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Linux RHEL-10-300070

DISA STIG RHEL-10-300070 (CAT I): RHEL 10 must use FIPS 140-3-approved cryptographic algorithms for IP tunnels.

DISA STIG recommends

RHEL-10-300070 CAT I

RHEL 10 must use FIPS 140-3-approved cryptographic algorithms for IP tunnels.

NIST SP 800-53: AC-17(2)

Check

Note: If the IPsec service is not installed, this requirement is not applicable. Verify RHEL 10 sets the IPsec service to use the systemwide cryptographic policy with the following command: $ sudo grep include /etc/ipsec.conf /etc/ipsec.d/*.conf /etc/ipsec.conf:include /etc/crypto-policies/back-ends/libreswan.config If the ipsec configuration file does not contain "include /etc/crypto-policies/back-ends/libreswan.config", this is a finding.

Fix

Configure RHEL 10 so that Libreswan uses the systemwide cryptographic policy. Add the following line to "/etc/ipsec.conf": include /etc/crypto-policies/back-ends/libreswan.config

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