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Block one IP > mail
Anyone know how to block one specific IP
So that my box couldn't send Email to that IP
By PHP mail(); or SMTP ?
Is APF -d IP enough?
Thx in advice.
use iptables to block all outgoing traffic to the specific IP
i did even ping to IP doesnt work
that will do trick?
If you configured IPTables correctly for this, then yes, that is all you need.
Well to be honest I don't use iptables, i Use APF to block traffic.
But i get APF uses iptables.
I got in/out traffic blocked to IP that i wanted by adding
APF -d IPadress
i wonder if it is enough?
run the commands below in your server command prompt.
/sbin/iptables -A OUTPUT -p tcp -i eth0 -s x.x.x.x --dport 25 -j DROP
replace the x.x.x.x with the IP address that you want to block.
Thanks Mike but i did remove -i eth0 bcoz Iptables told me to.
Hey friend, It's fine
apf uses iptables, it's just an easier interface to iptables. So if you've blocked the site with "apf -d" and you can't ping it, the site will be cut off.
If you really want to test it, try "telnet 126.96.36.199 25" where 188.8.131.52 is the IP you blocked; if it times out, then you know you've cut it off successfully. If you want to be even smarter, you could try turning iptables off.
yes that will work fine.
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