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emrekgn / README-fail2ban-keycloak.md
Created December 16, 2021 19:16 — forked from drmalex07/README-fail2ban-keycloak.md
Use fail2ban to block brute-force attacks to keycloak server. #keycloak #fail2ban #brute-force-attack

Add regular-expression filter under /etc/fail2ban/filter.d/keycloak.conf:

[INCLUDES]

before = common.conf

[Definition]

_threadName = [a-z][-_0-9a-z]*(\s[a-z][-_0-9a-z]*)*
_userId = (null|[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})
@emrekgn
emrekgn / README.md
Created October 16, 2020 10:34 — forked from hofmannsven/README.md
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