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Guide to the Secure Configuration of Red Hat Enterprise Linux 7

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Configure Accepting Router Preference in Router Advertisements on All IPv6 Interfaces By Default

    To set the runtime status of the <code>net.ipv6.conf.default.accept_ra_rtr_pref</code> kernel parameter, run the following command: <pre>$ sudo sys...
    Rule Unknown Severity
    Show

  • Disable Kernel Parameter for Accepting ICMP Redirects by Default on IPv6 Interfaces

    To set the runtime status of the <code>net.ipv6.conf.default.accept_redirects</code> kernel parameter, run the following command: <pre>$ sudo sysct...
    Rule Medium Severity
    Show

  • Disable Kernel Parameter for Accepting Source-Routed Packets on IPv6 Interfaces by Default

    To set the runtime status of the <code>net.ipv6.conf.default.accept_source_route</code> kernel parameter, run the following command: <pre>$ sudo sy...
    Rule Medium Severity
    Show

  • Configure Auto Configuration on All IPv6 Interfaces By Default

    To set the runtime status of the <code>net.ipv6.conf.default.autoconf</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w net...
    Rule Unknown Severity
    Show

  • Configure Maximum Number of Autoconfigured Addresses on All IPv6 Interfaces By Default

    To set the runtime status of the <code>net.ipv6.conf.default.max_addresses</code> kernel parameter, run the following command: <pre>$ sudo sysctl -...
    Rule Unknown Severity
    Show

  • Configure Denying Router Solicitations on All IPv6 Interfaces By Default

    To set the runtime status of the <code>net.ipv6.conf.default.router_solicitations</code> kernel parameter, run the following command: <pre>$ sudo s...
    Rule Unknown Severity
    Show

  • Limit Network-Transmitted Configuration if Using Static IPv6 Addresses

    To limit the configuration information requested from other systems and accepted from the network on a system that uses statically-configured IPv6 ...
    Group
    Show

  • Kernel Parameters Which Affect Networking

    The <code>sysctl</code> utility is used to set parameters which affect the operation of the Linux kernel. Kernel parameters which affect networking...
    Group
    Show

  • Network Related Kernel Runtime Parameters for Hosts and Routers

    Certain kernel parameters should be set for systems which are acting as either hosts or routers to improve the system's ability defend against cert...
    Group
    Show

  • net.ipv4.conf.all.accept_redirects

    Disable ICMP Redirect Acceptance
    Value
    Show

  • net.ipv4.conf.all.accept_source_route

    Trackers could be using source-routed packets to generate traffic that seems to be intra-net, but actually was created outside and has been redirec...
    Value
    Show

  • net.ipv4.conf.default.arp_filter

    Controls whether the ARP filter is enabled or not. 1 - Allows you to have multiple network interfaces on the same subnet, and have the ARPs for ea...
    Value
    Show

  • awstats_purge_apache_log_files SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
    Show

  • net.ipv4.conf.default.arp_ignore

    Control the response modes for ARP queries that resolve local target IP addresses: 0 - (default): reply for any local target IP address, configure...
    Value
    Show

  • net.ipv4.conf.all.forwarding

    Toggle IPv4 Forwarding
    Value
    Show

  • net.ipv4.conf.all.log_martians

    Disable so you don't Log Spoofed Packets, Source Routed Packets, Redirect Packets
    Value
    Show

  • net.ipv4.conf.all.rp_filter

    Enable to enforce sanity checking, also called ingress filtering or egress filtering. The point is to drop a packet if the source and destination I...
    Value
    Show

  • net.ipv4.conf.all.secure_redirects

    Enable to prevent hijacking of routing path by only allowing redirects from gateways known in routing table. Disable to refuse acceptance of secure...
    Value
    Show

  • net.ipv4.conf.all.shared_media

    Controls whether the system can send (router) or accept (host) RFC1620 shared media redirects. <code>shared_media</code> for the interface will be ...
    Value
    Show

  • net.ipv4.conf.default.accept_redirects

    Disable ICMP Redirect Acceptance?
    Value
    Show

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