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Add ulogd2

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This commit is contained in:
Ryan Cavicchioni
2019-09-02 17:50:56 +00:00
parent a44a6540ba
commit a511491bdf
7 changed files with 97 additions and 0 deletions
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16
roles/firewall/templates/ip6tables.j2
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@@ -4,11 +4,19 @@
:OUTPUT {{ firewall_iptables_output_policy_v6 }}
-N LOG_ACCEPT
{% 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] "
{% else %}
-A LOG_ACCEPT -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j LOG --log-prefix "[iptables ACCEPT] " --log-level info
{% endif %}
-A LOG_ACCEPT -j ACCEPT
-N LOG_DROP
{% 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] "
{% else %}
-A LOG_DROP -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j LOG --log-prefix "[iptables DROP] " --log-level info
{% endif %}
-A LOG_DROP -p tcp -m tcp -m comment --comment "reject tcp6" -j REJECT --reject-with tcp-reset
-A LOG_DROP -p udp -m udp -m comment --comment "drop udp6" -j DROP
-A LOG_DROP -m comment --comment "reject all inet6" -j REJECT --reject-with icmp6-adm-prohibited
@@ -16,7 +24,11 @@
{% if firewall_limit_ssh %}
-N LIMIT_SSH
-A LIMIT_SSH -m recent --set --name SSH --rsource
{% if firewall_use_ulogd %}
-A LIMIT_SSH -m recent --update --seconds {{ firewall_limit_ssh_seconds }} --hitcount {{ firewall_limit_ssh_hitcount }} --name SSH --rsource -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j NFLOG --nflog-prefix "[iptables SSH BRUTE] "
{% else %}
-A LIMIT_SSH -m recent --update --seconds {{ firewall_limit_ssh_seconds }} --hitcount {{ firewall_limit_ssh_hitcount }} --name SSH --rsource -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j LOG --log-prefix "[iptables SSH BRUTE] " --log-level info
{% endif %}
-A LIMIT_SSH -p tcp -m tcp -m recent --update --seconds {{ firewall_limit_ssh_seconds }} --hitcount {{ firewall_limit_ssh_hitcount }} --name SSH --rsource -j SET --add-set cooloff_v6 src
-A LIMIT_SSH -p tcp -m tcp -m set --match-set cooloff_v6 src -m comment --comment "rate limit ssh 22/tcp" -j REJECT --reject-with tcp-reset
-A LIMIT_SSH -j ACCEPT
@@ -25,7 +37,11 @@
{% if firewall_drop_icmp_flood %}
-N ICMP_FLOOD
-A ICMP_FLOOD -m recent --set --name ICMP --rsource
{% if firewall_use_ulogd %}
-A ICMP_FLOOD -m recent --update --seconds {{ firewall_limit_icmp_flood_seconds }} --hitcount {{ firewall_limit_icmp_flood_hitcount }} --name ICMP --rsource --rttl -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j NFLOG --nflog-prefix "[iptables ICMP FLOOD] "
{% else %}
-A ICMP_FLOOD -m recent --update --seconds {{ firewall_limit_icmp_flood_seconds }} --hitcount {{ firewall_limit_icmp_flood_hitcount }} --name ICMP --rsource --rttl -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j LOG --log-prefix "[iptables ICMP FLOOD] " --log-level info
{% endif %}
-A ICMP_FLOOD -m recent --update --seconds {{ firewall_limit_icmp_flood_seconds }} --hitcount {{ firewall_limit_icmp_flood_hitcount }} --name ICMP --rsource --rttl -m comment --comment "drop icmpv6 flood" -j REJECT --reject-with icmp6-adm-prohibited
-A ICMP_FLOOD -j ACCEPT
{% endif %}