Re: Question regarding Oracle listener port change

No one single "security" change is going to make you secure. That being said, it doesn't hurt to use non-standard ports and I personally think most defaults should be changed or at least researched and documented.

> On Apr 6, 2019, at 1:17 PM, Mark W. Farnham <mwf_at_rsiz.com> wrote:
>
> …unless your team knows how to set up honey pots and/or that port is subject to denial of service attacks
>
> there is some debate whether those can be effective
>
> From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Jared Still
> Sent: Friday, April 05, 2019 8:25 PM
> To: rakeshra.tr_at_gmail.com
> Cc: Oracle-L Freelists
> Subject: Re: Question regarding Oracle listener port change
>
> Changing port # is just security by obscurity , right?
>
>
> On Tue, Mar 26, 2019, 04:52 Rakesh Ra <rakeshra.tr_at_gmail.com> wrote:
> Hi All,
>
> We have full rack exadata server X5 version with 11.2.0.4 version DB running on it.. We changed the port number of scan and local listener from 1521 to 1621.
> I tried connecting to the database remotely using scan and default service with port 1521 , connection is going through. I also tried connecting to the database using scan and default service using 1621 port as well. With that also I am able to connect. Should I ideally get my connection request with port 1521 rejected with some TNS errors?? Or is this is expected??
>
> Regards,
> Rakesh RA

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