[cisco-voip] tcp/8088

Wes Sisk wsisk at cisco.com
Tue Mar 23 17:01:44 EDT 2010


Hmm, 8088 was the port associated with IPPhone Agent service.  Phones 
now figure out appropriate URL based on configuration; they don't follow 
the URLs provided in the config file directly.  See CSCtc19931.

/Wes

On Tuesday, March 23, 2010 4:38:09 PM, Ed Leatherman 
<ealeatherman at gmail.com> wrote:
> URL's all look "correct" in the xml file.
>
> Think I found the problem, Ryan was right at first I believe.
>
> I was able to get a packet cap of a phone trying to initiate this
> connection, and directly before that it had a voice mail left to it,
> and Unity tried to initiate the phone view operation on the phone.
> Phone sent an auth request to the auth URL, it was denied, and in the
> reply back the authentication server specified a URL http://pub:8088.
> The phone immediately tried to connect to port 8088 on the publisher.
> Pub replied with a Reset packet and then ignored further attempts to
> connect.
>
> We've had IPCC setup as the authentication server for awhile now, IIRC
> in the past we had to have this setup for IP Phone Agent to work
> properly. Perhaps this is no longer the case.
>
> 2 questions i'm going to have to figure out - A) can I switch the auth
> URL back to the normal one for the publisher and not break anything,
> and B) why did Unity try to initiate phone view, when the
> phone/account isn't setup for that feature.
>
> Thanks for all the suggestions everyone.
>
> On Tue, Mar 23, 2010 at 10:30 AM, Wes Sisk <wsisk at cisco.com> wrote:
>   
>> Ed,
>>
>> You might fetch the phone's config file manually and check the URL's
>> provided to the phones in the config file.
>>
>> tftp -i <cm_tftp> get SEP<mac>.cnf.xml
>>
>> /Wes
>>
>> On Monday, March 22, 2010 2:42:40 PM, Ed Leatherman <ealeatherman at gmail.com>
>> wrote:
>>
>> I got a RSPAN on one of the phones that had a number of hits on the
>> ACL earlier today - maybe I can catch it in the act. Only service
>> provisioned on the phone is FastDials, which is pointing at <pub
>> IP>:8080.
>>
>> On Mon, Mar 22, 2010 at 1:45 PM, Wes Sisk <wsisk at cisco.com> wrote:
>>
>>
>> I don't believe port 8088 is open in the firewall by default.  I also don't
>> see anything listening on 8088.
>>
>>
>>
>>
>>
>>     
>
>
>
>   

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