diff --git a/src/authradius.c b/src/authradius.c
index 652a317..8847969 100644
--- a/src/authradius.c
+++ b/src/authradius.c
@@ -554,6 +554,7 @@ int radsend(struct clientparam * param, int auth, int stop){
 		}
 		else remsock = radiuslist[loop].logsock;
 */
+		so._bind(param->remsock,(struct sockaddr *)&radiuslist[loop].localaddr,SASIZE(&radiuslist[loop].localaddr));
 		len = so._sendto(remsock, (char *)&packet, total_length, 0,
 		      (struct sockaddr *)&saremote, sizeof(saremote));
 		if(len != ntohs(packet.length)){
diff --git a/src/conf.c b/src/conf.c
index 01b5664..6626ea9 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -1329,13 +1329,19 @@ static int h_radius(int argc, unsigned char **argv){
 	if(strlen(argv[1]) > 63) argv[1][63] = 0;
 	strcpy(radiussecret, argv[1]);
 	for( nradservers=0; nradservers < MAXRADIUS && nradservers < argc -2; nradservers++){
+		char *s = 0;
+		if(strchr(argv[nradservers + 2], '/')){
+			*s = 0;
+			s++;
+		}
 		if( !getip46(46, argv[nradservers + 2], (struct sockaddr *)&radiuslist[nradservers].authaddr)) return 1;
+		if( s && !getip46(46, s, (struct sockaddr *)&radiuslist[nradservers].localaddr)) return 2;
 		if(!*SAPORT(&radiuslist[nradservers].authaddr))*SAPORT(&radiuslist[nradservers].authaddr) = htons(1812);
 		port = ntohs(*SAPORT(&radiuslist[nradservers].authaddr));
 		radiuslist[nradservers].logaddr = radiuslist[nradservers].authaddr;
  	        *SAPORT(&radiuslist[nradservers].logaddr) = htons(port+1);
 /*
-		bindaddr = conf.intsa;
+		bindaddr = radiuslist[nradservers].localaddr;
 		if ((radiuslist[nradservers].logsock = so._socket(SASOCK(&radiuslist[nradservers].logaddr), SOCK_DGRAM, 0)) < 0) return 2;
 		if (so._bind(radiuslist[nradservers].logsock, (struct sockaddr *)&bindaddr, SASIZE(&bindaddr))) return 3;
 */
diff --git a/src/proxy.h b/src/proxy.h
index 2912962..85beda4 100644
--- a/src/proxy.h
+++ b/src/proxy.h
@@ -320,9 +320,9 @@ extern struct commands commandhandlers[];
 
 extern struct radserver {
 #ifdef NOIPV6
-	struct  sockaddr_in authaddr, logaddr;
+	struct  sockaddr_in authaddr, logaddr, localaddr;
 #else
-	struct  sockaddr_in6 authaddr, logaddr;
+	struct  sockaddr_in6 authaddr, logaddr, localaddr;
 #endif
 /*
 	SOCKET logsock;
diff --git a/src/proxymain.c b/src/proxymain.c
index 9388955..7844c84 100644
--- a/src/proxymain.c
+++ b/src/proxymain.c
@@ -61,7 +61,7 @@ void * threadfunc (void *p) {
 #ifndef _WIN32
 	sigset_t mask;
 	sigfillset(&mask);
-	pthread_sigmask(SIG_SETMASK, &mask, NULL);
+	if(param->srv->service != S_UDPPM)pthread_sigmask(SIG_SETMASK, &mask, NULL);
 #endif
 
 	((struct clientparam *) p)->srv->pf((struct clientparam *)p);