2 # Freifunk Firewall addons
7 # Apply advanced settings
11 local tcp_window_scaling
12 local accept_redirects
13 local accept_source_route
15 config_get_bool tcp_ecn $1 tcp_ecn 1
16 config_get ip_conntrack_max $1 ip_conntrack_max
17 config_get_bool tcp_westwood $1 tcp_westwood 0
18 config_get_bool tcp_window_scaling $1 tcp_window_scaling 1
19 config_get_bool accept_redirects $1 accept_redirects 0
20 config_get_bool accept_source_route $1 accept_source_route 0
22 logger -t firewall.freifunk "tcp_ecn is $tcp_ecn"
23 logger -t firewall.freifunk "tcp_window_scaling is $tcp_window_scaling"
24 logger -t firewall.freifunk "accept_redirects is $accept_redirects"
25 logger -t firewall.freifunk "accept_source_route is $accept_source_route"
27 sysctl -w net.ipv4.tcp_ecn=$tcp_ecn >/dev/null
28 sysctl -w net.ipv4.tcp_window_scaling=$tcp_window_scaling >/dev/null
29 sysctl -w net.ipv4.tcp_westwood=$tcp_westwood >/dev/null
30 sysctl -w net.ipv4.ip_conntrack_max=$ip_conntrack_max >/dev/null
32 for f in /proc/sys/net/ipv4/conf/*/accept_redirects; do
33 echo $accept_redirects > $f
36 for f in /proc/sys/net/ipv4/conf/*/accept_source_route; do
37 echo $accept_source_route > $f
41 config_foreach apply_advanced advanced
45 # Apply fixes for masquerading rules
51 [ -n "$up" ] || return 0
52 (ACTION="ifup" INTERFACE="$1" . /etc/hotplug.d/iface/22-firewall-nat-fix )
55 uci_set_state firewall core loaded 1
56 config_foreach fw_addif interface
57 config_foreach apply_nat_fix interface
59 [ -x /etc/init.d/luci_splash ] && ( sleep 3; /etc/init.d/luci_splash start )&