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how to prevent DDoS attacks ?

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    No problem dude ! I hope you have a good vacation. Enjoy your loved ones!
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    @Panda as, yes, now I understand and that makes 100% sense. It means those who get down voted can still have an opinion and use common services. And yes, you’re right. Rather than down vote, just ignore if you don’t agree.
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    @phenomlab Work now
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    @phenomlab Aha…nice to know. As always thank you for the reply and information.