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why ports 111, 113 and 772 are open?



Hello.

As a firewall I use shorewall.
In rules of shoreall there's no line accepting connection for ports
111, 113 and 772.
But when I nmap myself I have:
PORT    STATE SERVICE
21/tcp  open  ftp
22/tcp  open  ssh
25/tcp  open  smtp
53/tcp  open  domain
80/tcp  open  http
111/tcp open  rpcbind
113/tcp open  auth
772/tcp open  cycleserv2

Is there any place where they can opened?

thanks,
askar



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