diff --git a/src/include/config.h b/src/include/config.h
index 5968c15bdab658aff561f8d9cb3c97306c4bd670..3f22174ede83a478e24932c17feb2207432453f5 100644
--- a/src/include/config.h
+++ b/src/include/config.h
@@ -1,5 +1,5 @@
 /*
- * $Id: config.h,v 0.3 1991/09/15 10:13:11 linus Exp $
+ * $Id: config.h,v 0.4 1991/10/29 05:13:39 ceder Exp $
  * Copyright (C) 1991  Lysator Academic Computer Association.
  *
  * This file is part of the LysKOM server.
@@ -140,7 +140,7 @@ extern const int MAX_CREA_MISC;   /* Sum of recipients, cc_recipients, comm_to
  * MAX_NO_OF_CONNECTIONS must be small enough. Each connection takes one
  * file descriptor, and it is important that there are a few descriptors
  * left so that it is possible to save the data base. lyskomd might crash
- * if this number is too big and that many connectionattempts are made
+ * if this number is too big and that many connection attempts are made
  * simultaneously.
  *
  * The following descriptors are open by LysKOM:
@@ -149,15 +149,22 @@ extern const int MAX_CREA_MISC;   /* Sum of recipients, cc_recipients, comm_to
  *   TEXTFILE_NAME	     (always open)
  *   DATAFILE_NAME	     (often open)
  *   STATISTIC_NAME	     (open after a SIGUSR1)
+ *   Two TCP/IP ports	     (normal connections and mux-connections)
+ *   One UDP/IP port	     (probably from -lresolv, but I'm not sure)
  * Thus, the max number of connections is the number of available file
- * descriptors minus six. This has not been fully tested for a long
- * while, so we subtract eight just to be on the safe side. That still
- * gives 56 simultaneous users on a sun4, and that is enough for the
- * time beeing. (If you need more connections you can ran a mux. Send
+ * descriptors minus nine. This has not been fully tested for a long
+ * while, so we subtract twelve just to be on the safe side. That still
+ * gives 52 simultaneous users on a sun4, and that is enough for the
+ * time beeing. (If you need more connections you can run a mux. Send
  * mail to kom@lysator.liu.se for more info.)
+ *
+ * Machines where less or more files are open should set this in their
+ * m-config.h files.
  */
 
-#define PROTECTED_FDS 8
+#ifndef PROTECTED_FDS
+#define PROTECTED_FDS 12
+#endif
 
 /*
  * An upper limit of how many connections to LysKOM that can be opened