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I have been using a well-known VPS service for over an year. Everything is good except one thing that once in a while, there will be some DoS attack. And when it happens, my server becomes unaccessible.

While I was using the WordPress in my website today, I felt the server had lousy connection again. I wrote to the service provider and I knew they would respond it was due to some DoS attack and then they did respond saying it was DoS attack, they have mitigated it and asked me to check if I still saw the problem.

My questions are...

(1) Is it true? Always DoS attack? So often? (My definition of 'often' here is that it might happen once or twice a week lasting 2 or 3 minutes, maybe it happens more times but I am not always online to check the connectivity.)

(2) Can't they do something to prevent it proactively? (It seems they can't do much but mitigating it when it happens)

Joe Huang
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I'm using a VPS from one of the UK providers, never had a DDoS (or I'm not aware of it) reported. Don't think they can do much in terms of dealing with one if it happens. But I would be good to know if they're being targeted by some random group or are the attacks related to your activity on your page? Trying out another supplier would be the best option here. Host the website elsewhere, redirect your DNS, and see if the DDoS attacks are still affecting you.

Robert Kołodziej
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Unfortunatelly DDos attacks can also happen on not well known services, but a big invitation for them might be WordPress. On our servers we are getting the most DDOS, bruteforce and other attacks on our WordPress instances.

If you have also bruteforce attacks on your WordPress instance, SSH or any other management locations I would recommend you to use Fail2Ban (www.fail2ban.org/) to prevent login attempts and throttle brute force attacks.

I would also recommend to change the the default admin url, ssh ports, and other common management ports und URIs.

You might want to checkout some DDOS protection offers e.g.: projectshield.withgoogle.com/public/ www.cloudflare.com/plans

WhiteIntel
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