Install fwlogwatch by entering the following commands in the terminal:
sudo apt update sudo apt install fwlogwatch
Description:
Firewall log analyzer
fwlogwatch produces ipchains, netfilter/iptables, ipfilter, Cisco IOS and Cisco PIX log summary reports in text and HTML form and has a lot of options to find and display relevant patterns in connection attempts. With the data found it can also generate customizable incident reports from a template and send them to abuse contacts at offending sites or CERT coordination centers. Finally, it can also run as daemon and report anomalies or start countermeasures.
Homepage: http://fwlogwatch.inside-security.de/
Version: 1.4-1
Section: universe/net