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README :: fitted paragraph style

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Ryan Yoosefi 2015-09-25 02:23:08 -07:00
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## Fail2Ban: ban hosts that cause multiple authentication errors
Fail2Ban scans log files like `/var/log/auth.log` and bans IP addresses
having too many failed login attempts.
It does this by updating system firewall rules to reject new connections
from those IP addresses, for a configurable amount of time.
Fail2Ban comes out-of-the-box ready to read many standard log files, such as those
for sshd and Apache, and is easy to configure to read any log file you choose, for
any error you choose.
Fail2Ban scans log files like `/var/log/auth.log` and bans IP addresses having
too many failed login attempts. It does this by updating system firewall rules
to reject new connections from those IP addresses, for a configurable amount
of time. Fail2Ban comes out-of-the-box ready to read many standard log files,
such as those for sshd and Apache, and is easy to configure to read any log
file you choose, for any error you choose.
Though Fail2Ban is able to reduce the rate of incorrect authentications attempts,
it cannot eliminate the risk that weak authentication presents.
Though Fail2Ban is able to reduce the rate of incorrect authentications
attempts, it cannot eliminate the risk that weak authentication presents.
Configure services to use only two factor or public/private authentication
mechanisms if you really want to protect services.