Open port

[Kihara Muriithi]

Hi,
 Portmap is a Sun contribution to Unix, which in my opinion was unnecessary.
The idea behind it was to minimize port usage. Unfortunately, only NIS and
NFS use it. So, if you happen to be using any one of those services, you
essentially use two ports instead of one. If you are running both of them,
you would be using three ports. Ironically, this was the situation portmap
was supposed to avoid.
 Portmap probably would have been beneficial if it was widely adopted.
However, politics i.e, why do we need to use Sun's technology - ensured it
remained irrelevant until the end of the world.

William

On 28/04/06, Peter <plp-ysDPMY98cNQDDBjDh4tngg at public.gmane.org> wrote:
>
>
> On Thu, 27 Apr 2006, William O'Higgins Witteman wrote:
>
> > The machine is behind a firewall, which is why I wasn't too worried, but
> > thank you.  I am not using NFS, so the culprit is portmap.  What does
> > portmap do that I need?  Why is it installed by default?
>
> Portmap is the 'mother' of all the rpc processes, i.e. nfsd, mountd,
> statd etc. It coordinates them and the ports they use. Normal *nix
> installations often use nfs and rpc (sort of rsh) and that's the rpc's
> main function. If you do not use nfs turn it off in all runlevels or
> from your admin tool.
>
> Peter
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