7,540
edits
Changes
→IPtables modifications
<br>
====IPtables modifications====
<pre>
-A POSTROUTING -s 192.168.123.0/24 -d 224.0.0.0/24 -j RETURN
-A POSTROUTING -s 192.168.123.0/24 -d 255.255.255.255/32 -j RETURN
-A POSTROUTING -s 192.168.123.0/24 ! -d 192.168.123.0/24 -p tcp -j MASQUERADE --to-ports 1024-65535
-A POSTROUTING -s 192.168.123.0/24 ! -d 192.168.123.0/24 -p udp -j MASQUERADE --to-ports 1024-65535
-A POSTROUTING -s 192.168.123.0/24 ! -d 192.168.123.0/24 -j MASQUERADE
<pre>
<pre>
-A INPUT -i virbr1 -p udp -m udp --dport 53 -j ACCEPT
-A INPUT -i virbr1 -p tcp -m tcp --dport 53 -j ACCEPT
-A INPUT -i virbr1 -p udp -m udp --dport 67 -j ACCEPT
-A INPUT -i virbr1 -p tcp -m tcp --dport 67 -j ACCEPT
-A INPUT -i virbrDocker -p udp -m udp --dport 53 -j ACCEPT
-A INPUT -i virbrDocker -p tcp -m tcp --dport 53 -j ACCEPT
-A INPUT -i virbrDocker -p udp -m udp --dport 67 -j ACCEPT
-A INPUT -i virbrDocker -p tcp -m tcp --dport 67 -j ACCEPT
</pre>
<pre>
-A OUTPUT -o virbr1 -p udp -m udp --dport 68 -j ACCEPT
-A OUTPUT -o virbrDocker -p udp -m udp --dport 68 -j ACCEPT
</pre>
<pre>
-A FORWARD -i virbr1 -o virbr1 -j ACCEPT
-A FORWARD -o virbr1 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -i virbr1 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -d 192.168.123.0/24 -o virbrDocker -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -s 192.168.123.0/24 -i virbrDocker -j ACCEPT
-A FORWARD -i virbrDocker -o virbrDocker -j ACCEPT
-A FORWARD -o virbrDocker -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -i virbrDocker -j REJECT --reject-with icmp-port-unreachable
</pre>
