How can I remove specific rules from iptables? [closed]

Question

I am hosting special HTTP and HTTPS services on the ports 8006 and 8007 respectively. I use iptables to "activate" the server; i.e. to route the incoming HTTP and HTTPS ports:

iptables -A INPUT -i eth0 -p tcp --dport 80 -j ACCEPT iptables -A INPUT -i eth0 -p tcp --dport 443 -j ACCEPT iptables -A INPUT -i eth0 -p tcp --dport 8006 -j ACCEPT iptables -A INPUT -i eth0 -p tcp --dport 8007 -j ACCEPT iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8006  iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 443 -j REDIRECT --to-port 8007   iptables -A OUTPUT -t nat -d 127.0.0.1 -p tcp --dport 80 -j REDIRECT --to-ports 8006 iptables -A OUTPUT -t nat -d 127.0.0.1 -p tcp --dport 443 -j REDIRECT --to-ports 8007  

This works like a charm. However I would like to create another script that disables my server again; i.e. restore iptables to the state it was in before running the lines above. However I am having a hard time figuring out the syntax to remove these rules. The only thing that seems to work is a complete flush:

iptables -F iptables -X iptables -t nat -F iptables -t nat -X iptables -t mangle -F iptables -t mangle -X iptables -P INPUT ACCEPT iptables -P FORWARD ACCEPT iptables -P OUTPUT ACCEPT 

But that will also delete other iptables rules which is undesired.

Answer 1

Execute the same commands but replace the "-A" with "-D". For example:

iptables -A ... 

becomes

iptables -D ...