diff --git a/microscript/ILibDuktape_net.c b/microscript/ILibDuktape_net.c
index a8685a8..262549e 100644
--- a/microscript/ILibDuktape_net.c
+++ b/microscript/ILibDuktape_net.c
@@ -1115,9 +1115,11 @@ duk_ret_t ILibDuktape_net_server_listen(duk_context *ctx)
 		if (ipcLen > sizeof(ipcaddr.sun_path)) { return(ILibDuktape_Error(ctx, "Path too long")); }
 		ipcaddr.sun_family = AF_UNIX;
 		strcpy_s((char*)(ipcaddr.sun_path), sizeof(ipcaddr.sun_path), ipc);
-		server->server = ILibCreateAsyncServerSocketModuleWithMemoryEx(Duktape_GetChain(ctx), maxConnections, initalBufferSize, (struct sockaddr*)&ipcaddr,
+		int ipcmod = Duktape_GetBooleanProperty(ctx, 0, "writableAll", 0) == 0 ? 0 : 0777;
+		
+		server->server = ILibCreateAsyncServerSocketModuleWithMemoryExMOD(Duktape_GetChain(ctx), maxConnections, initalBufferSize, (struct sockaddr*)&ipcaddr,
 			ILibDuktape_net_server_OnConnect, ILibDuktape_net_server_OnDisconnect, ILibDuktape_net_server_OnReceive,
-			ILibDuktape_net_server_OnInterrupt, ILibDuktape_net_server_OnSendOK, sizeof(void*), sizeof(void*));
+			ILibDuktape_net_server_OnInterrupt, ILibDuktape_net_server_OnSendOK, ipcmod, sizeof(void*), sizeof(void*));
 #elif defined(WIN32)
 		// IPC on Windows Implemented as Named Pipe
 
diff --git a/microstack/ILibAsyncServerSocket.c b/microstack/ILibAsyncServerSocket.c
index 8fe7469..c4540b4 100644
--- a/microstack/ILibAsyncServerSocket.c
+++ b/microstack/ILibAsyncServerSocket.c
@@ -34,6 +34,7 @@ limitations under the License.
 #ifdef _POSIX
 #include <sys/socket.h>
 #include <sys/un.h>
+#include <sys/stat.h>
 #endif
 
 #define DEBUGSTATEMENT(x)
@@ -617,7 +618,7 @@ ILibAsyncServerSocket_ServerModule ILibCreateAsyncServerSocketModuleWithMemory(v
 
 	return(ILibCreateAsyncServerSocketModuleWithMemoryEx(Chain, MaxConnections, initialBufferSize, (struct sockaddr*)&localif, OnConnect, OnDisconnect, OnReceive, OnInterrupt, OnSendOK, ServerUserMappedMemorySize, SessionUserMappedMemorySize));
 }
-ILibAsyncServerSocket_ServerModule ILibCreateAsyncServerSocketModuleWithMemoryEx(void *Chain, int MaxConnections, int initialBufferSize, struct sockaddr *local, ILibAsyncServerSocket_OnConnect OnConnect, ILibAsyncServerSocket_OnDisconnect OnDisconnect, ILibAsyncServerSocket_OnReceive OnReceive, ILibAsyncServerSocket_OnInterrupt OnInterrupt, ILibAsyncServerSocket_OnSendOK OnSendOK, int ServerUserMappedMemorySize, int SessionUserMappedMemorySize)
+ILibAsyncServerSocket_ServerModule ILibCreateAsyncServerSocketModuleWithMemoryExMOD(void *Chain, int MaxConnections, int initialBufferSize, struct sockaddr *local, ILibAsyncServerSocket_OnConnect OnConnect, ILibAsyncServerSocket_OnDisconnect OnDisconnect, ILibAsyncServerSocket_OnReceive OnReceive, ILibAsyncServerSocket_OnInterrupt OnInterrupt, ILibAsyncServerSocket_OnSendOK OnSendOK, int mod, int ServerUserMappedMemorySize, int SessionUserMappedMemorySize)
 {
 	int i;
 	int ra = 1;
@@ -683,6 +684,10 @@ ILibAsyncServerSocket_ServerModule ILibCreateAsyncServerSocketModuleWithMemoryEx
 	if (local->sa_family == AF_UNIX)
 	{
 		if (bind(RetVal->ListenSocket, local, SUN_LEN((struct sockaddr_un*)local)) != 0) { close(RetVal->ListenSocket); free(RetVal->AsyncSockets); free(RetVal); return 0; }
+		if (mod != 0)
+		{
+			chmod(((struct sockaddr_un*)local)->sun_path, (mode_t)mod);
+		}
 	}
 	else
 	{
diff --git a/microstack/ILibAsyncServerSocket.h b/microstack/ILibAsyncServerSocket.h
index 1d0f3a3..c6c0a38 100644
--- a/microstack/ILibAsyncServerSocket.h
+++ b/microstack/ILibAsyncServerSocket.h
@@ -114,8 +114,8 @@ extern const int ILibMemory_ASYNCSERVERSOCKET_CONTAINERSIZE;
 
 #define ILibCreateAsyncServerSocketModule(Chain, MaxConnections, PortNumber, initialBufferSize, loopbackFlag, OnConnect, OnDisconnect, OnReceive, OnInterrupt, OnSendOK) ILibCreateAsyncServerSocketModuleWithMemory(Chain, MaxConnections, PortNumber, initialBufferSize, loopbackFlag, OnConnect, OnDisconnect, OnReceive, OnInterrupt, OnSendOK, 0, 0)
 ILibAsyncServerSocket_ServerModule ILibCreateAsyncServerSocketModuleWithMemory(void *Chain, int MaxConnections, unsigned short PortNumber, int initialBufferSize, int loopbackFlag, ILibAsyncServerSocket_OnConnect OnConnect, ILibAsyncServerSocket_OnDisconnect OnDisconnect, ILibAsyncServerSocket_OnReceive OnReceive, ILibAsyncServerSocket_OnInterrupt OnInterrupt, ILibAsyncServerSocket_OnSendOK OnSendOK, int ServerUserMappedMemorySize, int SessionUserMappedMemorySize);
-ILibAsyncServerSocket_ServerModule ILibCreateAsyncServerSocketModuleWithMemoryEx(void *Chain, int MaxConnections, int initialBufferSize, struct sockaddr* local, ILibAsyncServerSocket_OnConnect OnConnect, ILibAsyncServerSocket_OnDisconnect OnDisconnect, ILibAsyncServerSocket_OnReceive OnReceive, ILibAsyncServerSocket_OnInterrupt OnInterrupt, ILibAsyncServerSocket_OnSendOK OnSendOK, int ServerUserMappedMemorySize, int SessionUserMappedMemorySize);
-
+ILibAsyncServerSocket_ServerModule ILibCreateAsyncServerSocketModuleWithMemoryExMOD(void *Chain, int MaxConnections, int initialBufferSize, struct sockaddr* local, ILibAsyncServerSocket_OnConnect OnConnect, ILibAsyncServerSocket_OnDisconnect OnDisconnect, ILibAsyncServerSocket_OnReceive OnReceive, ILibAsyncServerSocket_OnInterrupt OnInterrupt, ILibAsyncServerSocket_OnSendOK OnSendOK, int mod, int ServerUserMappedMemorySize, int SessionUserMappedMemorySize);
+#define ILibCreateAsyncServerSocketModuleWithMemoryEx(Chain, MaxConnections, initialBufferSize, local, OnConnect, OnDisconnect, OnReceive, OnInterrupt, OnSendOK, ServerUserMappedMemorySize, SessionUserMappedMemorySize) ILibCreateAsyncServerSocketModuleWithMemoryExMOD(Chain, MaxConnections, initialBufferSize, local, OnConnect, OnDisconnect, OnReceive, OnInterrupt, OnSendOK, 0, ServerUserMappedMemorySize, SessionUserMappedMemorySize)
 
 void *ILibAsyncServerSocket_GetTag(ILibAsyncServerSocket_ServerModule ILibAsyncSocketModule);
 void ILibAsyncServerSocket_SetTag(ILibAsyncServerSocket_ServerModule ILibAsyncSocketModule, void *user);