Allow group access to vty socket.
diff --git a/lib/vty.c b/lib/vty.c
index d1db7f4..5ef364a 100644
--- a/lib/vty.c
+++ b/lib/vty.c
@@ -1856,7 +1856,7 @@
   unlink (path);
 
   /* Set umask */
-  old_mask = umask (0077);
+  old_mask = umask (0007);
 
   /* Make UNIX domain socket. */
   sock = socket (AF_UNIX, SOCK_STREAM, 0);