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MQSeries.net Forum Index » WebSphere DataPower » Disaster Recovery Mode - why not?

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PeterPotkay
PostPosted: Mon Aug 12, 2013 6:43 am    Post subject: Disaster Recovery Mode - why not? Reply with quote

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Joined: 15 May 2001
Posts: 7717

http://pic.dhe.ibm.com/infocenter/wsdatap/v6r0m0/topic/com.ibm.dp.doc/considerations_operationalmodes.html?resultof=%22%6f%70%65%72%61%74%69%6f%6e%61%6c%22%20%22%6f%70%65%72%22%20%22%6d%6f%64%65%22%20

The above link talks about choosing an operational mode for your appliance when you are setting it up. Choosing Secure Mode (a.k.a. Disaster Recover Mode) allows you to do secure backups. There is no mention of any negative considerations when choosing this mode. Makes me wonder why this wouldn't be the default then.

Does anyone know of any reasons one would NOT put their appliance into Disaster Recovery Mode at build time?
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rekarm01
PostPosted: Sat Aug 17, 2013 11:13 am    Post subject: Re: Disaster Recovery Mode - why not? Reply with quote

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Joined: 25 Jun 2008
Posts: 1415

PeterPotkay wrote:
Choosing Secure Mode (a.k.a. Disaster Recover Mode) allows you to do secure backups. There is no mention of any negative considerations when choosing this mode. Makes me wonder why this wouldn't be the default then.

Secure Mode wasn't originally available; it was introduced in v3.8.1.0. It's possible that it's disabled by default for backwards compatibility. Or, because enabling it is actually less secure than disabling it.

PeterPotkay wrote:
Does anyone know of any reasons one would NOT put their appliance into Disaster Recovery Mode at build time?

"secure" is relative. If Secure Mode is disabled, then it's not possible to export private data (certificates, keys, and user data) at all. "unexportable" is a lot more secure than "exportable, but encrypted".

DataPower appliances are typically placed in a DMZ, reachable from an untrusted network. Allowing DataPower appliances to export private data, even if encrypted, may introduce an unacceptable security risk. In that case, a site should manage its private data elsewhere (behind the DMZ firewalls, or off the network), and provide an alternate Disaster Recovery plan for restoring DataPower appliance configurations. It all depends on how paranoid a given site needs to be.
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PeterPotkay
PostPosted: Sat Aug 17, 2013 1:22 pm    Post subject: Reply with quote

Poobah

Joined: 15 May 2001
Posts: 7717

Thank you, rekarm01.
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