Synology Disk DS211J

Jones, Barry BEJones at
Thu Sep 29 18:16:44 CDT 2011

Or, open those specific ports as needed, then close. PITA though (pain in the @ss)

-----Original Message-----
From: Jones, Barry [mailto:BEJones at] 
Sent: Thursday, September 29, 2011 4:14 PM
To: 'Matthew Palmer'; nanog at
Subject: RE: Synology Disk DS211J


-----Original Message-----
From: Matthew Palmer [mailto:mpalmer at]
Sent: Thursday, September 29, 2011 2:31 PM
To: nanog at
Subject: Re: Synology Disk DS211J

On Thu, Sep 29, 2011 at 12:11:48PM -0700, Jones, Barry wrote:
> A little off topic, but wanted to share... I purchased a home storage 
> Synology DS1511+.  After configuring it on the home net, I did some 
> captures to look at the protocols, and noticed that the DS1511+ is 
> making outgoing connections to (www) and 
> (port 81 &
> 89) on a regular basis.  These addresses are owned by Synology and 
> Chungwa Telecom in Taiwan.

And this is why the prudent home admin runs a firewall device he or she can trust, and has a "default deny" rule in place even for outgoing connections.

- Matt

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