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Port remapping
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okay, because read somewhere else remapping would prevent hackers for finding specific ports.. but not quite confident with that idea so i ask for suggestions...
what is the port range that can be remap? if ever.. 
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plus it also depends on the port
You can remap any port you want BUT if you're behind a standard linksys router then it doesn't matter anyways because by default no ports are forwarded (forwarded='port remapped' as you call it). Port forwarding/NAT is only a consideration when you are hosting a service such as an FTP site, or web site.
For example on apexsoftware.com we run an FTP site. Sometimes I change the port from :21 to
XXX to stop these anonymous login attempts (a weak attempt at hacking).
However we also run a website on apexsoftware.com (:80) and a mailserver (:25) and if we were to change those two ports it would break our email and e-mail. E-mail expects port :25 and i'm not sure there is anything you can do about it.
For example on apexsoftware.com we run an FTP site. Sometimes I change the port from :21 to
XXX to stop these anonymous login attempts (a weak attempt at hacking).However we also run a website on apexsoftware.com (:80) and a mailserver (:25) and if we were to change those two ports it would break our email and e-mail. E-mail expects port :25 and i'm not sure there is anything you can do about it.
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