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HP-UX System Administrator's Guide: Security Management: HP-UX 11i Version 3 > Chapter 1 Installing the HP-UX Operating Environment Securely

Enable Login Security for root


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Many network protocols such as rlogind and telnetd do not encrypt network communication, making it easy for an intruder to sniff the administrative passwords from the network. Try to minimize the usage of these nonsecure protocols.

To prevent an administrative login through such a protocol, you can use the /etc/securetty file to limit logging in to the root account only through the system console. For instance, to restrict root logins to only the console, create the/etc/security file with a single line consisting of console. For more information, see login(1).

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