How about providing some more info, like say, what kind of firewall you're asking about. – ErikASep 28 '10 at 21:59
Say it's Linux firewall using iptables. – datasunnySep 28 '10 at 22:22
So, you mean other than using <code>iptables -L -v</code>? to print the list of rules being applied in a verbose mode? – l0c0b0xSep 28 '10 at 23:30
But "iptables -L" doesn't give me any information about duplicate/overridden rule. In a large scale, the check should be done by automatic tool. – datasunnySep 29 '10 at 0:09
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