I was just wondering what the maximum number of interfaces is supported by CSF?
We have had a few strange occurrences where despite the overall rules (csf.conf) allowing certain ports, we had to add specific rules in csf.allow to permit access for ip addresses to the ports that were already permitted by TCP_IN and TCP_OUT.
This case I have observed on our server running CentOS 6.5 (2.6.32-431.el6.x86_64) that has 71 network interfaces.
Do you think it would be the number of interfaces causing the issue? What else should I look at if it is unlikely to be this?
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ifcfg-eth0
ifcfg-eth1
ifcfg-eth1.4
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ifcfg-eth2
ifcfg-eth3
ifcfg-eth4
route-eth1.999