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Block IP traffic from an specific IP or Network. Block from an IP iptables -A INPUT -s 11.22.33.44 -j DROP If you want to block only on an specific NIC iptables -A INPUT -s 11.22.33.44 -i eth0 -j DROP Or an specific port iptables -A INPUT -s 11.22.33.44 -p tcp -dport 22 -j DROP Using […] Today I needed to relay/forward all Email from one Server (Server A) to another Server (Server B). Server A is running Qmail (on CentOS). Server B is running company smartermail. After googling and searching, I found a site teaches “forwarding Email to another host” using Qmail. I tried, as the article recommends setting up a […] |
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