In article <eyACe.19$xR1.12@fe04.lga>, Proteus <nospam@nowhere.net>
wrote:

>111/tcp open sunrpc

This port is used for RPC, which is the transport for NIS and NFS. I
don't think anything else needs RPC, so if you're not using NIS or NFS,
you should be able to turn this off.

>631/tcp open ipp

This is the Web server for CUPS management.