Hello.
We have a client using Sophos Firewall installed in a VM. (Firmware 17.5.12)
They are have expired SSL CA Certificate and when they applied new SSL CA Certificate, it shows error and VPN users unable to connect.
So, now they are using expired certificate no avoid any connection issue for VPN users.
We did upgraded the firmware to 19.5.2 to get support from Sophos Team but more issues arise for our clients.
So, they roll back the firmware to 17.5.12. I have emailed Sophos Support same question as below, but they only replied with this link
https://support.sophos.com/support/s/article/KB-000035279?language=en_US
which did not help us to explain to our client.
Questions as below:
1. On Firmware 19.5.2, they unable to create new VPN user. Can we know the root cause?
2. On Firmware 19.5.2, some existing users have issue with Remote access VPN. Can we know the root cause?
3. On Firmware 17.5.12, user side now using expired SSL CA Certificate and have no issue.
Is there any potential issues arise if users continue to utilize the expired SSL CA Certificate in the future?
4. How long can user utilize the expired SSL CA Certificate without replacing with new certificate?
Thank you.
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