diff --git a/src/auth.c b/src/auth.c
index 5c1999f..c1f705d 100644
--- a/src/auth.c
+++ b/src/auth.c
@@ -44,12 +44,12 @@ unsigned char * getNetBIOSnamebyip(unsigned long ip){
  sins.sin_family = AF_INET;
  sins.sin_addr.s_addr = ip;
  sins.sin_port = htons(137);
- res=socksendto(sock, &sins, request, sizeof(request), conf.timeouts[SINGLEBYTE_L]*1000);
+ res=socksendto(sock, (struct sockaddr*)&sins, request, sizeof(request), conf.timeouts[SINGLEBYTE_L]*1000);
  if(res <= 0) {
 	so._closesocket(sock);
 	return NULL;
  }
- res = sockrecvfrom(sock, &sins, buf, sizeof(buf), conf.timeouts[SINGLEBYTE_L]*1000);
+ res = sockrecvfrom(sock, (struct sockaddr*)&sins, buf, sizeof(buf), conf.timeouts[SINGLEBYTE_L]*1000);
  so._closesocket(sock);
  if(res < (HEADERSIZE + RECORDSIZE)) {
 	return NULL;
@@ -376,7 +376,8 @@ int ACLmatches(struct ace* acentry, struct clientparam * param){
 	username = param->username?param->username:(unsigned char *)"-";
 	if(acentry->src) {
 	 for(ipentry = acentry->src; ipentry; ipentry = ipentry->next)
-		if(ipentry->ip == (param->sinc.sin_addr.s_addr & ipentry->mask)) {
+/* FIX IT !*/
+		if(ipentry->ip == (*(unsigned long *)SAADDR(&param->sincr) & ipentry->mask)) {
 			break;
 		}
 		if(!ipentry) return 0;
@@ -673,7 +674,8 @@ int cacheauth(struct clientparam * param){
 			
 		}
 		if(((!(conf.authcachetype&2)) || (param->username && ac->username && !strcmp(ac->username, param->username))) &&
-		   ((!(conf.authcachetype&1)) || ac->ip == param->sinc.sin_addr.s_addr) && 
+/* FIX IT */
+		   ((!(conf.authcachetype&1)) || ac->ip == *(unsigned long *)SAADDR(&param->sincr)) && 
 		   (!(conf.authcachetype&4) || (ac->password && param->password && !strcmp(ac->password, param->password)))) {
 			if(param->username){
 				myfree(param->username);
@@ -707,7 +709,8 @@ int doauth(struct clientparam * param){
 				pthread_mutex_lock(&hash_mutex);
 				for(ac = authc; ac; ac = ac->next){
 					if((!(conf.authcachetype&2) || !strcmp(ac->username, param->username)) &&
-					   (!(conf.authcachetype&1) || ac->ip == param->sinc.sin_addr.s_addr)  &&
+/* FIX IT */
+					   (!(conf.authcachetype&1) || ac->ip == *(unsigned long *)SAADDR(&param->sincr))  &&
 					   (!(conf.authcachetype&4) || (ac->password && !strcmp(ac->password, param->password)))) {
 						ac->expires = conf.time + conf.authcachetime;
 						if(strcmp(ac->username, param->username)){
@@ -720,7 +723,8 @@ int doauth(struct clientparam * param){
 							ac->password = mystrdup(param->password);
 							myfree(tmp);
 						}
-						ac->ip = param->sinc.sin_addr.s_addr;
+/* FIX IT */
+						ac->ip = *(unsigned long *)SAADDR(&param->sincr);
 						break;
 					}
 				}
@@ -729,7 +733,8 @@ int doauth(struct clientparam * param){
 					if(ac){
 						ac->expires = conf.time + conf.authcachetime;
 						ac->username = mystrdup(param->username);
-						ac->ip = param->sinc.sin_addr.s_addr;
+/* FIX IT */
+						ac->ip = *(unsigned long *)SAADDR(&param->sincr);
 						ac->password = NULL;
 						if((conf.authcachetype&4) && param->password) ac->password = mystrdup(param->password);
 					}
@@ -765,7 +770,8 @@ int userauth(struct clientparam * param){
 }
 
 int nbnameauth(struct clientparam * param){
-	unsigned char * name = getNetBIOSnamebyip(param->sinc.sin_addr.s_addr);
+/* FIX IT */
+	unsigned char * name = getNetBIOSnamebyip(*(unsigned long *)SAADDR(&param->sincr));
 
 	if (param->username) myfree (param->username);
 	param->username = name;
@@ -774,7 +780,8 @@ int nbnameauth(struct clientparam * param){
 
 int dnsauth(struct clientparam * param){
         char buf[32];
-	unsigned u = ntohl(param->sinc.sin_addr.s_addr);
+/* FIX IT */
+	unsigned u = ntohl(*(unsigned long *)SAADDR(&param->sincr));
 
 	sprintf(buf, "%u.%u.%u.%u.in-addr.arpa", 
 
@@ -784,8 +791,8 @@ int dnsauth(struct clientparam * param){
 	((u&0x00FF0000)>>16),
 	((u&0xFF000000)>>24));
 	
-
-	if(param->sinc.sin_addr.s_addr != udpresolve(buf, NULL, param, 1)) return 6;
+/* FIX IT */
+	if(*(unsigned long *)SAADDR(&param->sincr) != udpresolve(buf, NULL, param, 1)) return 6;
 
 	return param->username? 0:4;
 }
@@ -1054,13 +1061,13 @@ unsigned long udpresolve(unsigned char * name, unsigned *retttl, struct clientpa
 		buf[len++] = (makeauth == 1)? 0x0c : 0x01;	/* PTR:host address */
 		buf[len++] = 0;
 		buf[len++] = 1;			/* INET */
-		if(socksendto(sock, sinsp, buf, len, conf.timeouts[SINGLEBYTE_L]*1000) != len){
+		if(socksendto(sock, (struct sockaddr *)sinsp, buf, len, conf.timeouts[SINGLEBYTE_L]*1000) != len){
 			so._shutdown(sock, SHUT_RDWR);
 			so._closesocket(sock);
 			continue;
 		}
 		if(param) param->statscli64 += len;
-		len = sockrecvfrom(sock, sinsp, buf, 4096, 15000);
+		len = sockrecvfrom(sock, (struct sockaddr *) sinsp, buf, 4096, 15000);
 		so._shutdown(sock, SHUT_RDWR);
 		so._closesocket(sock);
 		if(len <= 13) continue;
diff --git a/src/common.c b/src/common.c
index 96397ca..7b2e114 100644
--- a/src/common.c
+++ b/src/common.c
@@ -22,7 +22,7 @@ int randomizer = 1;
 
 unsigned char **stringtable = NULL;
 
-int myinet_ntop(int af, const void *src, char *dst, socklen_t size){
+int myinet_ntop(int af, void *src, char *dst, socklen_t size){
 #ifndef NOIPV6
  if(af != AF_INET6){
 #endif 
@@ -463,7 +463,7 @@ int dobuf2(struct clientparam * param, unsigned char * buf, const unsigned char
 				 i += myinet_ntop(AF_INET, &tmpia, (char *)buf + i, 64);
 				 break;
 				case 'C':
-				 i += myinet_ntop(*SAFAMILY(&param->sinc), SAADDR(&param->sinc), (char *)buf + i, 64);
+				 i += myinet_ntop(*SAFAMILY(&param->sincr), SAADDR(&param->sincr), (char *)buf + i, 64);
 				 break;
 				case 'R':
 				 i += myinet_ntop(*SAFAMILY(&param->sins), SAADDR(&param->sins), (char *)buf + i, 64);
@@ -476,7 +476,7 @@ int dobuf2(struct clientparam * param, unsigned char * buf, const unsigned char
 				 i += (int)strlen((char *)buf+i);
 				 break;
 				case 'c':
-				 sprintf((char *)buf+i, "%hu", ntohs(param->sinc.sin_port));
+				 sprintf((char *)buf+i, "%hu", ntohs(*SAPORT(&param->sincr)));
 				 i += (int)strlen((char *)buf+i);
 				 break;
 				case 'r':
@@ -612,7 +612,7 @@ int doconnect(struct clientparam * param){
 	bindsa.sin_family = AF_INET;
 	bindsa.sin_port = param->extport;
 	bindsa.sin_addr.s_addr = param->extip;
-	if (param->srv->targetport && !bindsa.sin_port && ntohs(param->sinc.sin_port) > 1023) bindsa.sin_port = param->sinc.sin_port;
+	if (param->srv->targetport && !bindsa.sin_port && ntohs(*SAPORT(&param->sincr)) > 1023) bindsa.sin_port = *SAPORT(&param->sincr);
 	if(so._bind(param->remsock, (struct sockaddr*)&bindsa, sizeof(bindsa))==-1) {
 		memset(&bindsa, 0, sizeof(bindsa));
 		bindsa.sin_family = AF_INET;
diff --git a/src/datatypes.c b/src/datatypes.c
index 211020d..5d9a681 100644
--- a/src/datatypes.c
+++ b/src/datatypes.c
@@ -637,8 +637,8 @@ static void * ef_client_extpassword(struct node * node){
 	return ((struct clientparam *)node->value) -> extpassword;
 }
 
-static void * ef_client_cliip(struct node * node){
-	return &((struct clientparam *)node->value) -> sinc.sin_addr.s_addr;
+static void * ef_client_clisa(struct node * node){
+	return &((struct clientparam *)node->value) -> sincr;
 }
 
 static void * ef_client_srvip(struct node * node){
@@ -657,10 +657,6 @@ static void * ef_client_srvport(struct node * node){
 	return &((struct clientparam *)node->value) -> sins.sin_port;
 }
 
-static void * ef_client_cliport(struct node * node){
-	return &((struct clientparam *)node->value) -> sinc.sin_port;
-}
-
 static void * ef_client_pwtype(struct node * node){
 	return &((struct clientparam *)node->value) -> pwtype;
 }
@@ -802,17 +798,16 @@ static struct property prop_client[] = {
 	{prop_client + 9, "extpassword", ef_client_extpassword, TYPE_STRING, "password for requested host"},
 	{prop_client + 10, "username", ef_client_username, TYPE_STRING, "client username"},
 	{prop_client + 11, "password", ef_client_password, TYPE_STRING, "client password"},
-	{prop_client + 12, "cliip", ef_client_cliip, TYPE_IP, "client ip"},
-	{prop_client + 13, "cliport", ef_client_cliport, TYPE_PORT, "client port"},
-	{prop_client + 14, "srvip", ef_client_srvip, TYPE_IP, "target server ip"},
-	{prop_client + 15, "srvport", ef_client_srvport, TYPE_PORT, "target server port"},
-	{prop_client + 16, "reqip", ef_client_reqip, TYPE_IP, "requested server ip"},
-	{prop_client + 17, "reqport", ef_client_reqport, TYPE_PORT, "requested server port"},
-	{prop_client + 18, "bytesin", ef_client_bytesin64, TYPE_UNSIGNED64, "bytes from server to client"},
-	{prop_client + 19, "bytesout", ef_client_bytesout64, TYPE_UNSIGNED64, "bytes from client to server"},
-	{prop_client + 20, "maxtrafin", ef_client_maxtrafin64, TYPE_UNSIGNED64, "maximum traffic allowed for download"},
-	{prop_client + 21, "maxtrafout", ef_client_maxtrafout64, TYPE_UNSIGNED64, "maximum traffic allowed for upload"},
-	{prop_client + 22, "pwtype", ef_client_pwtype, TYPE_INTEGER, "type of client password"},
+	{prop_client + 12, "clisa", ef_client_clisa, TYPE_SA, "client sa"},
+	{prop_client + 13, "srvip", ef_client_srvip, TYPE_IP, "target server ip"},
+	{prop_client + 14, "srvport", ef_client_srvport, TYPE_PORT, "target server port"},
+	{prop_client + 15, "reqip", ef_client_reqip, TYPE_IP, "requested server ip"},
+	{prop_client + 16, "reqport", ef_client_reqport, TYPE_PORT, "requested server port"},
+	{prop_client + 17, "bytesin", ef_client_bytesin64, TYPE_UNSIGNED64, "bytes from server to client"},
+	{prop_client + 18, "bytesout", ef_client_bytesout64, TYPE_UNSIGNED64, "bytes from client to server"},
+	{prop_client + 19, "maxtrafin", ef_client_maxtrafin64, TYPE_UNSIGNED64, "maximum traffic allowed for download"},
+	{prop_client + 20, "maxtrafout", ef_client_maxtrafout64, TYPE_UNSIGNED64, "maximum traffic allowed for upload"},
+	{prop_client + 21, "pwtype", ef_client_pwtype, TYPE_INTEGER, "type of client password"},
 	{NULL, "next", ef_client_next, TYPE_CLIENT, "next"}
 
 	
diff --git a/src/dnspr.c b/src/dnspr.c
index 65faaf6..945edcc 100644
--- a/src/dnspr.c
+++ b/src/dnspr.c
@@ -36,8 +36,8 @@ void * dnsprchild(struct clientparam* param) {
 	param->srv->fds.events = POLLIN;
 	RETURN (21);
  }
- size = sizeof(struct sockaddr_in);
- i = so._recvfrom(param->srv->srvsock, buf, BUFSIZE, 0, (struct sockaddr *)&param->sinc, &size); 
+ size = sizeof(param->sincr);
+ i = so._recvfrom(param->srv->srvsock, buf, BUFSIZE, 0, (struct sockaddr *)&param->sincr, &size); 
 #ifdef _WIN32
 	if((param->clisock=so._socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) == INVALID_SOCKET) {
 		RETURN(818);
@@ -144,19 +144,19 @@ void * dnsprchild(struct clientparam* param) {
 	}
 	param->sins.sin_addr.s_addr = nservers[0];
 	param->sins.sin_port = htons(53);
-	if(socksendto(param->remsock, &param->sins, buf, i, conf.timeouts[SINGLEBYTE_L]*1000) != i){
+	if(socksendto(param->remsock, (struct sockaddr *)&param->sins, buf, i, conf.timeouts[SINGLEBYTE_L]*1000) != i){
 		RETURN(820);
 	}
 	param->statscli64 += i;
 	param->nwrites++;
-	len = sockrecvfrom(param->remsock, &param->sins, buf, BUFSIZE, 15000);
+	len = sockrecvfrom(param->remsock, (struct sockaddr *)&param->sins, buf, BUFSIZE, 15000);
 	if(len <= 13) {
 		RETURN(821);
 	}
 	param->statssrv64 += len;
 	param->nreads++;
 	if(buf[6] || buf[7]){
-		if(socksendto(param->clisock, &param->sinc, buf, len, conf.timeouts[SINGLEBYTE_L]*1000) != len){
+		if(socksendto(param->clisock, (struct sockaddr *)&param->sincr, buf, len, conf.timeouts[SINGLEBYTE_L]*1000) != len){
 			RETURN(822);
 		}
 		RETURN(0);
@@ -168,7 +168,7 @@ void * dnsprchild(struct clientparam* param) {
 	buf[3] = 0x83;
  }
  usleep(SLEEPTIME);
- res = socksendto(param->clisock, &param->sinc, buf, len, conf.timeouts[SINGLEBYTE_L]*1000); 
+ res = socksendto(param->clisock, (struct sockaddr *)&param->sincr, buf, len, conf.timeouts[SINGLEBYTE_L]*1000); 
  if(res != len){RETURN(819);}
  if(!ip) {RETURN(888);}
 
diff --git a/src/ftppr.c b/src/ftppr.c
index 22bb4a2..14bc1f1 100644
--- a/src/ftppr.c
+++ b/src/ftppr.c
@@ -119,32 +119,35 @@ void * ftpprchild(struct clientparam* param) {
 			so._closesocket(clidatasock);
 			clidatasock = INVALID_SOCKET;
 		}
-		if ((clidatasock=socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) == INVALID_SOCKET) {RETURN(821);}
-		sasize = sizeof(struct sockaddr_in);
-		if(so._getsockname(param->ctrlsock, (struct sockaddr *)&param->sinc, &sasize)){RETURN(824);}
-		param->sinc.sin_port = 0;
-		if(so._bind(clidatasock, (struct sockaddr *)&param->sinc, sasize)){RETURN(822);}
+		if ((clidatasock=socket(SASOCK(&param->sincl), SOCK_STREAM, IPPROTO_TCP)) == INVALID_SOCKET) {RETURN(821);}
+		sasize = sizeof(param->sincl);
+		*SAPORT(&param->sincl) = 0;
+		if(so._bind(clidatasock, (struct sockaddr *)&param->sincl, sasize)){RETURN(822);}
 		if (pasv) {
 			if(so._listen(clidatasock, 1)) {RETURN(823);}
-			if(so._getsockname(clidatasock, (struct sockaddr *)&param->sinc, &sasize)){RETURN(824);}
-			sprintf((char *)buf, "227 OK (%u,%u,%u,%u,%u,%u)\r\n",
-				 (unsigned)(((unsigned char *)(&param->sinc.sin_addr.s_addr))[0]),
-				 (unsigned)(((unsigned char *)(&param->sinc.sin_addr.s_addr))[1]),
-				 (unsigned)(((unsigned char *)(&param->sinc.sin_addr.s_addr))[2]),
-				 (unsigned)(((unsigned char *)(&param->sinc.sin_addr.s_addr))[3]),
-				 (unsigned)(((unsigned char *)(&param->sinc.sin_port))[0]),
-				 (unsigned)(((unsigned char *)(&param->sinc.sin_port))[1])
-				);
+			if(so._getsockname(clidatasock, (struct sockaddr *)&param->sincl, &sasize)){RETURN(824);}
+			if(*SAFAMILY(&param->sincl) == AF_INET)
+				sprintf((char *)buf, "227 OK (%u,%u,%u,%u,%u,%u)\r\n",
+					 (unsigned)(((unsigned char *)(SAADDR(&param->sincl)))[0]),
+					 (unsigned)(((unsigned char *)(SAADDR(&param->sincl)))[1]),
+					 (unsigned)(((unsigned char *)(SAADDR(&param->sincl)))[2]),
+					 (unsigned)(((unsigned char *)(SAADDR(&param->sincl)))[3]),
+					 (unsigned)(((unsigned char *)(SAPORT(&param->sincl)))[3]),
+					 (unsigned)(((unsigned char *)(SAPORT(&param->sincl)))[3])
+					);
+			else sprintf((char *)buf, "227 OK (127,0,0,1,%u,%u)\r\n", 
+					 (unsigned)(((unsigned char *)(SAPORT(&param->sincl)))[3]),
+					 (unsigned)(((unsigned char *)(SAPORT(&param->sincl)))[3])
+					);			
 		}
 		else {
 			unsigned long b1, b2, b3, b4;
 			unsigned short b5, b6;
 
 			if(sscanf((char *)buf+5, "%lu,%lu,%lu,%lu,%hu,%hu", &b1, &b2, &b3, &b4, &b5, &b6)!=6) {RETURN(828);}
-			param->sinc.sin_family = AF_INET;
-			param->sinc.sin_port = htons((unsigned short)((b5<<8)^b6));
-			param->sinc.sin_addr.s_addr = htonl((b1<<24)^(b2<<16)^(b3<<8)^b4);
-			if(so._connect(clidatasock, (struct sockaddr *)&param->sinc, sasize)) {
+			*SAPORT(&param->sincr) = htons((unsigned short)((b5<<8)^b6));
+			sasize = sizeof(param->sincr);
+			if(so._connect(clidatasock, (struct sockaddr *)&param->sincr, sasize)) {
 				so._closesocket(clidatasock);
 				clidatasock = INVALID_SOCKET;
 				RETURN(826);
@@ -203,8 +206,8 @@ void * ftpprchild(struct clientparam* param) {
 			if(res != 1) {
 				RETURN(857);
 			}
-			sasize = sizeof(struct sockaddr_in);
-			ss = so._accept(clidatasock, (struct sockaddr *)&param->sinc, &sasize);
+			sasize = sizeof(param->sincr);
+			ss = so._accept(clidatasock, (struct sockaddr *)&param->sincr, &sasize);
 			if (ss == INVALID_SOCKET) { RETURN (858);}
 			so._shutdown(clidatasock, SHUT_RDWR);
 			so._closesocket(clidatasock);
@@ -283,8 +286,8 @@ void * ftpprchild(struct clientparam* param) {
 		if(status == 5) {RETURN (0);}
 		if(i < 3) {RETURN (813);}
 	}
-	sasize = sizeof(struct sockaddr_in);
-	if(so._getpeername(param->ctrlsock, (struct sockaddr *)&param->sinc, &sasize)){RETURN(819);}
+	sasize = sizeof(param->sincr);
+	if(so._getpeername(param->ctrlsock, (struct sockaddr *)&param->sincr, &sasize)){RETURN(819);}
 	if(req && (param->statscli64 || param->statssrv64)){
 		(*param->srv->logfunc)(param, (unsigned char *)req);
 	}
@@ -304,8 +307,8 @@ CLEANRET:
 	so._shutdown(clidatasock, SHUT_RDWR);
 	so._closesocket(clidatasock);
  }
- sasize = sizeof(struct sockaddr_in);
- so._getpeername(param->ctrlsock, (struct sockaddr *)&param->sinc, &sasize);
+ sasize = sizeof(param->sincr);
+ so._getpeername(param->ctrlsock, (struct sockaddr *)&param->sincr, &sasize);
  if(param->res != 0 || param->statscli64 || param->statssrv64 ){
 	(*param->srv->logfunc)(param, (unsigned char *)((req && (param->res > 802))? req:NULL));
  }
diff --git a/src/icqpr.c b/src/icqpr.c
index 0cde9c0..04abaf6 100644
--- a/src/icqpr.c
+++ b/src/icqpr.c
@@ -105,7 +105,7 @@ static void addbuffer(int increment, struct clientparam * param, unsigned char *
 		*buf_p = newbuf;
 		*bufsize_p = bufsize;
 	}
-	if(increment) len = sockrecvfrom(param->remsock, &param->sins, *buf_p + *length_p, increment, conf.timeouts[STRING_S]*1000);
+	if(increment) len = sockrecvfrom(param->remsock, (struct sockaddr *)&param->sins, *buf_p + *length_p, increment, conf.timeouts[STRING_S]*1000);
 	if(len > 0) {
 		*length_p += len;
 		param->nreads++;
diff --git a/src/proxy.c b/src/proxy.c
index 6a1a594..7d0f9d3 100644
--- a/src/proxy.c
+++ b/src/proxy.c
@@ -831,14 +831,12 @@ for(;;){
 		sprintf((char*)buf+strlen((char *)buf), "Via: 1.1 ");
 		gethostname((char *)(buf+strlen((char *)buf)), 256);
 		sprintf((char*)buf+strlen((char *)buf), ":%d (%s %s)\r\nX-Forwarded-For: ", (int)ntohs(*SAPORT(&param->srv->intsa)), conf.stringtable?conf.stringtable[2]:(unsigned char *)"", conf.stringtable?conf.stringtable[3]:(unsigned char *)"");
-		if(!anonymous)myinet_ntop(*SAFAMILY(&param->sinc), SAADDR(&param->sinc), (char *)buf + strlen((char *)buf), 64);
+		if(!anonymous)myinet_ntop(*SAFAMILY(&param->sincr), SAADDR(&param->sincr), (char *)buf + strlen((char *)buf), 64);
 		else {
 			unsigned long tmp;
 
-			tmp = param->sinc.sin_addr.s_addr;
-			param->sinc.sin_addr.s_addr = ((unsigned long)myrand(param, sizeof(struct clientparam))<<16)^(unsigned long)rand();
-			myinet_ntop(*SAFAMILY(&param->sinc), SAADDR(&param->sinc), (char *)buf + strlen((char *)buf), 64);
-			param->sinc.sin_addr.s_addr = tmp;
+			tmp = ((unsigned long)myrand(param, sizeof(struct clientparam))<<16)^(unsigned long)rand();
+			myinet_ntop(AF_INET, &tmp, (char *)buf + strlen((char *)buf), 64);
 		}
 		sprintf((char*)buf+strlen((char *)buf), "\r\n");
  }
diff --git a/src/proxy.h b/src/proxy.h
index d539087..873b977 100644
--- a/src/proxy.h
+++ b/src/proxy.h
@@ -148,8 +148,8 @@ extern struct extparam conf;
 
 int sockmap(struct clientparam * param, int timeo);
 int socksend(SOCKET sock, unsigned char * buf, int bufsize, int to);
-int socksendto(SOCKET sock, struct sockaddr_in * sin, unsigned char * buf, int bufsize, int to);
-int sockrecvfrom(SOCKET sock, struct sockaddr_in * sin, unsigned char * buf, int bufsize, int to);
+int socksendto(SOCKET sock, struct sockaddr * sin, unsigned char * buf, int bufsize, int to);
+int sockrecvfrom(SOCKET sock, struct sockaddr * sin, unsigned char * buf, int bufsize, int to);
 
 
 int sockgetcharcli(struct clientparam * param, int timeosec, int timeousec);
diff --git a/src/proxymain.c b/src/proxymain.c
index a2df6a6..cae0081 100644
--- a/src/proxymain.c
+++ b/src/proxymain.c
@@ -190,9 +190,9 @@ int MODULEMAINFUNC (int argc, char** argv){
 #ifdef STDMAIN
 #ifndef _WIN32
 		 case 'I':
-			size = sizeof(defparam.sinc);
-			if(so._getsockname(0, (struct sockaddr*)&defparam.sinc, &size) ||
-				defparam.sinc.sin_family != AF_INET) error = 1;
+			size = sizeof(defparam.sincl);
+			if(so._getsockname(0, (struct sockaddr*)&defparam.sincl, &size) ||
+				defparam.sincl.sin_family != AF_INET) error = 1;
 
 			else inetd = 1;
 			break;
@@ -311,8 +311,8 @@ int MODULEMAINFUNC (int argc, char** argv){
 
  
  srvinit2(&srv, &defparam);
+ if(!*SAFAMILY(&srv.intsa)) *SAFAMILY(&srv.intsa) = AF_INET;
  if(!*SAPORT(&srv.intsa)) *SAPORT(&srv.intsa) = htons(childdef.port);
- if(!defparam.sinc.sin_port) defparam.sinc.sin_port = htons(childdef.port);
  if(hostname)parsehostname(hostname, &defparam, childdef.port);
 
 
@@ -374,9 +374,11 @@ int MODULEMAINFUNC (int argc, char** argv){
 	sprintf((char *)buf, "Accepting connections [%u/%u]", (unsigned)getpid(), (unsigned)pthread_self());
 	(*srv.logfunc)(&defparam, buf);
  }
- memset(&defparam.sinc, 0, sizeof(defparam.sinc));
+ memset(&defparam.sincr, 0, sizeof(defparam.sincr));
+ memset(&defparam.sincl, 0, sizeof(defparam.sincl));
  memset(&defparam.sins, 0, sizeof(defparam.sins));
- *SAFAMILY(&defparam.sinc) = AF_INET;
+ *SAFAMILY(&defparam.sincr) = AF_INET;
+ *SAFAMILY(&defparam.sincl) = AF_INET;
  *SAFAMILY(&defparam.sins) = AF_INET;
 
  srv.fds.fd = sock;
@@ -413,13 +415,19 @@ int MODULEMAINFUNC (int argc, char** argv){
 	}
 	if((conf.paused != srv.version) || (error < 0)) break;
 	if(!isudp){
-		size = sizeof(defparam.sinc);
-		new_sock = so._accept(sock, (struct sockaddr*)&defparam.sinc, &size);
+		size = sizeof(defparam.sincr);
+		new_sock = so._accept(sock, (struct sockaddr*)&defparam.sincr, &size);
 		if(new_sock == INVALID_SOCKET){
 			sprintf((char *)buf, "accept(): %s", strerror(errno));
 			if(!srv.silent)(*srv.logfunc)(&defparam, buf);
 			continue;
 		}
+		size = sizeof(defparam.sincl);
+		if(so._getsockname(new_sock, (struct sockaddr *)&defparam.sincl, &size)){
+			sprintf((char *)buf, "getsockname(): %s", strerror(errno));
+			if(!srv.silent)(*srv.logfunc)(&defparam, buf);
+			continue;
+		}
 #ifdef _WIN32
 		ioctlsocket(new_sock, FIONBIO, &ul);
 #else
@@ -482,7 +490,8 @@ int MODULEMAINFUNC (int argc, char** argv){
 	}
 #endif
 	pthread_mutex_unlock(&srv.counter_mutex);
-	memset(&defparam.sinc, 0, sizeof(defparam.sinc));
+	memset(&defparam.sincl, 0, sizeof(defparam.sincl));
+	memset(&defparam.sincr, 0, sizeof(defparam.sincr));
 	if(isudp) while(!srv.fds.events)usleep(SLEEPTIME);
  }
 
@@ -519,7 +528,7 @@ void srvinit(struct srvparam * srv, struct clientparam *param){
  memset(param, 0, sizeof(struct clientparam));
  param->srv = srv;
  param->remsock = param->clisock = param->ctrlsock = param->ctrlsocksrv = INVALID_SOCKET;
- param->req.sin_family = param->sins.sin_family = param->sinc.sin_family = AF_INET;
+ *SAFAMILY(&param->req) = *SAFAMILY(&param->sins) = *SAFAMILY(&param->sincr) = *SAFAMILY(&param->sincl) = AF_INET;
  pthread_mutex_init(&srv->counter_mutex, NULL);
  memcpy(&srv->intsa, &conf.intsa, sizeof(srv->intsa));
 }
@@ -538,8 +547,7 @@ void srvinit2(struct srvparam * srv, struct clientparam *param){
  }
  if(srv->logtarget) srv->logtarget = (unsigned char *)mystrdup((char *)srv->logtarget);
  if(!*SAFAMILY(&srv->intsa)) *SAFAMILY(&srv->intsa) = AF_INET;
- param->sinc.sin_addr.s_addr = ((struct sockaddr_in *)&srv->intsa)->sin_addr.s_addr;
- param->sinc.sin_port = *SAPORT(&srv->intsa);
+ memcpy(&param->sincr, &srv->intsa, sizeof(param->sincr));
  if(!srv->extip) srv->extip = conf.extip;
  param->sins.sin_addr.s_addr = param->extip = srv->extip;
  if(!srv->extport) srv->extport = htons(conf.extport);
diff --git a/src/smtpp.c b/src/smtpp.c
index 8c17e73..9246117 100644
--- a/src/smtpp.c
+++ b/src/smtpp.c
@@ -83,7 +83,7 @@ int readdata (struct clientparam* param) {
 		return -1;
 	}
 #endif
-	socksendto(param->remsock, &param->sins, buf, i, conf.timeouts[STRING_S]);	
+	socksendto(param->remsock, (struct sockaddr *)&param->sins, buf, i, conf.timeouts[STRING_S]);	
  } 
  if(i < 1) {
 	myfree(buf);
diff --git a/src/sockgetchar.c b/src/sockgetchar.c
index 0041fdf..1000d2c 100644
--- a/src/sockgetchar.c
+++ b/src/sockgetchar.c
@@ -33,7 +33,7 @@ int socksend(SOCKET sock, unsigned char * buf, int bufsize, int to){
 }
 
 
-int socksendto(SOCKET sock, struct sockaddr_in * sin, unsigned char * buf, int bufsize, int to){
+int socksendto(SOCKET sock, struct sockaddr * sin, unsigned char * buf, int bufsize, int to){
  int sent = 0;
  int res;
  struct pollfd fds;
@@ -45,7 +45,7 @@ int socksendto(SOCKET sock, struct sockaddr_in * sin, unsigned char * buf, int b
  	res = so._poll(&fds, 1, to);
 	if(res < 0 && (errno == EAGAIN || errno == EINTR)) continue;
 	if(res < 1) break;
-	res = so._sendto(sock, buf + sent, bufsize - sent, 0,  (struct sockaddr *)sin, sizeof(struct sockaddr_in));
+	res = so._sendto(sock, buf + sent, bufsize - sent, 0, sin, SASIZE(sin));
 	if(res < 0) {
 		if(errno !=  EAGAIN) break;
 		continue;
@@ -55,7 +55,7 @@ int socksendto(SOCKET sock, struct sockaddr_in * sin, unsigned char * buf, int b
  return sent;
 }
 
-int sockrecvfrom(SOCKET sock, struct sockaddr_in * sin, unsigned char * buf, int bufsize, int to){
+int sockrecvfrom(SOCKET sock, struct sockaddr * sin, unsigned char * buf, int bufsize, int to){
 	struct pollfd fds;
 	SASIZETYPE sasize;
 	int res;
@@ -64,7 +64,7 @@ int sockrecvfrom(SOCKET sock, struct sockaddr_in * sin, unsigned char * buf, int
 	fds.events = POLLIN;
 	if(conf.timetoexit) return EOF;
 	if (so._poll(&fds, 1, to)<1) return 0;
-	sasize = sizeof(struct sockaddr_in);
+	sasize = SASIZE(sin);
 	do {
 		res = so._recvfrom(sock, buf, bufsize, 0, (struct sockaddr *)sin, &sasize);
 	} while (res < 0 && (errno == EAGAIN || errno == EINTR));
@@ -83,7 +83,7 @@ int sockgetcharcli(struct clientparam * param, int timeosec, int timeousec){
 		return (int)param->clibuf[param->clioffset++];
 	}
 	param->clioffset = param->cliinbuf = 0;
-	if ((len = sockrecvfrom(param->clisock, &param->sinc, param->clibuf, param->clibufsize, timeosec*1000 + timeousec))<=0) return EOF;
+	if ((len = sockrecvfrom(param->clisock, (struct sockaddr *)&param->sincr, param->clibuf, param->clibufsize, timeosec*1000 + timeousec))<=0) return EOF;
 	param->cliinbuf = len;
 	param->clioffset = 1;
 	return (int)*param->clibuf;
@@ -103,7 +103,7 @@ int sockfillbuffcli(struct clientparam * param, unsigned long size, int timeosec
 	}
 	if(size <= param->cliinbuf) return size;
 	size -= param->cliinbuf;
-	if((len = sockrecvfrom(param->clisock, &param->sinc, param->clibuf + param->cliinbuf, (param->clibufsize - param->cliinbuf) < size? param->clibufsize - param->cliinbuf:size, timeosec*1000)) > 0){
+	if((len = sockrecvfrom(param->clisock, (struct sockaddr *)&param->sincr, param->clibuf + param->cliinbuf, (param->clibufsize - param->cliinbuf) < size? param->clibufsize - param->cliinbuf:size, timeosec*1000)) > 0){
 		param->cliinbuf += len;
 	}
 	return param->cliinbuf;
@@ -123,7 +123,7 @@ int sockfillbuffsrv(struct clientparam * param, unsigned long size, int timeosec
 	}
 	if(size <= param->srvinbuf) return size;
 	size -= param->srvinbuf;
-	if((len = sockrecvfrom(param->remsock, &param->sinc, param->srvbuf + param->srvinbuf, (param->srvbufsize - param->srvinbuf) < size? param->srvbufsize - param->srvinbuf:size, timeosec*1000)) > 0){
+	if((len = sockrecvfrom(param->remsock, (struct sockaddr *)&param->sins, param->srvbuf + param->srvinbuf, (param->srvbufsize - param->srvinbuf) < size? param->srvbufsize - param->srvinbuf:size, timeosec*1000)) > 0){
 		param->srvinbuf += len;
 		param->nreads++;
 		param->statssrv64 += len;
@@ -148,7 +148,7 @@ int sockgetcharsrv(struct clientparam * param, int timeosec, int timeousec){
 		return (int)param->srvbuf[param->srvoffset++];
 	}
 	param->srvoffset = param->srvinbuf = 0;
-	if ((len = sockrecvfrom(param->remsock, &param->sins, param->srvbuf, param->srvbufsize, timeosec*1000 + timeousec))<=0) return EOF;
+	if ((len = sockrecvfrom(param->remsock, (struct sockaddr *)&param->sins, param->srvbuf, param->srvbufsize, timeosec*1000 + timeousec))<=0) return EOF;
 	param->srvinbuf = len;
 	param->srvoffset = 1;
 	param->nreads++;
diff --git a/src/sockmap.c b/src/sockmap.c
index d2a2eca..24fe342 100644
--- a/src/sockmap.c
+++ b/src/sockmap.c
@@ -128,7 +128,7 @@ int sockmap(struct clientparam * param, int timeo){
 		if(param->bandlimfunc) {
 			sleeptime = (*param->bandlimfunc)(param, param->srvinbuf - param->srvoffset, 0);
 		}
-		res = so._sendto(param->clisock, param->srvbuf + param->srvoffset,(!param->waitserver64 || (param->waitserver64 - received) > (param->srvinbuf - param->srvoffset))? param->srvinbuf - param->srvoffset : (int)(param->waitserver64 - received), 0, (struct sockaddr*)&param->sinc, sasize);
+		res = so._sendto(param->clisock, param->srvbuf + param->srvoffset,(!param->waitserver64 || (param->waitserver64 - received) > (param->srvinbuf - param->srvoffset))? param->srvinbuf - param->srvoffset : (int)(param->waitserver64 - received), 0, (struct sockaddr*)&param->sincr, sasize);
 		if(res < 0) {
 			if(errno != EAGAIN) return 96;
 			continue;
@@ -171,7 +171,7 @@ int sockmap(struct clientparam * param, int timeo){
 #if DEBUGLEVEL > 2
 (*param->srv->logfunc)(param, "recv from client");
 #endif
-		res = so._recvfrom(param->clisock, param->clibuf + param->cliinbuf, param->clibufsize - param->cliinbuf, 0, (struct sockaddr *)&param->sinc, &sasize);
+		res = so._recvfrom(param->clisock, param->clibuf + param->cliinbuf, param->clibufsize - param->cliinbuf, 0, (struct sockaddr *)&param->sincr, &sasize);
 		if (res==0) {
 			so._shutdown(param->clisock, SHUT_RDWR);
 			so._closesocket(param->clisock);
@@ -241,7 +241,7 @@ int sockmap(struct clientparam * param, int timeo){
 #if DEBUGLEVEL > 2
 (*param->srv->logfunc)(param, "flushing buffer to client");
 #endif
-	res = socksendto(param->clisock, &param->sinc, param->srvbuf + param->srvoffset, param->srvinbuf - param->srvoffset, conf.timeouts[STRING_S] * 1000);
+	res = socksendto(param->clisock, (struct sockaddr *)&param->sincr, param->srvbuf + param->srvoffset, param->srvinbuf - param->srvoffset, conf.timeouts[STRING_S] * 1000);
 	if(res > 0){
 		param->srvoffset += res;
 		param->statssrv64 += res;
@@ -253,7 +253,7 @@ int sockmap(struct clientparam * param, int timeo){
 #if DEBUGLEVEL > 2
 (*param->srv->logfunc)(param, "flushing buffer to server");
 #endif
-	res = socksendto(param->remsock, &param->sins, param->clibuf + param->clioffset, param->cliinbuf - param->clioffset, conf.timeouts[STRING_S] * 1000);
+	res = socksendto(param->remsock, (struct sockaddr *)&param->sins, param->clibuf + param->clioffset, param->cliinbuf - param->clioffset, conf.timeouts[STRING_S] * 1000);
 	if(res > 0){
 		param->clioffset += res;
 		param->statscli64 += res;
diff --git a/src/socks.c b/src/socks.c
index 9d980c5..6cdff57 100644
--- a/src/socks.c
+++ b/src/socks.c
@@ -28,7 +28,11 @@ void * sockschild(struct clientparam* param) {
  struct pollfd fds[3];
  int ver=0;
  int havepass = 0;
+#ifndef NOIPV6
+ struct sockaddr_in6 sin;
+#else
  struct sockaddr_in sin;
+#endif
  int len;
 
 
@@ -171,20 +175,18 @@ fprintf(stderr, "%s:%hu binded to communicate with server\n",
 fflush(stderr);
 #endif
 	}
-	sasize = sizeof(struct sockaddr_in);
+	sasize = sizeof(param->sins);
 	so._getsockname(param->remsock, (struct sockaddr *)&param->sins,  &sasize);
 	if(command == 3) {
 		param->ctrlsock = param->clisock;
-		param->clisock = so._socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+		param->clisock = so._socket(SASOCK(&param->sincr), SOCK_DGRAM, IPPROTO_UDP);
 		if(param->clisock == INVALID_SOCKET) {RETURN(11);}
-		sin.sin_family = AF_INET;
-		sin.sin_addr.s_addr = ((struct sockaddr_in *)&param->srv->intsa)->sin_addr.s_addr;
-		sin.sin_port = htons(0);
-		if(so._bind(param->clisock,(struct sockaddr *)&sin,sizeof(struct sockaddr_in))) {RETURN (12);}
+		memcpy(&sin, &param->sincl, sizeof(&sin));
+		*SAPORT(&sin) = htons(0);
+		if(so._bind(param->clisock,(struct sockaddr *)&sin,sizeof(sin))) {RETURN (12);}
 #if SOCKSTRACE > 0
-fprintf(stderr, "%s:%hu binded to communicate with client\n",
-			inet_ntoa(sin.sin_addr),
-			ntohs(sin.sin_port)
+fprintf(stderr, "%hu binded to communicate with client\n",
+			ntohs(*SAPORT(&sin))
 	);
 fflush(stderr);
 #endif
@@ -195,7 +197,7 @@ fflush(stderr);
 CLEANRET:
 
  if(param->clisock != INVALID_SOCKET){
-	sasize = sizeof(struct sockaddr_in);
+	sasize = sizeof(sin);
 	if(command != 3) so._getsockname(param->remsock, (struct sockaddr *)&sin,  &sasize);
 	else so._getsockname(param->clisock, (struct sockaddr *)&sin,  &sasize);
 #if SOCKSTRACE > 0
@@ -212,15 +214,15 @@ fflush(stderr);
 		buf[1] = param->res%10;
 		buf[2] = 0;
 		buf[3] = 1;
-		memcpy(buf+4, &sin.sin_addr.s_addr, 4);
-		memcpy(buf+8, &sin.sin_port, 2);
+		memcpy(buf+4, SAADDR(&sin), 4);
+		memcpy(buf+8, SAPORT(&sin), 2);
 		socksend((command == 3)?param->ctrlsock:param->clisock, buf, 10, conf.timeouts[STRING_S]);
 	}
 	else{
 		buf[0] = 0;
 		buf[1] = 90 + (param->res%10);
-		memcpy(buf+2, &sin.sin_port, 2);
-		memcpy(buf+4, &sin.sin_addr.s_addr, 4);
+		memcpy(buf+2, SAPORT(&sin), 2);
+		memcpy(buf+4, SAADDR(&sin), 4);
 		socksend(param->clisock, buf, 8, conf.timeouts[STRING_S]);
 	}
 
@@ -300,12 +302,12 @@ fflush(stderr);
 						break;
 					}
 					if (fds[1].revents) {
-						sasize = sizeof(struct sockaddr_in);
+						sasize = sizeof(sin);
 						if((len = so._recvfrom(param->clisock, buf, 65535, 0, (struct sockaddr *)&sin, &sasize)) <= 10) {
 							param->res = 464;
 							break;
 						}
-						if(sin.sin_addr.s_addr != param->sinc.sin_addr.s_addr){
+						if(SAADDRLEN(&sin) != SAADDRLEN(&param->sincr) || memcmp(SAADDR(&sin), SAADDR(&param->sincr), SAADDRLEN(&sin))){
 							param->res = 465;
 							break;
 						}
@@ -335,7 +337,7 @@ fflush(stderr);
 
 						sasize = sizeof(param->sins);
 						if(len > (int)i){
-							if(socksendto(param->remsock, &param->sins, buf+i, len - i, conf.timeouts[SINGLEBYTE_L]*1000) <= 0){
+							if(socksendto(param->remsock, (struct sockaddr *)&param->sins, buf+i, len - i, conf.timeouts[SINGLEBYTE_L]*1000) <= 0){
 								param->res = 467;
 								break;
 							}
@@ -371,7 +373,7 @@ fflush(stderr);
 						memcpy(buf+4, &tsin.sin_addr.s_addr, 4);
 						memcpy(buf+8, &tsin.sin_port, 2);
 						sasize = sizeof(param->sins);
-						if(socksendto(param->clisock, &sin, buf, len + 10, conf.timeouts[SINGLEBYTE_L]*1000) <=0){
+						if(socksendto(param->clisock, (struct sockaddr *)&sin, buf, len + 10, conf.timeouts[SINGLEBYTE_L]*1000) <=0){
 							param->res = 469;
 							break;
 						}
diff --git a/src/structures.h b/src/structures.h
index dc1c085..c44efd2 100644
--- a/src/structures.h
+++ b/src/structures.h
@@ -109,11 +109,13 @@ int
 #define SAADDR(sa)  (((struct sockaddr_in *)sa)->sin_family == AF_INET6? (unsigned char *)((struct sockaddr_in6 *)sa)->sin6_addr.s6_addr : (unsigned char *)&((struct sockaddr_in *)sa)->sin_addr.s_addr)
 #define SAADDRLEN(sa) (((struct sockaddr_in *)sa)->sin_family == AF_INET6? 16:4)
 #define SASOCK(sa) (((struct sockaddr_in *)sa)->sin_family == AF_INET6? PF_INET6:PF_INET)
+#define SASIZE(sa) (((struct sockaddr_in *)sa)->sin_family == AF_INET6? sizeof(struct sockaddr_in6):sizeof(struct sockaddr_in))
 #else
 #define SAPORT(sa)  (&((struct sockaddr_in *)sa)->sin_port)
 #define SAADDR(sa)  ((unsigned char *)&((struct sockaddr_in *)sa)->sin_addr.a_addr)
 #define SAADDRLEN(sa) (4)
 #define SASOCK(sa) (PF_INET)
+#define SASIZE(sa) (sizeof(struct sockaddr_in))
 #endif
 
 typedef enum {
@@ -431,8 +433,12 @@ struct clientparam {
 	uint64_t
 			maxtrafin64,
 			maxtrafout64;
-	struct sockaddr_in	sinc,
-				sins,
+#ifndef NOIPV6
+	struct sockaddr_in6	sincl, sincr;
+#else
+	struct sockaddr_in	sincl, sincr;
+#endif
+	struct sockaddr_in	sins,
 				req;
 
 	uint64_t	statscli64,
@@ -620,8 +626,8 @@ struct pluginlink {
 	struct commands * commandhandlers;
 	void * (*findbyname)(const char *name);
 	int (*socksend)(SOCKET sock, unsigned char * buf, int bufsize, int to);
-	int (*socksendto)(SOCKET sock, struct sockaddr_in * sin, unsigned char * buf, int bufsize, int to);
-	int (*sockrecvfrom)(SOCKET sock, struct sockaddr_in * sin, unsigned char * buf, int bufsize, int to);
+	int (*socksendto)(SOCKET sock, struct sockaddr * sin, unsigned char * buf, int bufsize, int to);
+	int (*sockrecvfrom)(SOCKET sock, struct sockaddr * sin, unsigned char * buf, int bufsize, int to);
 	int (*sockgetcharcli)(struct clientparam * param, int timeosec, int timeousec);
 	int (*sockgetcharsrv)(struct clientparam * param, int timeosec, int timeousec);
 	int (*sockgetlinebuf)(struct clientparam * param, DIRECTION which, unsigned char * buf, int bufsize, int delim, int to);
diff --git a/src/udppm.c b/src/udppm.c
index 62dc9c8..e746540 100644
--- a/src/udppm.c
+++ b/src/udppm.c
@@ -49,7 +49,7 @@ void * udppmchild(struct clientparam* param) {
 	RETURN (21);
  }
  param->cliinbuf = param->clioffset = 0;
- i = sockrecvfrom(param->srv->srvsock, &param->sinc, param->clibuf, param->clibufsize, 0);
+ i = sockrecvfrom(param->srv->srvsock, (struct sockaddr *)&param->sincr, param->clibuf, param->clibufsize, 0);
  if(i<=0){
 	param->srv->fds.events = POLLIN;
 	RETURN (214);
@@ -57,12 +57,12 @@ void * udppmchild(struct clientparam* param) {
  param->cliinbuf = i;
 
 #ifdef _WIN32
-	if((param->clisock=so._socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) == INVALID_SOCKET) {
+	if((param->clisock=so._socket(*SAFAMILY(&param->sincr), SOCK_DGRAM, IPPROTO_UDP)) == INVALID_SOCKET) {
 		RETURN(818);
 	}
 	if(so._setsockopt(param->clisock, SOL_SOCKET, SO_REUSEADDR, (unsigned char *)&ul, sizeof(int))) {RETURN(820);};
 	ioctlsocket(param->clisock, FIONBIO, &ul);
-	size = sizeof(struct sockaddr_in);
+	size = sizeof(param->sins);
 	if(so._getsockname(param->srv->srvsock, (struct sockaddr *)&param->sins, &size)) {RETURN(21);};
 	if(so._bind(param->clisock,(struct sockaddr *)&param->sins,sizeof(struct sockaddr_in))) {
 		RETURN(822);