CSF Issue with Alma Linux Mirrors

Leo Santis

• May 13, 2026 14:10

mirrors.almalinux.org uses Amazon service and I have a serious problem with Amazon bots (not only Amazon’s but lots of their users as well). And can't whitelist all CDIRs due that.

As Alma Linux mirrors IPs changes all the time, I always have issues with updates, Nginx Manager access pages and so on.

So I have to check what IPs they’re using and include them in csf.allow.
It’s works for a week or two but they frequently changing IPs and this is getting time consuming. Especially when you need to quickly clear Nginx cache and its page is not accessible.

I also include mirrors.almalinux.org at the bottom of csf.dyndns

Any other possible way to whitelist that for good?

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  cPRex Jurassic Moderator

  • May 14, 2026 13:24

  Hey there!  This seems like it might be a better question for AlmaLinux, as I don't have any official recommendations on my end for this one.  The only official list they post is here, but as you said, the IPs may change: https://mirrors.almalinux.org/

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  Leo Santis

  • May 14, 2026 14:13

  Thanks cPRex

  I’ve just opened a topic on Alma Linux let’s see.

  In case I found a solution I comment here as can be handy for others. And perhaps someone here that faced same issue might have a good tip.

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