From 770edf016838523c248e3c8a36c5f327a0b98415 Mon Sep 17 00:00:00 2001 From: Nicolas Fort Date: Fri, 24 May 2024 16:44:41 +0000 Subject: T3900: T6394: extend functionalities in firewall; move netfilter sysctl timeout parameters defined in conntrack to firewall global-opton section. --- data/templates/firewall/sysctl-firewall.conf.j2 | 28 +++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 data/templates/firewall/sysctl-firewall.conf.j2 (limited to 'data/templates/firewall') diff --git a/data/templates/firewall/sysctl-firewall.conf.j2 b/data/templates/firewall/sysctl-firewall.conf.j2 new file mode 100644 index 000000000..b9c3311e2 --- /dev/null +++ b/data/templates/firewall/sysctl-firewall.conf.j2 @@ -0,0 +1,28 @@ +# Autogenerated by firewall.py + +# gloabl options +net.ipv4.icmp_echo_ignore_all = {{ 0 if global_options.all_ping == 'enable' else 1 }} +net.ipv4.icmp_echo_ignore_broadcasts = {{ 0 if global_options.broadcast_ping == 'enable' else 1 }} +net.ipv4.conf.all.bc_forwarding = {{ 1 if global_options.directed_broadcast == 'enable' else 0 }} +net.ipv4.conf.*.accept_source_route = {{ 1 if global_options.ip_src_route == 'enable' else 0 }} +net.ipv6.conf.*.accept_redirects = {{ 1 if global_options.ipv6_receive_redirects == 'enable' else 0 }} +net.ipv6.conf.*.accept_source_route = {{ 0 if global_options.ipv6_src_route == 'enable' else -1 }} +net.ipv4.conf.all.log_martians = {{ 1 if global_options.log_martians == 'enable' else 0 }} +net.ipv4.conf.*.accept_redirects = {{ 1 if global_options.receive_redirects == 'enable' else 0 }} +net.ipv4.conf.*.send_redirects = {{ 1 if global_options.send_redirects == 'enable' else 0 }} +net.ipv4.tcp_syncookies = {{ 1 if global_options.syn_cookies == 'enable' else 0 }} +net.ipv4.tcp_rfc1337 = {{ 1 if global_options.twa_hazards_protection == 'enable' else 0 }} + +## Timeout values: +net.netfilter.nf_conntrack_icmp_timeout = {{ global_options.timeout.icmp }} +net.netfilter.nf_conntrack_generic_timeout = {{ global_options.timeout.other }} +net.netfilter.nf_conntrack_tcp_timeout_close_wait = {{ global_options.timeout.tcp.close_wait }} +net.netfilter.nf_conntrack_tcp_timeout_close = {{ global_options.timeout.tcp.close }} +net.netfilter.nf_conntrack_tcp_timeout_established = {{ global_options.timeout.tcp.established }} +net.netfilter.nf_conntrack_tcp_timeout_fin_wait = {{ global_options.timeout.tcp.fin_wait }} +net.netfilter.nf_conntrack_tcp_timeout_last_ack = {{ global_options.timeout.tcp.last_ack }} +net.netfilter.nf_conntrack_tcp_timeout_syn_recv = {{ global_options.timeout.tcp.syn_recv }} +net.netfilter.nf_conntrack_tcp_timeout_syn_sent = {{ global_options.timeout.tcp.syn_sent }} +net.netfilter.nf_conntrack_tcp_timeout_time_wait = {{ global_options.timeout.tcp.time_wait }} +net.netfilter.nf_conntrack_udp_timeout = {{ global_options.timeout.udp.other }} +net.netfilter.nf_conntrack_udp_timeout_stream = {{ global_options.timeout.udp.stream }} -- cgit v1.2.3