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Re: [sipcore] Enabling the wildcard certificates for SIP TLS implementation

Simon MORLAT <simon.morlat@gmail.com> Tue, 11 August 2020 08:44 UTC

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From: Simon MORLAT <simon.morlat@gmail.com>
Date: Tue, 11 Aug 2020 10:43:56 +0200
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To: Roman Shpount <roman@telurix.com>
Cc: "Olle E. Johansson" <oej@edvina.net>, SIPCORE <sipcore@ietf.org>, Leonid Fainshtein <leonid.fainshtein@xorcom.com>
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Subject: Re: [sipcore] Enabling the wildcard certificates for SIP TLS implementation
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Hi,

Thank you for all your answers, this is very helpful.
I did not know RFC 6125. Based on these considerations, I would say that
wildcard certificates will probably disappear for all applications in the
next few years.

Best regards,

Simon


Le lun. 10 août 2020 à 20:12, Roman Shpount <roman@telurix.com> a écrit :

>
> On Mon, Aug 10, 2020 at 11:04 AM Olle E. Johansson <oej@edvina.net> wrote:
>
>> I found documentation in RFC 6125 from the “Using TLS in applications”
>> working group.
>> https://tools.ietf.org/html/rfc6125#section-7.2
>>
>
> This section essentially says why wildcard certificates must not be used
> and can only be supported for legacy applications. Not supporting wildcard
> certificates does create a certain degree of pain but given security risks
> should continue to be avoided.
>
> Changes are done by publishing a new RFC, not with Errata. That will open
>> up a whole can of worms, but we need to open it
>> and specify how SIP over TLS should work. Like the "transport=TLS” stuff
>> and deprecating “SIPS:”.
>>
>>
> One thing I've wanted for a long time is an extension which allows to
> multiplex several DTLS connections over the same protocol/address/port
> pair. This will allow to replicate all the current SIP over UDP deployment
> scenarios using a secure protocol. Once this is available, I would
> participate or author an RFC.
>
> Best Regards,
> _____________
> Roman Shpount
>

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