Sophisticated iptables firewall using `recent` triggering and ipset

In this article are shown example instructions for a simple firewall disallowing new connections if the remote host initiates a connection too often. This is especially the case with SSH bruteforce scans. This article describes deploying netfilter firewall IPv4 address bans on demand to protect a host using iptables recent match and ipset tools.

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Installing NicTool – comprehensive howto

NicTool is a DNS server management software. This is a comprehensive guide on installing NicTool and using it on a BIND and NSD name server setup.

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Bad, bad VirtualStore

Discussion about a case where Windows VirtualStore environment made an older software fail.

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In search of a perfect CMS

Some notes from the time I was searching 'the perfect CMS' and an update follow-up from July 2018.

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