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# log4j jndi exploit CVE-2021-44228 filter | |
# Save this file as /etc/fail2ban/filter.d/log4j-jndi.conf | |
# then copy and uncomment the [log4j-jndi] section | |
# to /etc/fail2ban/jail.local | |
# | |
# jay@gooby.org | |
# https://jay.gooby.org/2021/12/13/a-fail2ban-filter-for-the-log4j-cve-2021-44228 | |
# https://gist.github.com/jaygooby/3502143639e09bb694e9c0f3c6203949 | |
# Thanks to https://gist.github.com/kocour for a better regex | |
# |