Re: NFS creates hidden port
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On Tue, Aug 22, 2017 at 10:31:03AM +0200, Rob van der Putten wrote:
> Hi there
>
>
> More stretch weirdness:
> Rkhunter alerts me to a hidden port. Restarting NFS changes the port
> number. Today I did a netstat after restarting NFS and then run
> unhide-tcp a few times: It's the client side of RPC NFS callback.
> What can I do about this?
This is a bit thin on details, so just guessing from my side. RPC
traditionally uses a moving port, assigned by the port mapper.
You can configure it to behave as you want it to (RPC and naive,
port based firewall rules have always been a bit at odds with each
other.).
Perhaps you are seeing that?
What on earth is "unhide-tcp"?
Cheers
- -- tomás
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