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High ports Auto Open ????

Perfomed a scan of our Astaro firewall from an outside source and found the ports 65561 and 65979 open.
But have no idea what they are used for...
Any Ideas...?
Should We be concerned?

Thank You

Karl

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0 JimmyM over 23 years ago

That's strange. The highest port is 65535.
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0 kclauss over 23 years ago in reply to JimmyM

I agree...weird !!
http://www.iss.net/security_center/advice/Exploits/Ports/
and
http://www.simovits.com/nyheter9902.html
Currently do not have a listing or an exploit of these ports..but I wonder why they show up when scanning (using 3DTraceroute... http://www.hlembke.de/prod/3dtraceroute/).

Karl
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0 kclauss over 23 years ago in reply to JimmyM

I agree...weird !!
http://www.iss.net/security_center/advice/Exploits/Ports/
and
http://www.simovits.com/nyheter9902.html
Currently do not have a listing or an exploit of these ports..but I wonder why they show up when scanning (using 3DTraceroute... http://www.hlembke.de/prod/3dtraceroute/).

Karl
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0 ojrad over 23 years ago in reply to kclauss

Hy

I think there are ports 25 and 443 open.
If you convert port  65561 to binary you get  10000000000011001.
Then remove leading 1  (17 bit) and you get 16 bit  0000000000011001, 25  decimal. The same is with port  65979.

Ojrad
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0 JimmyM over 23 years ago in reply to ojrad

You're too clever, ojrad! Perhaps it's a problem with the port scanning software.
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0 ojrad over 23 years ago in reply to JimmyM

I agree completely. The problem is in scanning software. The problem is that port scanning is not limited to 16 bit.

Ojrad
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0 kclauss over 23 years ago in reply to ojrad

Thank you Ojrad!
Makes perfect sense now.

K
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