--- /n/sources/plan9/sys/src/9/ip/devip.c	Fri Feb 25 22:42:50 2011
+++ /sys/src/9/port/auth.c	Fri Apr 08 00:00:00 2011
@@ -110,6 +110,8 @@
 {
 	if(n!=4 || strncmp(a, "none", 4)!=0)
 		error(Eperm);
+	if(!iseve())
+		error(Eperm);
 	kstrdup(&up->user, "none");
 	up->basepri = PriNormal;
 	return n;