Guide to the Secure Configuration of Oracle Linux 10
Rules, Groups, and Values defined within the XCCDF Benchmark
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Disable Kernel Parameter for Sending ICMP Redirects on all IPv4 Interfaces by Default
To set the runtime status of the <code>net.ipv4.conf.default.send_redirects</code> kernel parameter, run the following command: <pre>$ sudo sysctl ...Rule Medium Severity -
Disable Kernel Parameter for IP Forwarding on IPv4 Interfaces
To set the runtime status of the <code>net.ipv4.ip_forward</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w net.ipv4.ip_fo...Rule Medium Severity -
nftables
<code>If firewalld or iptables are being used in your environment, please follow the guidance in their respective section and pass-over the guidanc...Group -
Verify Group Who Owns /etc/nftables Directory
To properly set the group owner of/etc/nftables
, run the command:$ sudo chgrp root /etc/nftables
Rule Medium Severity -
Verify User Who Owns /etc/nftables Directory
To properly set the owner of/etc/nftables
, run the command:$ sudo chown root /etc/nftables
Rule Medium Severity -
Verify Permissions On /etc/nftables Directory
To properly set the permissions of/etc/nftables
, run the command:$ sudo chmod 0700 /etc/nftables
Rule Medium Severity -
Verify Permissions on System.map Files
The System.map files are symbol map files generated during the compilation of the Linux kernel. They contain the mapping between kernel symbols and...Rule Low Severity -
File Permissions and Masks
Traditional Unix security relies heavily on file and directory permissions to prevent unauthorized users from reading or modifying files to which t...Group -
Verify Permissions on Important Files and Directories
Permissions for many files on a system must be set restrictively to ensure sensitive information is properly protected. This section discusses impo...Group -
Ensure All World-Writable Directories Are Owned by root User
All directories in local partitions which are world-writable should be owned by root. If any world-writable directories are not owned by root, this...Rule Medium Severity
Node 2
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