UPS returns 403 Not Found Error

A couple of my sites that use UPS as their shipping gateway have begun to get complaints from customers that they cannot check out.When we looked in the error logs, we found

>> DESCRIPTION:
UPS - Error: The remote server returned an error: (403) Forbidden.

After searching online, we found this post https://www.nopcommerce.com/boards/t/49695/ups-shipping-plugin-error-403-forbidden.aspx
which explains that UPS is transitioning to use only TLS 1.2

I suppose that the UPS dll needs to be updated to match the new standard.

Thank you for your assistance

Author	Message
SAbow	Posted Mon 11 Dec 2017
Supreme Being Group: Forum Members Last Active: Tue 2 Feb 2021 Posts: 77, Visits: 334 38,981	A couple of my sites that use UPS as their shipping gateway have begun to get complaints from customers that they cannot check out.When we looked in the error logs, we found >> DESCRIPTION: UPS - Error: The remote server returned an error: (403) Forbidden. After searching online, we found this post https://www.nopcommerce.com/boards/t/49695/ups-shipping-plugin-error-403-forbidden.aspx which explains that UPS is transitioning to use only TLS 1.2 I suppose that the UPS dll needs to be updated to match the new standard. Thank you for your assistance Tags UPS 403 dll
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Paul	Posted Wed 13 Dec 2017
große Käse Group: Administrators Last Active: Fri 15 Sep 2023 Posts: 806, Visits: 2,737 449,860	Have recompiled the DLL as .NET 4.5.2, with TLS1.2 specified for secure connections. Can you see if this works. -- If my post solves your issue, can you 'Mark as Answer' so it's easier for other users to find in future. If you would like to be informed of new features, new releases, developments and occasional special bonuses, please sign up to our mailing list: http://bit.ly/19sKMZb Attachments Ups.zip (2 views, 8.96 KB)
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SAbow	Posted Wed 13 Dec 2017
Supreme Being Group: Forum Members Last Active: Tue 2 Feb 2021 Posts: 77, Visits: 334 38,981	We're still getting 403 from UPS sporadically...
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Paul	Posted Thu 14 Dec 2017
große Käse Group: Administrators Last Active: Fri 15 Sep 2023 Posts: 806, Visits: 2,737 449,860	I was a bit skeptical the issue was TLS related, because if that were the case, everything should fail. It doesn't seem likely that they'd role out this requirement partially even if they have multiple servers dealing with requests. The TLS issue was addressed in the new plugin, we've seen this code work with paypal and others, so fairly certain that code is ok. Sporadic errors suggests it's probably not an issue with the code itself, but some kind of intermittent error with the server or connection. -- If my post solves your issue, can you 'Mark as Answer' so it's easier for other users to find in future. If you would like to be informed of new features, new releases, developments and occasional special bonuses, please sign up to our mailing list: http://bit.ly/19sKMZb
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SAbow	Posted Thu 14 Dec 2017
Supreme Being Group: Forum Members Last Active: Tue 2 Feb 2021 Posts: 77, Visits: 334 38,981	Actually I have 3 customers using kartris on 3 separate servers, and all three complaining of UPS shipping issues lately, and their logs are full of intermittent 403 errors... even though 9/10 times I do get rates on the screen at checkout. After doing some searching, I found this on UPS's own site: https://www.ups.com/us/en/help-center/technology-support/data-security.page and they actually mention intermittent errors... what else can be the issue? Edited Thu 14 Dec 2017 by SAbow
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SAbow	Posted Mon 1 Jan 2018
Supreme Being Group: Forum Members Last Active: Tue 2 Feb 2021 Posts: 77, Visits: 334 38,981	Were you able to come up with anything yet?
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mparker	Posted Fri 5 Jan 2018
Supreme Being Group: Forum Members Last Active: Thu 25 Jan 2018 Posts: 6, Visits: 19 2,879	I fixed this by adding the following code within the Application_Start() sub of the Global.asax Try System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls12 Catch End Try
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UPS returns 403 Not Found Error

UPS returns 403 Not Found Error

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