sr2/RHEL9-CIS
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updated for v2

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Signed-off-by: Mark Bolwell <mark.bollyuk@gmail.com>
This commit is contained in:
Mark Bolwell 2024-07-24 14:05:57 +01:00
parent 3b346f7fe1
commit b5361df285
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GPG key ID: 997FF7FE93AEB5B9
2 changed files with 30 additions and 27 deletions
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38
templates/etc/sysctl.d/60-netipv4_sysctl.conf.j2
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@ -1,42 +1,32 @@
## This file is managed by Ansible, YOUR CHANGES WILL BE LOST!
# IPv4 Network sysctl
{% if rhel9cis_rule_3_2_1 %}
# CIS 3.2.1
net.ipv4.ip_forward = 0
{% endif %}
{% if rhel9cis_rule_3_2_2 %}
# CIS 3.2.2
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.default.send_redirects = 0
{% endif %}
{% if rhel9cis_rule_3_3_1 %}
# CIS 3.3.1
net.ipv4.conf.all.accept_source_route = 0
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.ip_forward = 0
{% endif %}
{% if rhel9cis_rule_3_3_2 %}
# CIS 3.3.2
net.ipv4.conf.all.accept_redirects = 0
net.ipv4.conf.default.accept_redirects = 0
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.default.send_redirects = 0
{% endif %}
{% if rhel9cis_rule_3_3_3 %}
# CIS 3.3.3
net.ipv4.conf.all.secure_redirects = 0
net.ipv4.conf.default.secure_redirects = 0
net.ipv4.icmp_ignore_bogus_error_responses = 1
{% endif %}
{% if rhel9cis_rule_3_3_4 %}
# CIS 3.3.4
net.ipv4.conf.all.log_martians = 1
net.ipv4.conf.default.log_martians = 1
net.ipv4.icmp_echo_ignore_broadcasts = 1
{% endif %}
{% if rhel9cis_rule_3_3_5 %}
# CIS 3.3.5
net.ipv4.icmp_echo_ignore_broadcasts = 1
net.ipv4.conf.all.accept_redirects = 0
net.ipv4.conf.default.accept_redirects = 0
{% endif %}
{% if rhel9cis_rule_3_3_6 %}
# CIS 3.3.6
net.ipv4.icmp_ignore_bogus_error_responses = 1
net.ipv4.conf.all.secure_redirects = 0
net.ipv4.conf.default.secure_redirects = 0
{% endif %}
{% if rhel9cis_rule_3_3_7 %}
# CIS 3.3.7
@ -45,5 +35,15 @@ net.ipv4.conf.default.rp_filter = 1
{% endif %}
{% if rhel9cis_rule_3_3_8 %}
# CIS 3.3.8
net.ipv4.conf.all.accept_source_route = 0
net.ipv4.conf.default.accept_source_route = 0
{% endif %}
{% if rhel9cis_rule_3_3_9 %}
# CIS 3.3.9
net.ipv4.conf.all.log_martians = 1
net.ipv4.conf.default.log_martians = 1
{% endif %}
{% if rhel9cis_rule_3_3_10 %}
# CIS 3.3.10
net.ipv4.tcp_syncookies = 1
{% endif %}

19
templates/etc/sysctl.d/60-netipv6_sysctl.conf.j2
View file

@ -2,19 +2,22 @@
# IPv6 Network sysctl
{% if rhel9cis_ipv6_required %}
{% if rhel9cis_rule_3_2_1 %}
{% if rhel9cis_rule_3_3_1 %}
# CIS 3.3.1
net.ipv6.conf.all.forwarding = 0
{% endif %}
{% if rhel9cis_rule_3_3_1 %}
net.ipv6.conf.all.accept_source_route = 0
net.ipv6.conf.default.accept_source_route = 0
{% endif %}
{% if rhel9cis_rule_3_3_2 %}
{% if rhel9cis_rule_3_3_5 %}
# CIS 3.3.5
net.ipv6.conf.all.accept_redirects = 0
net.ipv6.conf.default.accept_redirects = 0
{% endif %}
{% if rhel9cis_rule_3_3_9 %}
# CIS 3.3.9
{% if rhel9cis_rule_3_3_8 %}
# CIS 3.3.8
net.ipv6.conf.all.accept_source_route = 0
net.ipv6.conf.default.accept_source_route = 0
{% endif %}
{% if rhel9cis_rule_3_3_11 %}
# CIS 3.3.11
net.ipv6.conf.all.accept_ra = 0
net.ipv6.conf.default.accept_ra = 0
{% endif %}