ipset Archives

Integrating RBL Database with CSF Firewall

April 8, 2021 by admin

ConfigServer Security & Firewall (CSF) has a function that allows it to import blocklists and save them to IPTABLES, which is the Linux firewall utility upon which CSF is based. Requirements First we recommended you install and enable IPSET to CSF Firewall. Also we need increasing the maxelem in csf.conf, if not we would see … Read more

IPSET with IPTABLES

November 5, 2020 by admin

IPSET is an extension to iptables that allows you to create firewall rules that match entire “sets” of addresses at once. Unlike normal iptables chains, which are stored and traversed linearly, IP sets are stored in indexed data structures, like addresses, networks, (TCP/UDP) port numbers, MAC addresses, interface names or combinations of them in a … Read more