> /etc/ipf.rules echo "" >> /etc/ipf.rules echo "#外部網(wǎng)絡(luò)的數(shù)據(jù)只有FTP(使用20和21端口)、www、dns、smtp、pop3、mysql、ssh、rtsp、jabb。Ipf+ipnat+ipfw建立帶流量控制的透明網(wǎng)關(guān)( 三 )。" />

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Ipf+ipnat+ipfw建立帶流量控制的透明網(wǎng)關(guān)( 三 )

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echo "block in log quick all with opt ssrr" >> /etc/ipf.rules
echo "" >> /etc/ipf.rules
echo "#外部網(wǎng)絡(luò)的數(shù)據(jù)只有FTP(使用20和21端口)、www、dns、smtp、pop3、mysql、ssh、rtsp、jabber和ssl的服務(wù)可以進(jìn)入"
>> /etc/ipf.rules
if [ $INTARNFTP != "0.0.0.0" ]
then
echo "pass in quick on "$ADSLDEV" proto tcp from any to any port = 20 keep state" >> /etc/ipf.rules
echo "pass in quick on "$ADSLDEV" proto tcp from any to any port = 21 keep state" >> /etc/ipf.rules
fi
if [ $INTARNSSH != "0.0.0.0" ]
then
echo "pass in quick on "$ADSLDEV" proto tcp from any to any port = 22 keep state" >> /etc/ipf.rules
fi
if [ $INTARNEMAIL != "0.0.0.0" ]
then
echo "pass in quick on "$ADSLDEV" proto tcp from any to any port = 25 keep state" >> /etc/ipf.rules
echo "pass in quick on "$ADSLDEV" proto tcp from any to any port = 110 keep state" >> /etc/ipf.rules
fi
if [ $INTARNDNS != "0.0.0.0" ]
then
echo "pass in quick on "$ADSLDEV" proto udp from any to any port = 53 keep state" >> /etc/ipf.rules
echo "pass out quick on "$ADSLDEV" proto udp from any port = 53 to any keep state" >> /etc/ipf.rules
fi
if [ $INTARNWEB != "0.0.0.0" ]
then
echo "pass in quick on "$ADSLDEV" proto tcp from any to any port = 80 keep state" >> /etc/ipf.rules
fi
if [ $INTARNSSL != "0.0.0.0" ]
then
echo "pass in quick on "$ADSLDEV" proto tcp from any to any port = 443 keep state" >> /etc/ipf.rules
fi
if [ $INTARNRTSP != "0.0.0.0" ]
then
echo "pass in quick on "$ADSLDEV" proto tcp from any to any port = 554 keep state" >> /etc/ipf.rules
echo "pass in quick on "$ADSLDEV" proto udp from any to any port = 554 keep state" >> /etc/ipf.rules
fi
if [ $INTARNMYSQL != "0.0.0.0" ]
then
echo "pass in quick on "$ADSLDEV" proto tcp from any to any port = 3306 keep state" >> /etc/ipf.rules
fi
if [ $INTARNJABBER != "0.0.0.0" ]
then
echo "pass in quick on "$ADSLDEV" proto tcp from any to any port = 5222 keep state" >> /etc/ipf.rules
echo "pass in quick on "$ADSLDEV" proto tcp from any to any port = 5269 keep state" >> /etc/ipf.rules
fi
echo "" >> /etc/ipf.rules
echo "#阻塞內(nèi)部網(wǎng)絡(luò)訪問以下指定IP地址" >> /etc/ipf.rules
echo "block out quick proto tcp/udp from any to any port = 6995 #不能連接BT " >> /etc/ipf.rules
echo "" >> /etc/ipf.rules
echo "#內(nèi)部網(wǎng)絡(luò)可以訪問外部網(wǎng)絡(luò)" >> /etc/ipf.rules
echo "pass out log on "$ADSLDEV" proto icmp all keep state" >> /etc/ipf.rules
echo "pass out log on "$ADSLDEV" proto tcp/udp from any to any keep state" >> /etc/ipf.rules
echo "" >> /etc/ipf.rules
echo "#阻塞外部網(wǎng)絡(luò)的其它請求" >> /etc/ipf.rules
echo "block return-rst in log on "$ADSLDEV" proto tcp from any to "$ADSLIP" flags S/SA" >> /etc/ipf.rules
echo "block return-icmp(net-unr) in log on "$ADSLDEV" proto udp from any to "$ADSLIP"" >> /etc/ipf.rules
echo "block in log on "$ADSLDEV" all" >> /etc/ipf.rules
echo "" >> /etc/ipf.rules
echo "#阻塞內(nèi)部網(wǎng)絡(luò)訪問以下指定IP地址" >> /etc/ipf.rules
echo "#block in log quick on "$ADSLDEV" proto tcp from any to 202.106.185.77 flags S/SA #不能連接163.com" >> /etc/ipf.rules
echo "" >> /etc/ipf.rules
echo "#內(nèi)部網(wǎng)絡(luò)的數(shù)據(jù)全部可以通過防火墻" >> /etc/ipf.rules
echo "pass in on "$INTARNDEV" all" >> /etc/ipf.rules
echo "pass out on "$INTARNDEV" all" >> /etc/ipf.rules
echo "pass in on lo0 all" >> /etc/ipf.rules
echo "pass out on lo0 all" >> /etc/ipf.rules
echo "" >> /etc/ipf.rules
echo "#讓VPN能通過防火墻" >> /etc/ipf.rules
echo "pass in quick on "$ADSLDEV" proto tcp from any to any port = 47 keep state" >> /etc/ipf.rules
echo "pass out quick on "$ADSLDEV" proto tcp from any port = 47 to any keep state" >> /etc/ipf.rules
echo "pass in quick on "$ADSLDEV" proto tcp from any to any port = 1723 keep state" >> /etc/ipf.rules
echo "pass out quick on "$ADSLDEV" proto tcp from any port = 1723 to any keep state" >> /etc/ipf.rules

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