Am 22.12.2017 um 14:47 schrieb Sam Bull:
I was also under the impression that these reserved ports were better protected
by the OS, changing to a non-standard port could actually result in reducing
security.
A very quick Google seems to agree with what I remember, e.g.
https://www.adayinthelifeof.nl/2012/03/12/why-putting-ssh-on-another-port-than-22-is-bad-idea/
Leaving it on the default port ensures the OS will be doing everything it can to
protect it. Changing it might reduce the number of random brute force attempts
(but these are not going to succeed if you've secured your system anyway), but
might make your server more vulnerable to an actual targeted attack (which is
significantly more likely to succeed).
Thanks, good point. Never thought in that way about it.
I will change back to standard port and see what. Since I followed the nice
guide, my server should be protected.
Regards
Torge
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