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Re: Question about open ports
On Sun, 24 Feb 2019 13:12:55 +0000 Arthur Barlow
> I'm using amd64 Current, (8.99.34), which I use as a desktop machine
> as well as an NFS file server. When I scan the ports, I see the ones
> I expect, sun rpc, (111), and nfsd, (2049), but I also see 1021 -
> 1023 as listening ports.
> When I look these up on IANA, they are mentioned as experimental. I
> don't know what launches these listening ports, but I suspect nfs.
> Can someone reassure me with their wisdom that these are necessary,
> or not.
I'm not sure what's normal (I don't run nfs), but sockstat(1) will tell
you which process is opening the ports. You'll probably want something like
sockstat -l -n -f inet -f inet6 -p 1021-1023
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