Hi all, <br><br>I want to set up a firewall on CentOS 4.4. <br><br>I wnat to know the diiffrence between port filtering and packet filtering ? <br><br>Can iptables do both? <br><br>Is there another pkg better than this? if so, pls let me know. 
<br><br>The purpose of this is to setup a firewall for production use. <br><br>-- <br>Thank you<br>Indunil Jayasooriya<br>