Re: Use TLS1.2 on CentOS? Mono4.8+

Brandon Perry <[email protected]> Mon, 12 Jun 2017 15:38:13 -0500

Newsgroups	gmane.comp.gnome.mono.devel
Message-ID	<[email protected]>

> On Jun 12, 2017, at 3:19 PM, trollanderson <[email protected]> wrote:
> 
> Hi,
> 
> I'm trying to use Mono to consume a webservice, however I'm getting error
> messages like "No such TLS Provider" and "TLS Support not available" ...
> I have already tested with version 4.8 and 5.0 of mono, but I can not enable
> TLS1.2 usage in CentOS 6.8 / 6.9
> 
> I also did the following test: MONO_TLS_PROVIDER = btls csharp -e 'new
> System.Net.WebClient () .DownloadString ("https://www.howsmyssl.com/")' |
> Grep "TLS 1.2"
> 
> Same mistake…

In order to make this work on CentOS, I instead opted to use a squid proxy with ssl-bump to terminate SSL on the server, and to negotiate a TLS 1.2 connection to the external server.

It’s a crappy solution, but it will work regardless of Mono’s support for TLS 1.2, and when SSL is fixed and deployable, it’s easy to remove. Using it on a localhost introduces little if any latency.

> 
> 
> 
> --
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