On 2/21/20 7:07 AM, Tim via users wrote:
On Thu, 2020-02-20 at 21:34 -0800, Samuel Sieb wrote:
Any critical system daemons are 1024 and below. The reason the high
ports are left open is for user applications to be able to
communicate without users having to figure out the firewall.
Beyond the usual (HTTP, mail, DNS servers, etc), what is the average
non-admin user going to set up that listens as a server? Admin-users
setting up those traditional services ought to know how to manage
firewalls, or they ought not to mess around with those services.
There are a variety of things like file sharing (webdav), media sharing
(dlna), remote desktop, various 3rd party or proprietary software, etc.
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