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Re: [Linphone-developers] Linphone error "Could not start tls transport

From: Saumar Hajjar
Subject: Re: [Linphone-developers] Linphone error "Could not start tls transport on port"
Date: Thu, 10 Apr 2014 23:45:41 -0300
User-agent: Mozilla/5.0 (Windows NT 5.1; rv:24.0) Gecko/20100101 Thunderbird/24.4.0

I don't know Linphone team reasons to drop OpenSSL, but this would be a very fair one: The Heartbleed Bug

Em 10/4/2014 17:56, KheOps escreveu:
Hash: SHA1

On Thu, Apr 10, 2014 at 10:39:42PM +0200, Neteru wrote:
Hi thanks for your quick response. I use indeed the wonderful
"ArchLinux" with Linphone version 3.7.0.
Why is OpenSSL dropped? And why PolarSSL?
As far as I understood, this seems to be due to a lack of trust that the
Linphone team has towards OpenSSL.

However, I did not see any official statement or justification from the
team to explain the move. This seems to me a fairly important choice in
terms of security, so it may have been good to have a few lines in a
ChangeLog or something.

Does this mean that Linphone
is now broken on my system. I don't use Encryption for linphone cause I
only call to land lines.
I don't know. When I upgrade to 3.7.0 and noticed that TLS was broken, I
had to to change my account transport to TCP, because obviously TLS did
not work.

Apart from losing TLS encryption, Linphone continued to work fine for

I will try to follow the steps that you have provided in your link:
Feel free to ask!


On 04/10/2014 10:12 PM, KheOps wrote:
On Thu, Apr 10, 2014 at 10:08:33PM +0200, Neteru wrote:
Hi there,

First I want to say I'm a happy linphone user for many years. I never
had any problems with linphone. But after some update every time when
linphone starts I get this error message "Could not start tls transport
on port" this is some random port range. Now when I use linphone to call
then nobody can hear me anymore on the other side. How can this please
be fixed?
In case you use ArchLinux: I got the same symptom after updating to
Linphone 3.7.0 from 3.6.1. This is due to Linphone dropping OpenSSL
support in 3.7.0 and using PolarSSL instead. However, PolarSSL is not
supported in the official ArchLinux repo, impliyng that the updated
version of Linphone lost TLS support.

In case your situation is the same, you may be interested in the post I
wrote on how I solved the issue:


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