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CFS - Is this host safe to allow?

I have seen the CFS blocking access for the following:

Searching for what this is comes up with News that it is malicious but also some saying it's valid.

Anyone have an idea about it?

Category: Firewall Management and Analytics

Best Answers

    TKWITSTKWITS Community Legend ✭✭✭✭✭
    Answer ✓

    Search the web for the domain name, surprise! It's Let's Encrypt, a well known and trusted source of SSL certificates...

    EpictetusEpictetus Newbie ✭
    Answer ✓

    Thanks ..

    I did do the search .. but I had never heard of it before

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