View Single Post
Old 03-05-2021, 11:49 AM   #11
hank
Dinosaur
hank began at the beginning.
 
Posts: 107
Karma: 10
Join Date: Sep 2004
Device: Clie TH55, SJ30, VisorEdge, Palm3xe
Quote:
Originally Posted by datostar View Post
I'm not a computer comms expert by any means, but my understanding is that ....There will always be incoming as well as outgoing data. ...
Nope. Far too general an analysis. Port numbers limit what sort of connection is allowed.

'oogle port security.

You wouldn't let some stranger come in and plug an unknown USB device or portable hard drive into your computer. You also wouldn't want to allow the same stranger access to your computer by telecom connection.

This may help:

https://www.watchguard.com/wgrd-reso...what-is-a-port

Last edited by hank; 03-05-2021 at 11:52 AM. Reason: cite
hank is offline   Reply With Quote