docs: update fail2ban example (#2661)

Updates the fail2ban examples to align with new messages.

Fixes #2649.
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James Elliott 2021-12-02 17:09:47 +11:00 committed by GitHub
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commit f0119b5c75
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@ -246,13 +246,13 @@ typically located at `/etc/fail2ban/filter.d`.
# only contains a single IP address (the one from the end-user), and not the proxy chain
# (it is misleading: usually, this is the purpose of this header).
# the failregex rule counts every failed login (wrong username or password) and failed TOTP entry as a failure
# the failregex rule counts every failed 1FA attempt (first line, wrong username or password) and failed 2FA attempt
# second line) as a failure.
# the ignoreregex rule ignores debug, info and warning messages as all authentication failures are flagged as errors
[Definition]
failregex = ^.*Error while checking password for.*remote_ip=<HOST> stack.*
^.*Credentials are wrong for user .*remote_ip=<HOST> stack.*
^.*Wrong passcode during TOTP validation.*remote_ip=<HOST> stack.*
failregex = ^.*Unsuccessful 1FA authentication attempt by user .*remote_ip="?<HOST>"? stack.*
^.*Unsuccessful (TOTP|DUO|U2F) authentication attempt by user .*remote_ip="?<HOST>"? stack.*
ignoreregex = ^.*level=debug.*
^.*level=info.*