Re: [Kamailio-Users] disable_dns_blacklist - sr-users

18 Jun 2009

After the second attempt that Kamailio sends a call towards an ip address and gets
a negative sip response say 503, kamailio will block that ip route for approx 4
minutes and sends 401 unauthorized immediately to the sip client. That ip route can be a
gateway which is sending a negative reponse for certain destinations only and this may be
due to a problem which is  beyond the gateway itself; so I want to avoid blocking the
complete route automatically.

It appears that, in version 1.5 the route gets blocked for a longer period.

Appreciate any help.

Thanks,

Karl

--- On Thu, 18/6/09, Iñaki Baz Castillo &lt;ibc(a)aliax.net&gt; wrote:

From: Iñaki Baz Castillo &lt;ibc(a)aliax.net&gt;
Subject: Re: [Kamailio-Users] disable_dns_blacklist
To: 
Cc: users(a)lists.kamailio.org
Date: Thursday, 18 June, 2009, 3:07 PM

2009/6/18 Karl Smith &lt;sipware(a)yahoo.co.uk&gt;uk>:
...
  Hi,

 I have always used the global setting disable_dns_blacklist=yes so as to
 avoid openser from temporarily blocking a particular route that may return a
 negative sip response such as 503.

 I am now planning a migration to kamailio but the feature does not seem to
 be working. I have tried both kamailio 1.4 and also 1.5. 
Since Kamailio 1.4 (perhaps since OpenSer 1.3) this option is
dissabled by default (disable_dns_blacklist=yes).

What do you mean with "it doesn't work"?

-- 
Iñaki Baz Castillo
&lt;ibc(a)aliax.net&gt;

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