Question

I think someone brute force attacking my server

Posted April 7, 2017 2.5k views
UbuntuSecurityNetworking

I think someone brute force attacking my server,how can i deal with it?My computer’s IP is dynamic ip

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jewelpet
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jewelpet
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2 answers
hansen April 7, 2017

Hi @jewelpet

Use public keys instead of passwords, like said before. But consider setting up fail2ban or similar.

https://www.digitalocean.com/community/tutorials/how-to-protect-ssh-with-fail2ban-on-ubuntu-14-04

How To Protect SSH with Fail2Ban on Ubuntu 14.04
by Justin Ellingwood
Fail2ban is a daemon that can be run on your server to dynamically block clients that fail to authenticate correctly with your services repeatedly. This can help mitigate the affect of brute force attacks and illegitimate users of your services. In this guide, we'll show demonstrate how to install and configure fail2ban to protect SSH and Nginx on an Ubuntu 14.04 server.
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Woet April 7, 2017

Use public keys and strong passwords.

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