--- proxy-suite-1.9/ftp-proxy/ftp-client.c
+++ proxy-suite-1.9/ftp-proxy/ftp-client.c	Fri Jul 19 03:58:24 2002
@@ -64,6 +64,7 @@
 #include <netinet/in.h>
 #include <sys/socket.h>
 #include <arpa/inet.h>
+#include <net/if.h>
 
 #include "com-config.h"
 #include "com-debug.h"
@@ -1171,6 +1172,7 @@
 	struct sockaddr_in saddr;
 	u_int16_t          lprt, lowrng, res;
 	int                sock, incr, retry;
+	char              *ifptr;
 
 	/*
 	** should we bind a rand(port-range) or increment?
@@ -1198,6 +1200,26 @@
 		}
 		socket_opts(sock, SK_CONTROL);
 
+#if defined(SO_BINDTODEVICE)
+		ifptr = config_str(NULL, "DestinationInterface", NULL);
+		if(NULL != ifptr && ifptr[0]) {
+			char ifname[IFNAMSIZ] = {'\0'};
+
+			misc_strncpy(ifname, ifptr, sizeof(ifname));
+			if(0 == setsockopt(sock, SOL_SOCKET, SO_BINDTODEVICE,
+			                   ifname, sizeof(ifname)))
+			{
+				syslog_write(T_DBG,
+				             "Srv-Ctrl: socket bound to '%s'",
+				             ifname);
+			} else {
+				syslog_write(T_WRN,
+				             "Srv-Ctrl: can't boind to '%s'",
+				             ifname);
+			}
+		}
+#endif
+
 		/*
 		** check if we have to take care to a port range
 		*/