Panic Mode On (105) Server Problems?

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Message 1865884 - Posted: 6 May 2017, 17:36:35 UTC - in response to Message 1865837.  

Tried Eric. He must be taking a well deserved break.
Will try Kittyman
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Message 1865903 - Posted: 6 May 2017, 21:11:31 UTC - in response to Message 1865884.  

Tried Eric. He must be taking a well deserved break.
Will try Kittyman

It's the weekend.
Plenty of GBT work around so it'll keep till Monday.
Grant
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Message 1865947 - Posted: 7 May 2017, 3:54:24 UTC - in response to Message 1865903.  
Last modified: 7 May 2017, 4:04:01 UTC

Just noticed that someone heard us.
Now all 7 splitters are working. :)
Thank you, Thank you.

It'll now take about 6 hours for the Arecibo work to get through the ready-to-send-queue before we see the results.
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Message 1865948 - Posted: 7 May 2017, 4:09:18 UTC - in response to Message 1865903.  

Tried Eric. He must be taking a well deserved break.
Will try Kittyman

It's the weekend.
Plenty of GBT work around so it'll keep till Monday.

There is plenty of GBT work to go around alright over 7500 channels
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Message 1865988 - Posted: 7 May 2017, 10:42:22 UTC

Will put this here, it's essentially a potential Server problem in the making. Already sent it to the guys behind the screens:
A vulnerability has been found in Intel processors using Active Management Technology (AMT) through which an attacker can take over the computer, even if it's turned off but still receives power!

The people who found out about this vulnerability have written an article with whitepaper about it: https://embedi.com/news/what-you-need-know-about-intel-amt-vulnerability

Intel has released a tool with which you can find out if your system is vulnerable: https://downloadcenter.intel.com/download/26755

They also advise to block ports 16992 and 169923, if you don't use the function, as these are used to reach the AMT services.

AMT is found on all Intel Core processors using vPro and all Xeon processors.

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Al Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
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Message 1866041 - Posted: 7 May 2017, 15:14:14 UTC - in response to Message 1865988.  

They also advise to block ports 16992 and 169923, if you don't use the function, as these are used to reach the AMT services.

Just curious, are these ports open by default, or do they have to be configured to be open on your system?

And, Ruh Roh...

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Message 1866089 - Posted: 7 May 2017, 19:57:34 UTC - in response to Message 1866041.  
Last modified: 7 May 2017, 20:04:01 UTC

They also advise to block ports 16992 and 169923, if you don't use the function, as these are used to reach the AMT services.

Just curious, are these ports open by default, or do they have to be configured to be open on your system?

And, Ruh Roh...

Any OS firewall settings would not be relevant. As the management software runs in its own IP stack.
The default configuration for any home/business internet router I've come across is all ports closed. You can use one of the public internet port scan tools to see if you have anything open that you don't know about.
In a business environment I've mostly seen this features set on a different vlan than the rest of the network. That way two addresses don't have to be allocated for each host on the same network.

It should also be noted that the MB in addition to the CPU needs to support the feature.
For desktop system the feature is generally limited to the higher end Qx7 chipsets. Q57, Q67, Q77, Q87 Q97, Q170, Q270, and such.
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Stephen "Heretic" Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
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Message 1866152 - Posted: 8 May 2017, 1:00:44 UTC - in response to Message 1866089.  


Any OS firewall settings would not be relevant. As the management software runs in its own IP stack.
The default configuration for any home/business internet router I've come across is all ports closed. You can use one of the public internet port scan tools to see if you have anything open that you don't know about.
In a business environment I've mostly seen this features set on a different vlan than the rest of the network. That way two addresses don't have to be allocated for each host on the same network.

It should also be noted that the MB in addition to the CPU needs to support the feature.
For desktop system the feature is generally limited to the higher end Qx7 chipsets. Q57, Q67, Q77, Q87 Q97, Q170, Q270, and such.


. . I had a feeling that it would be a risk affecting mostly specialised setups. You have relieved my concerns that it may have somehow affected me ...

Stephen

:)
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Message 1866176 - Posted: 8 May 2017, 4:30:05 UTC

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Message boards : Number crunching : Panic Mode On (105) Server Problems?


 
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