Re: [cisco-voip] Cisco Live CLUS anyone??

[Jason Aarons (Americas)]

Ryan Huff finds Lelio Fulgenzi at the White House and tells him all CCIEs are 
now the son of Jor-El, their jailer, and offers to lead him to WebEx Mountain 
in exchange for control of Spark Cloud from King Holloway?

I think this needs to be an Avengers Endgame party them.  I’ll be Dr Strange, 
master of 200 OK spells.


From: Ryan Huff 
Sent: Monday, April 29, 2019 9:18 PM
To: Jason Aarons (Americas) 
Cc: Anthony Holloway ; 
cisco-voip@puck.nether.net
Subject: Re: [cisco-voip] Cisco Live CLUS anyone??

Listen,

No one goes to the Hall of Justice without trying to at least trying to see 
some of the Justice League...
Sent from my iPhone

On Apr 29, 2019, at 21:07, Jason Aarons (Americas) 
mailto:jason.aar...@dimensiondata.com>> wrote:
I’ll be there, but trying to sync up has been pretty hard given the size of 
venue etc!

-jason

From: cisco-voip 
mailto:cisco-voip-boun...@puck.nether.net>> 
On Behalf Of Anthony Holloway
Sent: Monday, April 29, 2019 3:38 PM
To: Ryan Huff mailto:ryanh...@outlook.com>>
Cc: cisco-voip@puck.nether.net
Subject: Re: [cisco-voip] Cisco Live CLUS anyone??


I'll be there!

Last year, I started a webex teams room for those of us who were in attendance 
(and wanted to be in the room).  A few of us used it to coordinate meetups.  
There was also some good conversation in the room during the week as well.  
Mostly, heads-ups on events, humor and commentary on what was being learned 
that week.

I might even been in the Engineering Deathmatch again, as a defending champ.  I 
hope to god they don't put me up against you Ryan.  Fingers crossed.

On Mon, Apr 29, 2019 at 2:19 PM Ryan Huff 
mailto:ryanh...@outlook.com>> wrote:
Just curious to know whom (if anyone) from the list will be at CLUS this year 
in San Diego? I will be and would love to meetup with those from the list whom 
I’ve only exchanged emails with thus far.
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Re: [cisco-voip] Cisco Live CLUS anyone??

[Ryan Huff]

Listen,

No one goes to the Hall of Justice without trying to at least trying to see 
some of the Justice League...

Sent from my iPhone

On Apr 29, 2019, at 21:07, Jason Aarons (Americas) 
mailto:jason.aar...@dimensiondata.com>> wrote:

I’ll be there, but trying to sync up has been pretty hard given the size of 
venue etc!

-jason

From: cisco-voip 
mailto:cisco-voip-boun...@puck.nether.net>> 
On Behalf Of Anthony Holloway
Sent: Monday, April 29, 2019 3:38 PM
To: Ryan Huff mailto:ryanh...@outlook.com>>
Cc: cisco-voip@puck.nether.net
Subject: Re: [cisco-voip] Cisco Live CLUS anyone??


I'll be there!

Last year, I started a webex teams room for those of us who were in attendance 
(and wanted to be in the room).  A few of us used it to coordinate meetups.  
There was also some good conversation in the room during the week as well.  
Mostly, heads-ups on events, humor and commentary on what was being learned 
that week.

I might even been in the Engineering Deathmatch again, as a defending champ.  I 
hope to god they don't put me up against you Ryan.  Fingers crossed.

On Mon, Apr 29, 2019 at 2:19 PM Ryan Huff 
mailto:ryanh...@outlook.com>> wrote:
Just curious to know whom (if anyone) from the list will be at CLUS this year 
in San Diego? I will be and would love to meetup with those from the list whom 
I’ve only exchanged emails with thus far.
___
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itevomcid
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Re: [cisco-voip] Cisco Live CLUS anyone??

[Jason Aarons (Americas)]

I’ll be there, but trying to sync up has been pretty hard given the size of 
venue etc!

-jason

From: cisco-voip  On Behalf Of Anthony 
Holloway
Sent: Monday, April 29, 2019 3:38 PM
To: Ryan Huff 
Cc: cisco-voip@puck.nether.net
Subject: Re: [cisco-voip] Cisco Live CLUS anyone??


I'll be there!

Last year, I started a webex teams room for those of us who were in attendance 
(and wanted to be in the room).  A few of us used it to coordinate meetups.  
There was also some good conversation in the room during the week as well.  
Mostly, heads-ups on events, humor and commentary on what was being learned 
that week.

I might even been in the Engineering Deathmatch again, as a defending champ.  I 
hope to god they don't put me up against you Ryan.  Fingers crossed.

On Mon, Apr 29, 2019 at 2:19 PM Ryan Huff 
mailto:ryanh...@outlook.com>> wrote:
Just curious to know whom (if anyone) from the list will be at CLUS this year 
in San Diego? I will be and would love to meetup with those from the list whom 
I’ve only exchanged emails with thus far.
___
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itevomcid
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Re: [cisco-voip] Cisco Live CLUS anyone??

[Lelio Fulgenzi]

I will be there. 

---
Lelio Fulgenzi, B.A. | Senior Analyst
Computing and Communications Services | University of Guelph
Room 037 Animal Science & Nutrition Bldg | 50 Stone Rd E | Guelph, ON | N1G 2W1
519-824-4120 Ext. 56354 | le...@uoguelph.ca

www.uoguelph.ca/ccs | @UofGCCS on Instagram, Twitter and Facebook



-Original Message-
From: cisco-voip  On Behalf Of Ryan Huff
Sent: Monday, April 29, 2019 3:19 PM
To: cisco-voip@puck.nether.net
Subject: [cisco-voip] Cisco Live CLUS anyone??

Just curious to know whom (if anyone) from the list will be at CLUS this year 
in San Diego? I will be and would love to meetup with those from the list whom 
I’ve only exchanged emails with thus far.
___
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Re: [cisco-voip] Cisco Live CLUS anyone??

[Kent Roberts]

I’ll be there this year.

> On Apr 29, 2019, at 1:38 PM, Anthony Holloway 
>  wrote:
> 
> I'll be there!
> 
> Last year, I started a webex teams room for those of us who were in 
> attendance (and wanted to be in the room).  A few of us used it to coordinate 
> meetups.  There was also some good conversation in the room during the week 
> as well.  Mostly, heads-ups on events, humor and commentary on what was being 
> learned that week.
> 
> I might even been in the Engineering Deathmatch again, as a defending champ.  
> I hope to god they don't put me up against you Ryan.  Fingers crossed.
> 
> On Mon, Apr 29, 2019 at 2:19 PM Ryan Huff  > wrote:
> Just curious to know whom (if anyone) from the list will be at CLUS this year 
> in San Diego? I will be and would love to meetup with those from the list 
> whom I’ve only exchanged emails with thus far.
> ___
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> https://puck.nether.net/mailman/listinfo/cisco-voip 
> 
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Re: [cisco-voip] Cisco Live CLUS anyone??

[Anthony Holloway]

I'll be there!

Last year, I started a webex teams room for those of us who were in
attendance (and wanted to be in the room).  A few of us used it to
coordinate meetups.  There was also some good conversation in the room
during the week as well.  Mostly, heads-ups on events, humor and commentary
on what was being learned that week.

I might even been in the Engineering Deathmatch again, as a defending
champ.  I hope to god they don't put me up against you Ryan.  Fingers
crossed.

On Mon, Apr 29, 2019 at 2:19 PM Ryan Huff  wrote:

> Just curious to know whom (if anyone) from the list will be at CLUS this
> year in San Diego? I will be and would love to meetup with those from the
> list whom I’ve only exchanged emails with thus far.
> ___
> cisco-voip mailing list
> cisco-voip@puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-voip
>
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Re: [cisco-voip] Cisco Live CLUS anyone??

[Matthew Loraditch]

I'll be there. M-W


Matthew Loraditch
Sr. Network Engineer
p: 443.541.1518
w: www.heliontechnologies.com | e: mloradi...@heliontechnologies.com
-Original Message-
From: cisco-voip  On Behalf Of Ryan Huff
Sent: Monday, April 29, 2019 3:19 PM
To: cisco-voip@puck.nether.net
Subject: [cisco-voip] Cisco Live CLUS anyone??

Just curious to know whom (if anyone) from the list will be at CLUS this year 
in San Diego? I will be and would love to meetup with those from the list whom 
I’ve only exchanged emails with thus far.
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[cisco-voip] Cisco Live CLUS anyone??

[Ryan Huff]

Just curious to know whom (if anyone) from the list will be at CLUS this year 
in San Diego? I will be and would love to meetup with those from the list whom 
I’ve only exchanged emails with thus far.
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Re: [cisco-voip] Cloud registered user manual for room kits

[Lelio Fulgenzi]

I’m not sure the self-serve, knowledge base approach to this. I mean, yeah, the 
information is there, but good luck finding it without the right keywords.

I’d even like a chronological list of new articles. That world help.

-sent from mobile device-

Lelio Fulgenzi, B.A. | Senior Analyst
Computing and Communications Services | University of Guelph
Room 037 Animal Science & Nutrition Bldg | 50 Stone Rd E | Guelph, ON | N1G 
2W1
519-824-4120 Ext. 56354 | 
le...@uoguelph.ca

www.uoguelph.ca/ccs | @UofGCCS on Instagram, 
Twitter and Facebook

[University of Guelph Cornerstone with Improve Life tagline]

On Apr 29, 2019, at 1:02 PM, Pawlowski, Adam 
mailto:aj...@buffalo.edu>> wrote:

If someone can figure out the secret of how to find anything on collab help 
please let me know .

There is a page of , say , top articles listed when you select a product , but 
, it otherwise looks like an incoherent jumble to me. I work with manuals 
though so maybe I’m just missing something.

Adam


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Re: [cisco-voip] External call attempts to Expressway E

[Evgeny Izetov]

Check "Expressway Policy Protection" in BRKCOL-2018, it has a good example
for CPL.

But yeah, the best that Expressway can do is to respond with Forbidden to
fraud call attempts instead of Not Found. I wish we could make it
'invisible' like CUBE can be, but per that CiscoLive you'd need to have
some sort of an IPS device in front of it.

On Mon, Apr 29, 2019 at 1:23 PM Brian Meade  wrote:

> Yea, they're hoping you allow inbound calls with source of @yourdomain.com
> or @populardomainhere.com.
>
> Usually they're not targeting Expressways on purpose, they just see it as
> a device responding to SIP messages.  A lot of PBX's on the internet have
> very little security on them so things like changing the source domain will
> work.
>
> I try to do TLS only where possible but TCP is usually needed as well.  I
> always disable UDP SIP on the Expressways which cuts down a little bit.
>
> Then from there, you have to allow more based on destination than source
> if you want to allow B2B calls from any potential source.
>
> On Mon, Apr 29, 2019 at 1:14 PM Pawlowski, Adam  wrote:
>
>> All,
>>
>>
>>
>> I know I’d asked here and elsewhere in the past regarding spam calls and
>> call setup attempts, which seem to be part of the reality of being on the
>> public internet. We see consistent call attempts from our own domain, as
>> well as @google.com . More lately, I see them pop up with the from
>> address of what appears to be another customer’s Expressway E. Not many,
>> but a few.
>>
>>
>>
>> When I set up CPL on our appliances I had referred initially to this blog
>> post:
>>
>>
>>
>>
>> https://ciscoshizzle.blogspot.com/2016/05/hardening-your-cisco-vcs-expressway.html
>>
>>
>>
>> Expressway was new to me and the documentation was (is) not such that you
>> could simply open it and understand how to set it all up end to end without
>> going through the process as the tasks are sort of split between documents.
>> I wanted to note that in this blog they mention that they don’t make any
>> attempt to block routing externally, such that you wouldn’t necessarily
>> care to block calls from the default zone back out across DNS because they
>> weren’t coming to your enterprise. I am assuming that it is possible to
>> configure your search rules to allow this to happen.
>>
>>
>>
>> I don’t understand the point of this, other than perhaps you could
>> attempt calls through known hosts in case they happened to have some sort
>> of trust relationship running, or to try and skirt (or poison) blacklists.
>>
>>
>>
>> Is anyone else seeing that type of call attempt? Do you think it’s worth
>> trying to reach out to groups that appear to be proxying these calls?
>>
>>
>>
>> Best,
>>
>>
>>
>> Adam Pawlowski
>>
>> SUNYAB NCS
>>
>>
>> ___
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>> cisco-voip@puck.nether.net
>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>
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Re: [cisco-voip] External call attempts to Expressway E

[Ryan Huff]

In full disclosure, I have not looked at the links you've referenced, just 
offering my thoughts on your questions. First, lets agree that preventing 100% 
of toll-fraud is a fool's errand; the only way to 100% prevent it is to power 
it off.

That said, making toll-fraud "less possible" in Expressway is more challenging 
than a traditional "CUBE" because unlike NANP, URI's can be damn well what the 
business pleases, and you also have to consider the calling scenarios (Example: 
Hybrid call connect could absolutely have "e...@domain.call.ciscospark.com" 
calls coming inbound as source URIs). A system that will only ever have 
outbound calls to Webex CMRs can have a call policy written to prevent calls 
with source URIs matching the internal domain whereas a multi-national 
deployment of two separate systems (with the same doamian), not on-net and 
separated by the Internet may not be able to.

To that end, writing call policies for Expressway has (and always will be) 
something that is customized to the deployment.

I have found the following to be two good "reject" policies that tend not to 
interfere with most deployments (though they could if the internal URIs match 
the policy). Most organizations have Directory URIs that ultimately have been 
inherited from the user's email address or other corporate standardizations 
which these policies tend to avoid and also tend to deny routing to a 
surprising amount of obvious junk (typically, I apply CPL at the edge):


  *   ^[0-9,a-z,A-Z]{0,6}@.*
 *The first 0-6 characters are made up of alphanumerics 0-9 and/or 
upper/lower case letters, “@“ anything
*   Example: 123...@domain.com
*   Example: noa...@domian.com
*   Example: 9...@domain.com

  *   ^[0-9,a-z,A-Z]{0,6}$
 *   The first 0-6 characters are made up of alphanumerics 0-9 and/or 
upper/lower case letter and do not exceed the 6th character
 *   Example: 1000
 *   Example: 
 *   Example: NoAuth

Thanks,

Ryan Huff, CCDP, CCNP
Cisco Certified Network and Design Professional


From: cisco-voip  on behalf of Pawlowski, 
Adam 
Sent: Monday, April 29, 2019 1:13 PM
To: cisco-voip@puck.nether.net
Subject: [cisco-voip] External call attempts to Expressway E


All,



I know I’d asked here and elsewhere in the past regarding spam calls and call 
setup attempts, which seem to be part of the reality of being on the public 
internet. We see consistent call attempts from our own domain, as well as 
@google.com . More lately, I see them pop up with the from address of what 
appears to be another customer’s Expressway E. Not many, but a few.



When I set up CPL on our appliances I had referred initially to this blog post:



https://ciscoshizzle.blogspot.com/2016/05/hardening-your-cisco-vcs-expressway.html



Expressway was new to me and the documentation was (is) not such that you could 
simply open it and understand how to set it all up end to end without going 
through the process as the tasks are sort of split between documents. I wanted 
to note that in this blog they mention that they don’t make any attempt to 
block routing externally, such that you wouldn’t necessarily care to block 
calls from the default zone back out across DNS because they weren’t coming to 
your enterprise. I am assuming that it is possible to configure your search 
rules to allow this to happen.



I don’t understand the point of this, other than perhaps you could attempt 
calls through known hosts in case they happened to have some sort of trust 
relationship running, or to try and skirt (or poison) blacklists.



Is anyone else seeing that type of call attempt? Do you think it’s worth trying 
to reach out to groups that appear to be proxying these calls?



Best,



Adam Pawlowski

SUNYAB NCS


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Re: [cisco-voip] External call attempts to Expressway E

[Brian Meade]

Yea, they're hoping you allow inbound calls with source of @yourdomain.com
or @populardomainhere.com.

Usually they're not targeting Expressways on purpose, they just see it as a
device responding to SIP messages.  A lot of PBX's on the internet have
very little security on them so things like changing the source domain will
work.

I try to do TLS only where possible but TCP is usually needed as well.  I
always disable UDP SIP on the Expressways which cuts down a little bit.

Then from there, you have to allow more based on destination than source if
you want to allow B2B calls from any potential source.

On Mon, Apr 29, 2019 at 1:14 PM Pawlowski, Adam  wrote:

> All,
>
>
>
> I know I’d asked here and elsewhere in the past regarding spam calls and
> call setup attempts, which seem to be part of the reality of being on the
> public internet. We see consistent call attempts from our own domain, as
> well as @google.com . More lately, I see them pop up with the from
> address of what appears to be another customer’s Expressway E. Not many,
> but a few.
>
>
>
> When I set up CPL on our appliances I had referred initially to this blog
> post:
>
>
>
>
> https://ciscoshizzle.blogspot.com/2016/05/hardening-your-cisco-vcs-expressway.html
>
>
>
> Expressway was new to me and the documentation was (is) not such that you
> could simply open it and understand how to set it all up end to end without
> going through the process as the tasks are sort of split between documents.
> I wanted to note that in this blog they mention that they don’t make any
> attempt to block routing externally, such that you wouldn’t necessarily
> care to block calls from the default zone back out across DNS because they
> weren’t coming to your enterprise. I am assuming that it is possible to
> configure your search rules to allow this to happen.
>
>
>
> I don’t understand the point of this, other than perhaps you could attempt
> calls through known hosts in case they happened to have some sort of trust
> relationship running, or to try and skirt (or poison) blacklists.
>
>
>
> Is anyone else seeing that type of call attempt? Do you think it’s worth
> trying to reach out to groups that appear to be proxying these calls?
>
>
>
> Best,
>
>
>
> Adam Pawlowski
>
> SUNYAB NCS
>
>
> ___
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> cisco-voip@puck.nether.net
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>
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[cisco-voip] External call attempts to Expressway E

[Pawlowski, Adam]

All,

I know I'd asked here and elsewhere in the past regarding spam calls and call 
setup attempts, which seem to be part of the reality of being on the public 
internet. We see consistent call attempts from our own domain, as well as 
@google.com . More lately, I see them pop up with the from address of what 
appears to be another customer's Expressway E. Not many, but a few.

When I set up CPL on our appliances I had referred initially to this blog post:

https://ciscoshizzle.blogspot.com/2016/05/hardening-your-cisco-vcs-expressway.html

Expressway was new to me and the documentation was (is) not such that you could 
simply open it and understand how to set it all up end to end without going 
through the process as the tasks are sort of split between documents. I wanted 
to note that in this blog they mention that they don't make any attempt to 
block routing externally, such that you wouldn't necessarily care to block 
calls from the default zone back out across DNS because they weren't coming to 
your enterprise. I am assuming that it is possible to configure your search 
rules to allow this to happen.

I don't understand the point of this, other than perhaps you could attempt 
calls through known hosts in case they happened to have some sort of trust 
relationship running, or to try and skirt (or poison) blacklists.

Is anyone else seeing that type of call attempt? Do you think it's worth trying 
to reach out to groups that appear to be proxying these calls?

Best,

Adam Pawlowski
SUNYAB NCS

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Re: [cisco-voip] Cloud registered user manual for room kits

[Pawlowski, Adam]

If someone can figure out the secret of how to find anything on collab help 
please let me know .

There is a page of , say , top articles listed when you select a product , but 
, it otherwise looks like an incoherent jumble to me. I work with manuals 
though so maybe I'm just missing something.

Adam


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Re: [cisco-voip] Cloud registered user manual for room kits

[Anthony Holloway]

Slightly off topic, but are the documents/articles on help.webex.com
organized in any way, or is it a flat structure you just have to search
through?

On Fri, Apr 26, 2019 at 9:04 AM Ryan Ratliff (rratliff) via cisco-voip <
cisco-voip@puck.nether.net> wrote:

> Yes you can dial anything with a SIP URI.
> Two pretty good articles
>
> https://help.webex.com/en-us/zhrr8q/Calling-Capabilities-in-Cisco-Webex-Teams
>
>
> https://help.webex.com/en-us/7ej8gq/Requirements-for-Business-to-Business-B2B-SIP-Calls-To-and-From-the-Cisco-Webex-Cloud
>
> Don’t overlook this very important note.
>
> Cisco Webex Teams users or devices utilizing Cisco Webex Hybrid Call
> Services will have their B2B calling requirements defined by the
> on-premises equipment configuration,
>
> such as Cisco Unified Communications Manager (Unified CM) and Cisco
> Expressway.
>
>
> Ryan Ratliff
> Voice CCIE #16809
> Manager, Cisco Cloud Collaboration TAC
> Standard Business Hours: 8:00AM-5:00PM EDT
> Email: rratl...@cisco.com 
> Office: +1 919-476-2081
> Mobile: +1-919-225-0448
> Cisco U.S. Contact Numbers: +1-800-553-2447 or +1-408-526-7209
>
> On Apr 25, 2019, at 10:14 PM, Lelio Fulgenzi  wrote:
>
>
> Ok. Silly question... is there a separate user guide for cloud registered
> room kits?
>
> Just wondering what options are available vs. on-prem registered.
>
> For example, can I call sip video endpoints /addresses with cloud
> registered room kits out of the box? Or does it depend on back end
> configurations or subscription options?
>
> *-sent from mobile device-*
>
> *Lelio Fulgenzi, B.A.* | Senior Analyst
> Computing and Communications Services | University of Guelph
> Room 037 Animal Science & Nutrition Bldg | 50 Stone Rd E | Guelph, ON |
> N1G 2W1
> 519-824-4120 Ext. 56354 <519-824-4120;56354> | le...@uoguelph.ca
>
>
> www.uoguelph.ca/ccs | @UofGCCS on Instagram, Twitter and Facebook
>
>
> [image: University of Guelph Cornerstone with Improve Life tagline]
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