Block junk comments in WordPress

Recently I found that there were so many junk or spam comments posted in the site. The possible reason is some spam robots were keeping booming this site. To block the spam comments and reduce the waste of resources, the following settings in Discussion section were selected.

  • Comment author must fill out name and e-mail
  • Users must be registered and logged in to comment

The second one is very critical. The original idea to leave this option unselected is to allow people leaving their comments easily. Unfortunately, the spammer took advantage of this and kept booming this site.

Now munin monitoring software is used to monitor the server performance. I will keep an eye on it and make sure this really works.

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