[mod.protocols.tcp-ip] Returned Network Mail

POSTMASTER@FINFUN.BITNET (01/16/87)

----------------------------Original message----------------------------
Your mail is being returned to you.
Reason for return is:
%MAIL-E-LOGLINK, error creating network link to node VTTEL1
-SYSTEM-F-LINKEXIT, network partner exited
Returned mail follows:
------------------------------
Received: From BYUADMIN(MAILER) by FINFUN with RSCS id 5461
          for VTTTELTY@FINFUN; Thu, 15-JAN-1987 16:40 N
Received: by BYUADMIN (Mailer X1.23b) id 5420; Thu, 15 Jan 87 06:59:06 MST
Date:         Thu, 15 Jan 87 08:46:02 EST
Reply-To:     "(TCP-IP ARPA Digest)" <TCPIP-L@BYUADMIN>
Sender:       "(TCP-IP ARPA Digest)" <TCPIP-L@BYUADMIN>
From:         Bob Dixon <TS0400@OHSTVMA>
Subject:      Password security
To:           "(no name)" <VTTTELTY@FINFUN>

  Another way of minimizing the effect of possible ethernet tappers
is to use bridges and gateways which isolate groups of users appropriately.
Then a member of any given group cannot intercept messages which do not
involve that group, because other packets do not flow in their ethernet.


                                               Bob Dixon
                                               Ohio State University
Acknowledge-To: <TS0400@OHSTVMA>