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Fortinet FortiGate Firewall Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-NET-000100-FW-000023

    <GroupDescription></GroupDescription>
    Group
  • The FortiGate firewall must protect the traffic log from unauthorized deletion of local log files and log records.

    &lt;VulnDiscussion&gt;If audit data were to become compromised, forensic analysis and discovery of the true source of potentially malicious system ...
    Rule High Severity
  • SRG-NET-000131-FW-000025

    <GroupDescription></GroupDescription>
    Group
  • The FortiGate firewall must block outbound traffic containing denial-of-service (DoS) attacks to protect against the use of internal information systems to launch any DoS attacks against other networks or endpoints.

    &lt;VulnDiscussion&gt;DoS attacks can take multiple forms but have the common objective of overloading or blocking a network or host to deny or ser...
    Rule Medium Severity
  • SRG-NET-000193-FW-000030

    <GroupDescription></GroupDescription>
    Group
  • The FortiGate firewall implementation must manage excess bandwidth to limit the effects of packet flooding types of denial-of-service (DoS) attacks.

    &lt;VulnDiscussion&gt;A firewall experiencing a DoS attack will not be able to handle production traffic load. The high utilization and CPU caused ...
    Rule Medium Severity
  • SRG-NET-000205-FW-000040

    <GroupDescription></GroupDescription>
    Group
  • The FortiGate firewall must filter traffic destined to the internal enclave in accordance with the specific traffic that is approved and registered in the Ports, Protocols, and Services Management (PPSM) Category Assurance List (CAL), Vulnerability Assessments (VAs) for that the enclave.

    &lt;VulnDiscussion&gt;The enclave's internal network contains the servers where mission-critical data and applications reside. Malicious traffic ca...
    Rule Medium Severity
  • SRG-NET-000235-FW-000133

    <GroupDescription></GroupDescription>
    Group
  • The FortiGate firewall must fail to a secure state if the firewall filtering functions fail unexpectedly.

    &lt;VulnDiscussion&gt;Firewalls that fail suddenly and with no incorporated failure state planning may leave the hosting system available but with ...
    Rule Medium Severity
  • SRG-NET-000333-FW-000014

    <GroupDescription></GroupDescription>
    Group
  • The FortiGate firewall must send traffic log entries to a central audit server for management and configuration of the traffic log entries.

    &lt;VulnDiscussion&gt;Without the ability to centrally manage the content captured in the traffic log entries, identification, troubleshooting, and...
    Rule Medium Severity
  • SRG-NET-000335-FW-000017

    <GroupDescription></GroupDescription>
    Group
  • If communication with the central audit server is lost, the FortiGate firewall must generate a real-time alert to, at a minimum, the SCA and ISSO.

    &lt;VulnDiscussion&gt;Without a real-time alert (less than a second), security personnel may be unaware of an impending failure of the audit functi...
    Rule Medium Severity
  • SRG-NET-000362-FW-000028

    <GroupDescription></GroupDescription>
    Group
  • The FortiGate firewall 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
  • SRG-NET-000364-FW-000031

    <GroupDescription></GroupDescription>
    Group
  • The FortiGate firewall must apply ingress filters to traffic that is inbound to the network through any active external interface.

    &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
  • SRG-NET-000364-FW-000032

    <GroupDescription></GroupDescription>
    Group
  • The FortiGate firewall must apply egress filters to traffic outbound from the network through any internal interface.

    &lt;VulnDiscussion&gt;If outbound communications traffic is not filtered, hostile activity intended to harm other networks or packets from networks...
    Rule Medium Severity

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