[OpenSER-Devel] 473 destination filtered

[Christian Schlatter]

Anshuman,

Anshuman S. Rawat wrote:
> Hi All,
> 
> We have recently installed an openSER for internal use and are looking 
> at some '473 destination filtered' error responses for INVITEs and 
> SUBSCRIBEs. I haven't looked in detail at sources yet but from the 
> header file I can see that 473 error response corresponds to some ' 
> E_IP_BLOCKED' error condition.
> 
> Anyone who can help me understand what this error condition means?

Openser 1.2 generates a 473 error in case all target destinations are 
temporarily black-listed. You can disable this behavior with

disable_dns_blacklist=yes

DNS black-listing is further described at:
http://www.openser.org/dokuwiki/doku.php/core-cookbook:1.2.x#disable_dns_blacklist


/Christian

> Thanks,
> Anshuman
> 
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