[CentOS] iptables default configuration
Rob Kampen
rkampen at kampensonline.comTue Jan 19 04:05:11 UTC 2010
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Carlos Santana wrote: > Hi, > > I would like to get some inputs on how to configure iptables. I have > referred to CentOS wiki http://wiki.centos.org/HowTos/Network/IPTables > and it has been very helpful. I have configured iptables with the help > of this tutorial, but I haven't understood few things about default > firewall config. > > - What does 'RH-Firewall-1-INPUT' chain means? This also seems to be a > predefined chain, although not mentioned in wiki. > - The wiki page approach is to flush existing rules and then add > required rules to iptables. Is it possible to add/append required > rules without flushing existing set of rules? Not sure, but I think > this is where 'RH-Firewall-1-INPUT' chain comes into picture (user > defined rules). > > Any explanation or resource link on this would be really helpful. > > Try using webmin - there are rpm available for it and the interface helps deal with the cryptic items that make up an iptable filter. The reason for the RH-Firewall-1-INPUT chain means you can use the same rule set for multiple items - i.e. both input and forward. > Thanks, > CS. > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > -------------- next part -------------- A non-text attachment was scrubbed... Name: rkampen.vcf Type: text/x-vcard Size: 196 bytes Desc: not available URL: <http://lists.centos.org/pipermail/centos/attachments/20100118/2a841adc/attachment-0001.vcf>
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