Guide to the Secure Configuration of SUSE Linux Enterprise 15
Rules, Groups, and Values defined within the XCCDF Benchmark
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Ensure Base Chains Exist for Nftables
Tables in nftables hold chains. Each table only has one address family and only applies to packets of this family. Tables can have one of six famil...Rule Medium Severity -
Set nftables Configuration for Loopback Traffic
Configure the loopback interface to accept traffic. Configure all other interfaces to deny traffic to the loopback network.Rule Medium Severity -
Ensure all outbound and established connections are configured for nftables
Configure the nftables firewall rules for new outbound and established connectionsRule Medium Severity -
Ensure a Table Exists for Nftables
Tables in nftables hold chains. Each table only has one address family and only applies to packets of this family. Tables can have one of six famil...Rule Medium Severity -
SuSEfirewall2
The SuSEfirewall2 provides a managed firewall.Group -
Uncomplicated Firewall (ufw)
The Linux kernel in Ubuntu provides a packet filtering system called netfilter, and the traditional interface for manipulating netfilter are the ip...Group -
Verify ufw Enabled
Theufw
service can be enabled with the following command:$ sudo systemctl enable ufw.service
Rule Medium Severity -
Uncommon Network Protocols
The system includes support for several network protocols which are not commonly used. Although security vulnerabilities in kernel networking code ...Group -
Disable DCCP Support
The Datagram Congestion Control Protocol (DCCP) is a relatively new transport layer protocol, designed to support streaming media and telephony. T...Rule Medium Severity -
Disable RDS Support
The Reliable Datagram Sockets (RDS) protocol is a transport layer protocol designed to provide reliable high-bandwidth, low-latency communications ...Rule Low Severity
Node 2
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Capacity
Modules