Hello,
I have tested my csf firewall protected server using one Windows VPS and XOIC ddos attacker application. TCP protection seems fine but for UDP flood csf does nothing.. I have attacked my website server on 22 port which is not used or allowed by UDP_IN, but even so I see huge UDP and increasing. Is it possible to enable automatic block IPs for UDP flood ?
I have used iptraf on node to check status, please check screenshot http://postimg.org/image/lsjswhfxd/
Can I block all UDP_IN ?
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Re: Can I block all UDP_IN ?
There are no options to block or limit inbound UDP floods. such floods can only be effectively blocked at the router level.