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Cisco ASA Firewall Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The Cisco ASA must be configured to implement scanning threat detection.

    <VulnDiscussion>In a port scanning attack, an unauthorized application is used to scan the host devices for available services and open ports...
    Rule High Severity
    Show

  • SRG-NET-000364-FW-000031

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-NET-000364-FW-000042

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco ASA must be configured to filter inbound traffic on all external interfaces.

    &lt;VulnDiscussion&gt;Unrestricted traffic to the trusted networks may contain malicious traffic that poses a threat to an enclave or to other conn...
    Rule Medium Severity
    Show

  • SRG-NET-000364-FW-000032

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-NET-000019-FW-000004

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco ASA must immediately use updates made to policy enforcement mechanisms such as firewall rules, security policies, and security zones.

    &lt;VulnDiscussion&gt;Information flow policies regarding dynamic information flow control include, for example, allowing or disallowing informatio...
    Rule Medium Severity
    Show

  • SRG-NET-000061-FW-000001

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco ASA must be configured to restrict VPN traffic according to organization-defined filtering rules.

    &lt;VulnDiscussion&gt;Remote access devices (such as those providing remote access to network devices and information systems) that lack automated ...
    Rule Medium Severity
    Show

  • SRG-NET-000074-FW-000009

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-NET-000193-FW-000030

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco ASA must be configured to generate traffic log entries containing information to establish what type of events occurred.

    &lt;VulnDiscussion&gt;Without establishing what type of event occurred, it would be difficult to establish, correlate, and investigate the events l...
    Rule Medium Severity
    Show

  • SRG-NET-000075-FW-000010

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco ASA must be configured to generate traffic log entries containing information to establish when (date and time) the events occurred.

    &lt;VulnDiscussion&gt;Without establishing when events occurred, it is impossible to establish, correlate, and investigate the events leading up to...
    Rule Medium Severity
    Show

  • SRG-NET-000089-FW-000019

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco ASA must be configured to queue log records locally in the event that the central audit server is down or not reachable.

    &lt;VulnDiscussion&gt;It is critical that when the network element is at risk of failing to process traffic logs as required, it takes action to mi...
    Rule Medium Severity
    Show

  • SRG-NET-000098-FW-000021

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco ASA 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
    Show

  • SRG-NET-000131-FW-000025

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco ASA must be configured to disable or remove unnecessary network services and functions that are not used as part of its role in the architecture.

    &lt;VulnDiscussion&gt;Network devices are capable of providing a wide variety of functions (capabilities or processes) and services. Some of these ...
    Rule Medium Severity
    Show

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