> From current-users-owner-ross=teraflop.com@NetBSD.ORG Sun May 24 01:17:51 1998
> Date: Sun, 24 May 1998 03:07:59 -0500 (CDT)
> From: "Tom T. Thai" <tomthai@future.net>
> To: current-users@NetBSD.ORG
> Subject: telnet unknown  host
>
> Still working or fine tuning my new laptop with NetBSD 1.3 on it...
> When I login as root, i can ping, telnet, rlogin, and ftp to a remote
> host, but when I login as a user, I can ping and rlogin to the remote
> host, but NOT telnet.
> ... ... ...
> $ telnet dream
> dream: Unknown host

I bet you created /etc/resolv.conf with mode xx0. rlogin(1) and ping(8)
(unlike telnet(1)) are suid root and can still read it.