F5 BIG-IP TMOS Firewall Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-NET-000364-FW-000032
Group -
The F5 BIG-IP appliance must generate traffic log entries containing information to establish the details of the event, including success or failure of the application of the firewall rule.
Without establishing what type of event occurred, it would be difficult to establish, correlate, and investigate the events leading up to an outage or attack. Audit event content that may be neces...Rule Medium Severity -
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).
A compromised host in an enclave can be used by a malicious platform to launch cyber attacks on third parties. This is a common practice in "botnets", which are a collection of compromised computer...Rule Medium Severity -
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.
Not configuring a key boundary security protection device such as the firewall against commonly known attacks is an immediate threat to the protected enclave because they are easily implemented by ...Rule High Severity -
The F5 BIG-IP appliance must be configured to filter inbound traffic on all external interfaces.
Unrestricted traffic to the trusted networks may contain malicious traffic that poses a threat to an enclave or to other connected networks. Additionally, unrestricted traffic may transit a network...Rule Medium Severity -
The F5 BIG-IP appliance must be configured to filter outbound traffic on all internal interfaces.
If outbound communications traffic is not filtered, hostile activity intended to harm other networks or packets from networks destined to unauthorized networks may not be detected and prevented. A...Rule Medium Severity -
The BIG-IP appliance perimeter firewall must be configured to filter traffic destined to the enclave in accordance with the specific traffic that is approved and registered in the Ports, Protocols, and Services Management (PPSM) Category Assurance List (CAL) and vulnerability assessments.
The enclave's internal network contains the servers where mission-critical data and applications reside. Malicious traffic can enter from an external boundary or originate from a compromised host i...Rule Medium Severity -
SRG-NET-000061-FW-000001
Group -
The F5 BIG-IP appliance that filters traffic from the VPN access points must be configured with organization-defined filtering rules that apply to the monitoring of remote access traffic.
Remote access devices (such as those providing remote access to network devices and information systems) that lack automated capabilities increase risk and make remote user access management diffic...Rule Medium Severity -
SRG-NET-000019-FW-000003
Group
Node 2
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