-	_NullIdentity,
-	_ClientQuit,
-	_UnexpectedIdentity,
-	_LocalIdentity,
+	TooManyPeers,
+	DuplicatePeer,
+	IncompatibleProtocol,
+	NullIdentity,
+	ClientQuit,
+	UnexpectedIdentity,
+	LocalIdentity,
 	PingTimeout,
+	Unknown,
+}
+
+impl DisconnectReason {
+	pub fn from_u8(n: u8) -> DisconnectReason {
+		match n {
+			0 => DisconnectReason::DisconnectRequested,
+			1 => DisconnectReason::TCPError,
+			2 => DisconnectReason::BadProtocol,
+			3 => DisconnectReason::UselessPeer,
+			4 => DisconnectReason::TooManyPeers,
+			5 => DisconnectReason::DuplicatePeer,
+			6 => DisconnectReason::IncompatibleProtocol,
+			7 => DisconnectReason::NullIdentity,
+			8 => DisconnectReason::ClientQuit,
+			9 => DisconnectReason::UnexpectedIdentity,
+			10 => DisconnectReason::LocalIdentity,
+			11 => DisconnectReason::PingTimeout,
+			_ => DisconnectReason::Unknown,
+		}
+	}
 }
 
 #[derive(Debug)]
@@ -70,3 +91,22 @@ impl From<CryptoError> for NetworkError {
 	}
 }
 
+#[test]
+fn test_errors() {
+	assert_eq!(DisconnectReason::ClientQuit, DisconnectReason::from_u8(8));
+	let mut r = DisconnectReason::DisconnectRequested;
+	for i in 0 .. 20 {
+		r = DisconnectReason::from_u8(i);
+	}
+	assert_eq!(DisconnectReason::Unknown, r);
+
+	match <NetworkError as From<DecoderError>>::from(DecoderError::RlpIsTooBig) {
+		NetworkError::Auth => {},
+		_ => panic!("Unexpeceted error"),
+	}
+
+	match <NetworkError as From<CryptoError>>::from(CryptoError::InvalidSecret) {
+		NetworkError::Auth => {},
+		_ => panic!("Unexpeceted error"),
+	}
+}
diff --git a/util/src/network/session.rs b/util/src/network/session.rs
index 572b91a18..b0db5f7ef 100644
--- a/util/src/network/session.rs
+++ b/util/src/network/session.rs
@@ -231,7 +231,11 @@ impl Session {
 				try!(self.read_hello(&rlp, host));
 				Ok(SessionData::Ready)
 			},
-			PACKET_DISCONNECT => Err(From::from(NetworkError::Disconnect(DisconnectReason::DisconnectRequested))),
+			PACKET_DISCONNECT => {
+				let rlp = UntrustedRlp::new(&packet.data[1..]);
+				let reason: u8 = try!(rlp.val_at(0));
+				Err(From::from(NetworkError::Disconnect(DisconnectReason::from_u8(reason))))
+			}
 			PACKET_PING => {
 				try!(self.send_pong());
 				Ok(SessionData::None)