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The request was aborted: Could not create SSL/TLS secure channel - TLS 1.3 & WebRequest

ŁukaszKiciak
Level 5

Hi guys,

I'm struggling with a HTTP request, which needs TLS 1.3.

Yesterday the ECB changed its TLS from 1.2 to 1.3 ( SSL Server Test: www.ecb.europa.eu (Powered by Qualys SSL Labs) ) and currently when I'm trying to execute a request receiving an error: 'The request was aborted: Could not create SSL/TLS secure channel.'

I have tried to add:
System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls13

but without success, a new error appears: ''The underlying connection was closed''

I would like to avoid skipping checking a certificate.

Does any of you have any experience with TLS 1.3 and WebRequest class?

Thanks for any bit of advice!

Best,
L



------------------------------
Łukasz Kiciak
RPA Developer
UI
Europe/London
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1 REPLY 1

sourabh.das
Level 2

@BluePrism  Any update on this we are facing similar issues