Any recommendation? How about Ubuntu 20.04?CentOS6? Really? That went eol in 2020 so yeah, high probability your server is hacked.
Create a backup of your DB and web files, reinstall your server asap and import your data.
And check your files to see if they are compromised .
Thanks, that make sense, I ll keep watching on itIt's far more likely to be XF simply doing a cURL request to itself, for example for a thread URL unfurl. If you try it, and post a URL to a thread and wait for it to make the unfurl request, you'll see a guest viewing that thread (because there's been a request made to it) and the IP will be that of the server (because the sever is making the HTTP request which starts up a guest session when browsing the thread). I don't see how or why a hacker would be making internal requests to the forum.
Agreed. But a supported OS is the more pressing matter for now...It's far more likely to be XF simply doing a cURL request to itself, for example for a thread URL unfurl. If you try it, and post a URL to a thread and wait for it to make the unfurl request, you'll see a guest viewing that thread (because there's been a request made to it) and the IP will be that of the server (because the sever is making the HTTP request which starts up a guest session when browsing the thread). I don't see how or why a hacker would be making internal requests to the forum.
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