Sinch Scheduled Maintenance - Security Enhancement EU1

Scheduled Maintenance Report for Sinch

Completed

The scheduled maintenance has been completed.
Posted Apr 27, 2022 - 03:00 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Apr 27, 2022 - 01:00 UTC

Scheduled

Dear Client,
We are reaching out to inform you that as part of our continuous efforts to improve the security and reliability of our services, we will be disabling weak and insecure cipher suites that are accepted as part of TLS 1.2 handshake and Disable support for SSLv3, TLS 1.0, TLS 1.1. Enable only TLS 1.2.

Affected site: EU1

Start Time: 2022-04-27 01:00 UTC
End Time: 2022-04-27 03:00 UTC

FQDN :
eu1.sms.api.sinch.com
sms.api.sinch.com
eu.sms.api.sinch.com
api-eu1.clxcommunications.com
sms.dialogue.co.uk
sendmsg.dialogue.net
sms.dialogue.co.uk

Impact: Clients need to make sure there is no dependency on their applications on ciphers and TLS version that are not listed here.

These are the ciphers that will be allowed.

ECDHE-ECDSA-AES256-GCM-SHA384
ECDHE-RSA-AES256-GCM-SHA384
ECDHE-ECDSA-CHACHA20-POLY1305
ECDHE-RSA-CHACHA20-POLY1305
DHE-RSA-AES256-GCM-SHA384

These are the TLS version that only will be allowed.

TLS 1.2

In case you need further information, please contact technical support at support@sinch.com.
Sincerely,
Sinch
Posted Apr 11, 2022 - 07:11 UTC
This scheduled maintenance affected: Messaging APIs (REST - EU).
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