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Update fail2ban documentation

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ronivay
2021-03-18 09:46:27 +02:00
parent 1fd7a9c578
commit 75baa1da99
1 changed files with 23 additions and 6 deletions
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docs/faq.rst
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@@ -528,25 +528,42 @@ The above will block flagged IPs for a week, you can of course change it to you
actionstart = iptables -N f2b-bad-auth actionstart = iptables -N f2b-bad-auth
iptables -A f2b-bad-auth -j RETURN iptables -A f2b-bad-auth -j RETURN
iptables -I FORWARD -p tcp -m multiport --dports 1:1024 -j f2b-bad-auth iptables -I DOCKER-USER -p tcp -m multiport --dports 1:1024 -j f2b-bad-auth
actionstop = iptables -D FORWARD -p tcp -m multiport --dports 1:1024 -j f2b-bad-auth actionstop = iptables -D DOCKER-USER -p tcp -m multiport --dports 1:1024 -j f2b-bad-auth
iptables -F f2b-bad-auth iptables -F f2b-bad-auth
iptables -X f2b-bad-auth iptables -X f2b-bad-auth
actioncheck = iptables -n -L FORWARD | grep -q 'f2b-bad-auth[ \t]' actioncheck = iptables -n -L DOCKER-USER | grep -q 'f2b-bad-auth[ \t]'
actionban = iptables -I f2b-bad-auth 1 -s <ip> -j DROP actionban = iptables -I f2b-bad-auth 1 -s <ip> -j DROP
actionunban = iptables -D f2b-bad-auth -s <ip> -j DROP actionunban = iptables -D f2b-bad-auth -s <ip> -j DROP
5. Restart Fail2Ban Using DOCKER-USER chain ensures that blocked IPs are processed in correct order with Docker. See more in: https://docs.docker.com/network/iptables/
5. Configure and restart Fail2Ban service
Make sure Fail2Ban is started after Docker service by adding partial override which appends this to existing configuration..
.. code-block:: bash
sudo systemctl edit fail2ban
Add override and save file.
.. code-block:: bash
[Unit]
After=docker.service
Restart service.
.. code-block:: bash .. code-block:: bash
sudo systemctl restart fail2ban sudo systemctl restart fail2ban
*Issue reference:* `85`_, `116`_, `171`_, `584`_, `592`_. *Issue reference:* `85`_, `116`_, `171`_, `584`_, `592`_, `1727`_.
Users can't change their password from webmail Users can't change their password from webmail
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@@ -670,7 +687,7 @@ iptables -t nat -A POSTROUTING -o eth0 -p tcp --dport 25 -j SNAT --to <your mx i
.. _`1090`: https://github.com/Mailu/Mailu/issues/1090 .. _`1090`: https://github.com/Mailu/Mailu/issues/1090
.. _`unbound`: https://nlnetlabs.nl/projects/unbound/about/ .. _`unbound`: https://nlnetlabs.nl/projects/unbound/about/
.. _`1438`: https://github.com/Mailu/Mailu/issues/1438 .. _`1438`: https://github.com/Mailu/Mailu/issues/1438
.. _`1727`: https://github.com/Mailu/Mailu/issues/1727
A user gets ``Sender address rejected: Access denied. Please check the`` ``message recipient […] and try again`` even though the sender is legitimate? A user gets ``Sender address rejected: Access denied. Please check the`` ``message recipient […] and try again`` even though the sender is legitimate?
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