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firewall: introduce drop_invalid option to allow disabling the invalid state match 

SVN-Revision: 14061
lede-17.01
Jo-Philipp Wich 2009-01-16 18:09:19 +00:00
parent b693945d4f
commit 83c9ac173d
1 changed files with 10 additions and 7 deletions
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17
package/firewall/files/uci_firewall.sh
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@ -159,16 +159,19 @@ fw_defaults() {
$IPTABLES -t mangle -X $IPTABLES -t mangle -X
$IPTABLES -t nat -X $IPTABLES -t nat -X
$IPTABLES -X $IPTABLES -X
$IPTABLES -A INPUT -m state --state INVALID -j DROP config_get_bool drop_invalid $1 drop_invalid 1
[ "$drop_invalid" -gt 0 ] && {
$IPTABLES -A INPUT -m state --state INVALID -j DROP
$IPTABLES -A OUTPUT -m state --state INVALID -j DROP
$IPTABLES -A FORWARD -m state --state INVALID -j DROP
}
$IPTABLES -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT $IPTABLES -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
$IPTABLES -A OUTPUT -m state --state INVALID -j DROP
$IPTABLES -A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT $IPTABLES -A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
$IPTABLES -A FORWARD -m state --state INVALID -j DROP
$IPTABLES -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT $IPTABLES -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
$IPTABLES -A INPUT -i lo -j ACCEPT $IPTABLES -A INPUT -i lo -j ACCEPT
$IPTABLES -A OUTPUT -o lo -j ACCEPT $IPTABLES -A OUTPUT -o lo -j ACCEPT