Index: src/options.c
===================================================================
--- src/options.c.orig
+++ src/options.c
@@ -1535,6 +1535,25 @@ static char *parse_service_option(CMD cm
         break;
     }
 
+    /* listenqueue */
+    switch(cmd) {
+    case CMD_INIT:
+        section->listenqueue=SOMAXCONN;
+        break;
+    case CMD_EXEC:
+        if(strcasecmp(opt, "listenqueue"))
+            break;
+        section->listenqueue=atoi(arg);
+        return (section->listenqueue?NULL:"Bad verify level");
+    case CMD_DEFAULT:
+        s_log(LOG_NOTICE, "%-15s = %d", "listenqueue", SOMAXCONN);
+        break;
+    case CMD_HELP:
+        s_log(LOG_NOTICE, "%-15s = defines the maximum length the queue of pending onnections may grow to (max SOMAXCONN)", "listenqueue");
+        break;
+    }
+
+
     if(cmd==CMD_EXEC)
         return option_not_found;
     return NULL; /* OK */
Index: src/prototypes.h
===================================================================
--- src/prototypes.h.orig
+++ src/prototypes.h
@@ -170,6 +170,7 @@ typedef struct service_options_struct {
     int timeout_close;                          /* maximum close_notify time */
     int timeout_connect;                           /* maximum connect() time */
     int timeout_idle;                        /* maximum idle connection time */
+    int listenqueue; /* Listen backlog */
     enum {FAILOVER_RR, FAILOVER_PRIO} failover;         /* failover strategy */
 
         /* service-specific data for protocol.c */
Index: src/stunnel.c
===================================================================
--- src/stunnel.c.orig
+++ src/stunnel.c
@@ -330,7 +330,7 @@ int bind_ports(void) {
             s_log(LOG_DEBUG, "Service %s bound to %s",
                 opt->servname, local_address);
             str_free(local_address);
-            if(listen(opt->fd, SOMAXCONN)) {
+            if(listen(opt->fd, opt->listenqueue)) {
                 sockerror("listen");
                 closesocket(opt->fd);
                 return 1;