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Guide to the Secure Configuration of Red Hat Enterprise Linux CoreOS 4

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Enable SSL Support

    SSL should be used to encrypt network traffic between the Dovecot server and its clients. Users must authenticate to the Dovecot server in order ...
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  • Support Only the Necessary Protocols

    Dovecot supports the IMAP and POP3 protocols, as well as SSL-protected versions of those protocols. Configure the Dovecot server to support only ...
    Group
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  • Disable Cyrus IMAP

    If the system does not need to operate as an IMAP or POP3 server, the Cyrus IMAP software should be removed.
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  • Disable Dovecot

    If the system does not need to operate as an IMAP or POP3 server, the dovecot software should be disabled and removed.
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  • Kerberos

    The Kerberos protocol is used for authentication across non-secure network. Authentication can happen between various types of principals -- users,...
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  • Disable Kerberos by removing host keytab

    Kerberos is not an approved key distribution method for Common Criteria. To prevent using Kerberos by system daemons, remove the Kerberos keytab fi...
    Rule Medium Severity
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  • LDAP

    LDAP is a popular directory service, that is, a standardized way of looking up information from a central database. Red Hat Enterprise Linux CoreOS...
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  • Configure OpenLDAP Clients

    This section provides information on which security settings are important to configure in OpenLDAP clients by manually editing the appropriate con...
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  • Configure OpenLDAP Server

    This section details some security-relevant settings for an OpenLDAP server.
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  • NFS and RPC

    The Network File System is a popular distributed filesystem for the Unix environment, and is very widely deployed. This section discusses the circ...
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