diff --git a/ChangeLog b/ChangeLog
index d6988ed9..b188b0dc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+9/29/2015 Oleg Moskalenko <mom040267@gmail.com>
+Version 4.5.0.2 'dan Eider':
+	- DTLS segmentation fault fixed;
+
 9/13/2015 Oleg Moskalenko <mom040267@gmail.com>
 Version 4.5.0.1 'dan Eider':
 	- multiple realms based on oAuth (third-party authorization);
diff --git a/rpm/build.settings.sh b/rpm/build.settings.sh
index 58fdcb19..dea4584e 100755
--- a/rpm/build.settings.sh
+++ b/rpm/build.settings.sh
@@ -2,7 +2,7 @@
 
 # Common settings script.
 
-TURNVERSION=4.5.0.1
+TURNVERSION=4.5.0.2
 BUILDDIR=~/rpmbuild
 ARCH=`uname -p`
 TURNSERVER_GIT_URL=https://github.com/coturn/coturn.git
diff --git a/rpm/turnserver.spec b/rpm/turnserver.spec
index 82fd70bd..d1007bb7 100644
--- a/rpm/turnserver.spec
+++ b/rpm/turnserver.spec
@@ -1,5 +1,5 @@
 Name:		turnserver
-Version:	4.5.0.1
+Version:	4.5.0.2
 Release:	0%{dist}
 Summary:	Coturn TURN Server
 
@@ -289,6 +289,8 @@ fi
 %{_includedir}/turn/client/TurnMsgLib.h
 
 %changelog
+* Tue Sep 29 2015 Oleg Moskalenko <mom040267@gmail.com>
+  - Sync to 4.5.0.2
 * Sun Sep 13 2015 Oleg Moskalenko <mom040267@gmail.com>
   - Sync to 4.5.0.1
 * Sat Jul 18 2015 Oleg Moskalenko <mom040267@gmail.com>
diff --git a/src/apps/common/apputils.h b/src/apps/common/apputils.h
index a0f0ac5c..11a6e5d8 100644
--- a/src/apps/common/apputils.h
+++ b/src/apps/common/apputils.h
@@ -58,10 +58,6 @@ extern int IS_TURN_SERVER;
 
 #define OPENSSL_FIRST_ALPN_VERSION (0x10002003L)
 
-#define STUN_ALPN "stun.nat-discovery"
-#define TURN_ALPN "stun.turn"
-#define HTTP_ALPN "http/1.1"
-
 #if OPENSSL_VERSION_NUMBER >= OPENSSL_FIRST_ALPN_VERSION
 #define ALPN_SUPPORTED 1
 #else
diff --git a/src/apps/relay/dtls_listener.c b/src/apps/relay/dtls_listener.c
index 80aeb82d..56e153bf 100644
--- a/src/apps/relay/dtls_listener.c
+++ b/src/apps/relay/dtls_listener.c
@@ -367,7 +367,7 @@ static int handle_udp_packet(dtls_listener_relay_server_type *server,
 			}
 		}
 
-		if(ioa_socket_check_bandwidth(s,sm->m.sm.nd.nbh,1)) {
+		if(s && ioa_socket_check_bandwidth(s,sm->m.sm.nd.nbh,1)) {
 			s->e = ioa_eng;
 			if (s && s->read_cb && sm->m.sm.nd.nbh) {
 				s->read_cb(s, IOA_EV_READ, &(sm->m.sm.nd), s->read_ctx, 1);
diff --git a/src/apps/relay/mainrelay.c b/src/apps/relay/mainrelay.c
index 75c587b2..67cc9dc3 100644
--- a/src/apps/relay/mainrelay.c
+++ b/src/apps/relay/mainrelay.c
@@ -35,6 +35,16 @@
 static int use_lt_credentials = 0;
 static int anon_credentials = 0;
 
+////// ALPN //////////
+
+#if ALPN_SUPPORTED
+
+char STUN_ALPN[128] = "stun.nat-discovery";
+char TURN_ALPN[128] = "stun.turn";
+char HTTP_ALPN[128] = "http/1.1";
+
+#endif
+
 ////// TURNDB //////////////
 
 #if defined(TURNDB)
diff --git a/src/ns_turn_defs.h b/src/ns_turn_defs.h
index 9ac9b698..3f1ad149 100644
--- a/src/ns_turn_defs.h
+++ b/src/ns_turn_defs.h
@@ -31,7 +31,7 @@
 #ifndef __IOADEFS__
 #define __IOADEFS__
 
-#define TURN_SERVER_VERSION "4.5.0.1"
+#define TURN_SERVER_VERSION "4.5.0.2"
 #define TURN_SERVER_VERSION_NAME "dan Eider"
 #define TURN_SOFTWARE "Coturn-" TURN_SERVER_VERSION " '" TURN_SERVER_VERSION_NAME "'"