"The client and server don't support a common SSL protocol version or cipher suite" error.
"The client and server don't support a common SSL protocol version or cipher suite" error occurs whenever I try to access the TP-Link Router management web interface. PLease help.
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Hi,
Try using another web browser. (Firefox, Internet Explorer, Edge, Chrome, Opera, etc.)
In case you manage to log into the router with another browser, then check if there is a newer firmware version available that you can upgrade your router to.
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Thank you. I solved the problem myself anyways. I enabled TLS 1.0 and 1.1 in Windows "Internet Options settings" and reloaded the router web interface in Internet explorer mode within Microsoft Edge. And then I disabled HTTPS in administrator settings.
Btw, the following is the Software and hardware version of my router:
Following is showing up under firmware upgrade page at official website:
Is there an update available? If yes, which one should I download? I am confused on determining the update availability. My region is India
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There is a slightly newer version for the C20(EU) listed on the Worldwide webpage, but it doesn't mention anything about supporting a newer TLS version. You could still try it, though. Sometimes the Release Notes aren't very detailed about the changes that were made.
https://www.tp-link.com/en/support/download/archer-c20/#Firmware
If the latest firmware still doesn't support a newer TLS version, then you will have to keep using one of the two workarounds you've mentioned.
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