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Note: Updated Barracuda IP Ranges


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#1 Stephen Gee

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Posted 10 April 2017 - 12:41 PM

As Barracuda Essentials for Email Security continues to grow, Barracuda has added a new IP range to support it's customers.  If you have configured your firewall to only accept connections from 64.235.144.0/20, please add the additional IP range to accept connections from 209.222.80.0/21.  This will ensure that you will have no service disruptions with our service.

 

We have also noted the IP range change in various places of the documentation, including..

https://campus.barra...SS/GetStarted2/

 



#2 Certeza, John

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Posted 10 April 2017 - 12:48 PM

Hello Stephen,

 

209.222.80.0/21 is listed in documentation but 209.222.80.0/20 in your post, please confirm which is correct?   

 

edit: Is the new subnet live today or sometime in the future?  



#3 Rich Woolley

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Posted 10 April 2017 - 12:57 PM

Hello Stephen,

 

Will the new range be added to spf.ess.barracudanetworks.com?

 

Thanks



#4 Anthony Cataldo

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Posted 11 April 2017 - 12:24 AM

Hi All,

 

Just trying to setup a locked down connector for 365 so that only mail from Barracuda servers is recieved. Just tried to enter the IPs, but it won't let me save the IPs with the following error:

IP addresses must be specified in the format nnn.nnn.nnn.nnn where nnn is a number from 0 to 255. You can also specify Classless Inter-Domain Routing (CIDR) ranges in the format nnn.nnn.nnn.nnn/rr where rr is a number from 24 to 32.

 

Trying to use: 64.235.144.0/20 and 209.222.80.0/21

 

Didn't know it only accepted 24 - 32.

 

Is there something I'm missing?

 

Thanks



#5 Michelle Exner

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Posted 13 April 2017 - 03:36 PM

The additional IP range is 209.222.80.0/21 (original post updated)

The spf record (spf.ess.barracudanetworks.com) has been updated

Many mail servers will not allow you to put in ranges this large. You need to put then in based on smaller class C ranges.

See the following solution for our IP ranges broken down into class C groups

 

  https://www.barracud...50160000000uHiS


Michael Exner
Product Lead Support Engineer
Barracuda Email Security
(408) 342-5300