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attack

  1. J

    Issue Protect wordpress sites against bot/scrapers causing 100% CPU/RAM load.

    Hello, we are facing attacks of bots/scrapers on some of our servers sometimes (Multiple domains at once) This is causing a 100% CPU load across all the cores so all websites become unreachable and the plesk admin UI becomes slow We enabled the Wordpress Security measures from the Plesk UI on...
  2. gennolo

    Question best practices to be web ddos protected from Plesk

    Hi all, From a few days I am struggling with website accesses from china that puts my centos/plesk box KO. It happens that within a second I have a GET request for 100+ different web pages for my e-commerce website that are spiking my server load average and crashing everything :( These...
  3. D

    Question grep Emails via phpmailer / sendmail

    Hi, i noticed some brute Force attack against some Wordpress and the Outgoing Email Limit (Subscription) turned on at same time. I want to ask if theres a similar command as following, to track down Emails (Email Header, or Sender/ Receipient) send via SENDMAIL or PHPMailer?? # grep...
  4. N

    Issue Cwait attack ?

    Hi everyone, i come here for find an urgently help ! I've contacted OVH and PLESK support, and the both let's me alone with this problem. Since few week, but really few days, my server (under ubuntu 16.04 and plesk onyx 17) use progressivly fully ram memory, and after created swap file, fully...
  5. J

    Issue I am under SMTP attack

    I checked my maillog today and saw a lot of SASL LOGIN authentication failed: authentication failure messages. It appears that I am under SMTP brute force attack. Fail2ban is enabled yet same person tried to login many times. Any ideas how to avoid this?
  6. EnriqueR

    Issue Named attack

    I am having a problem with my Plesk server since for a few weeks it is being attacked using brute force in named. I have noticed that in the file '/var/log/messages' the following line appears thousands of times: Nov 22 16:43:04 myserver named[571]: client x.x.x.x#49784: query (cache)...
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