diff -ur --unidirectional-new-file skipsrc-1.0.orig/skip/bdcmod/simplecrypt/simplecrypt.c work.new/skip/bdcmod/simplecrypt/simplecrypt.c
--- skipsrc-1.0.orig/skip/bdcmod/simplecrypt/simplecrypt.c	Fri Oct 25 13:12:38 1996
+++ work.new/skip/bdcmod/simplecrypt/simplecrypt.c	Mon Mar  8 21:33:38 1999
@@ -335,7 +335,7 @@
 	register char		*s = keyp->buf;
 	register char		*e = keyp->buf + keyp->len;
 
-	*payload_type = IPPROTO_ENCAP;
+	*payload_type = IPPROTO_IPIP;
 
 	/*
 	 * exclusive-or the key over the buffer