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F5 BIG-IP TMOS Firewall Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-NET-000098-FW-000021

    <GroupDescription></GroupDescription>
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  • The F5 BIG-IP appliance must be configured to use TCP when sending log records to the central audit server.

    &lt;VulnDiscussion&gt;If the default UDP protocol is used for communication between the hosts and devices to the central log server, then log recor...
    Rule Medium Severity
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  • SRG-NET-000364-FW-000042

    <GroupDescription></GroupDescription>
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  • The F5 BIG-IP appliance must be configured to restrict itself from accepting outbound packets that contain an illegitimate address in the source address field via an egress filter or by enabling Unicast Reverse Path Forwarding (uRPF).

    &lt;VulnDiscussion&gt;A compromised host in an enclave can be used by a malicious platform to launch cyber attacks on third parties. This is a comm...
    Rule Medium Severity
    Show

  • SRG-NET-000362-FW-000028

    <GroupDescription></GroupDescription>
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  • The F5 BIG-IP appliance must employ filters that prevent or limit the effects of all types of commonly known denial-of-service (DoS) attacks, including flooding, packet sweeps, and unauthorized port scanning.

    &lt;VulnDiscussion&gt;Not configuring a key boundary security protection device such as the firewall against commonly known attacks is an immediate...
    Rule High Severity
    Show

  • SRG-NET-000202-FW-000039

    <GroupDescription></GroupDescription>
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  • The F5 BIG-IP appliance must deny network communications traffic by default and allow network communications traffic by exception (i.e., deny all, permit by exception).

    &lt;VulnDiscussion&gt;To prevent malicious or accidental leakage of traffic, organizations must implement a deny-by-default security posture at the...
    Rule High Severity
    Show

  • SRG-NET-000392-FW-000042

    <GroupDescription></GroupDescription>
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  • The F5 BIG-IP appliance must generate an alert that can be forwarded to, at a minimum, the information system security officer (ISSO) and information system security manager (ISSM) when denial-of-service (DoS) incidents are detected.

    &lt;VulnDiscussion&gt;Without an alert, security personnel may be unaware of major detection incidents that require immediate action, and this dela...
    Rule Low Severity
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