Ed Costa wrote:

> What will be the difference if I:
> 
> 1.    telnet 185.12.50.1 nad then login as eco
> 2.    rlogin -l eco 185.12.50.1

Not much. Telnet is the Internet standard for interactive login on a
different host. (The first discussions on Telnet in the RFCs date from
1971; the standard for the Telnet protocol is in RFC 854 from 1983.) The
Telnet protocol is meant to be platform independent and has indeed been
implemented on a wide variety of platforms.

rlogin belongs to the BSD suite of "remote" commands -- rlogin, rsh,
rcp. Although there are occasionally implementations for other operating
systems (e. g. a rsh daemon for Windows NT), they are fairly
Unix-specific. They allow access from trusted hosts and accounts without
password, if these accounts are mentioned in $HOME/.rhosts. More
recently, Kerberos support has been added (i. e. more recent than 4.3
BSD, I think :-).

>From the user's point of view there is actually not much difference
except the r* feature of allowing remote login (or remote execution or
copy) without the password. If you use this, be sure that you *really*
trust the hosts you allow access from.

Greetings, Juergen.

-- 
Juergen Nickelsen <[EMAIL PROTECTED]>
Tellique Kommunikationstechnik GmbH
Gustav-Meyer-Allee 25, 13355 Berlin, Germany
Tel. +49 30 46307-552 / Fax +49 30 46307-579
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