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Add nflog group for packet captures

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This commit is contained in:
Ryan Cavicchioni 2019-09-02 17:51:48 +00:00
parent a511491bdf
commit e711ee3a22
Signed by: ryanc
GPG Key ID: 877EEDAF9245103D
3 changed files with 6 additions and 0 deletions
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2
roles/firewall/defaults/main.yaml
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@ -34,6 +34,8 @@ firewall_ulogd_nflog_group: 1
firewall_ulogd_syslog_facility: LOG_LOCAL0 firewall_ulogd_syslog_facility: LOG_LOCAL0
firewall_ulogd_syslog_level: LOG_INFO firewall_ulogd_syslog_level: LOG_INFO
firewall_iptables_nflog_group: 2
firewall_drop_icmp_flood: true firewall_drop_icmp_flood: true
firewall_limit_icmp_flood_seconds: 1 firewall_limit_icmp_flood_seconds: 1
firewall_limit_icmp_flood_hitcount: 6 firewall_limit_icmp_flood_hitcount: 6

2
roles/firewall/templates/ip6tables.j2
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@ -4,6 +4,7 @@
:OUTPUT {{ firewall_iptables_output_policy_v6 }} :OUTPUT {{ firewall_iptables_output_policy_v6 }}
-N LOG_ACCEPT -N LOG_ACCEPT
-A LOG_ACCEPT -j NFLOG --nflog-group {{ firewall_iptables_nflog_group }}
{% if firewall_use_ulogd %} {% if firewall_use_ulogd %}
-A LOG_ACCEPT -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j NFLOG --nflog-group {{ firewall_ulogd_nflog_group }} --nflog-prefix "[iptables ACCEPT] " -A LOG_ACCEPT -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j NFLOG --nflog-group {{ firewall_ulogd_nflog_group }} --nflog-prefix "[iptables ACCEPT] "
{% else %} {% else %}
@ -12,6 +13,7 @@
-A LOG_ACCEPT -j ACCEPT -A LOG_ACCEPT -j ACCEPT
-N LOG_DROP -N LOG_DROP
-A LOG_DROP -j NFLOG --nflog-group {{ firewall_iptables_nflog_group }}
{% if firewall_use_ulogd %} {% if firewall_use_ulogd %}
-A LOG_DROP -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j NFLOG --nflog-group {{ firewall_ulogd_nflog_group }} --nflog-prefix "[iptables DROP] " -A LOG_DROP -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j NFLOG --nflog-group {{ firewall_ulogd_nflog_group }} --nflog-prefix "[iptables DROP] "
{% else %} {% else %}

2
roles/firewall/templates/iptables.j2
View File

@ -4,6 +4,7 @@
:OUTPUT {{ firewall_iptables_output_policy }} :OUTPUT {{ firewall_iptables_output_policy }}
-N LOG_ACCEPT -N LOG_ACCEPT
-A LOG_ACCEPT -j NFLOG --nflog-group {{ firewall_iptables_nflog_group }}
{% if firewall_use_ulogd %} {% if firewall_use_ulogd %}
-A LOG_ACCEPT -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j NFLOG --nflog-group {{ firewall_ulogd_nflog_group }} --nflog-prefix "[iptables ACCEPT] " -A LOG_ACCEPT -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j NFLOG --nflog-group {{ firewall_ulogd_nflog_group }} --nflog-prefix "[iptables ACCEPT] "
{% else %} {% else %}
@ -12,6 +13,7 @@
-A LOG_ACCEPT -j ACCEPT -A LOG_ACCEPT -j ACCEPT
-N LOG_DROP -N LOG_DROP
-A LOG_DROP -j NFLOG --nflog-group {{ firewall_iptables_nflog_group }}
{% if firewall_use_ulogd %} {% if firewall_use_ulogd %}
-A LOG_DROP -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j NFLOG --nflog-group {{ firewall_ulogd_nflog_group }} --nflog-prefix "[iptables DROP] " -A LOG_DROP -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j NFLOG --nflog-group {{ firewall_ulogd_nflog_group }} --nflog-prefix "[iptables DROP] "
{% else %} {% else %}