Restrict access to NFS-Export List

Discussion about using NAS on Linux and Unix OS.
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skoenig
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Joined: Thu Oct 29, 2020 5:22 pm

Restrict access to NFS-Export List

Post by skoenig » Thu Oct 29, 2020 5:33 pm

Hi,

we had a Pentest running on our Systems and now we need to restrict acces to the Export List of NFS which you can query with "showmount -e <IP>".

I read about a way of restriction on other Linux-System by adding a restriction to mountd in the file /etc/hosts.deny.

But when I try this at our QNAP, the file is deleted after each restart of the QNAP.

Is there any other way to restrict access to the Export List of the NFS-service?

regards,
S. Koenig

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