What should I do if I got a certificate error?

User Application Requirement
Updated 04-18-2025 22:22:25 PM Number of views for this article165345
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Part 1: For EAP and CPE web management interface

When try to visit the web interface via https in Chrome, such as the web interface of EAP/Omada Controller or Pharos CPE Series, it said server’s certificate is not trusted.

A picture indicates the warning about certificate error.

The certificate verifies the server’s identity and secures communication with the user. A warning may appear if the certificate is not trusted (e.g., self-signed, expired, or mismatched), even if the server’s IP address is correct. Since you are accessing the device’s management page, this warning does not indicate a security risk, and you can proceed without concern.

Here are two examples for how to get through the certificate error when it occurred on TP-Link products.

1. Get through Certificate error on Chrome

Click on Advanced - Proceed to 10.0.0.254 (unsafe), the web interface of EAP/Omada Controller will show up.

The screenshot of details of certificate error and guidance to the "Advanced" button

Picture indicates the location of "Proceed to 10.0.0.254(unsafe)"

2. Get through Certificate error on Internet Explorer

While in Internet Explorer, you can just click on Continue to this website (not recommended) to visit the web interface.

The picture shows the location of "Continue to this website (not recommended)" button

Part 2: For EAP/Omada controller

For the EAP devices, its certificate can’t be changed; while for the EAP/Omada controller, you can manually import your own certificate if you have one.

Here are the instructions:

1. Disable the EAP/Omada controller on your computer.

2. Copy your keystore file (such as keystore.jks file) into the “keystore” folder of the EAP/Omada controller’s installation path.

3. Enter the “properties” folder of EAP/Omada controller installation path, edit the “jetty.properties” file.

4. Find the scripts below:

ssl.key.store.password=tplink

ssl.manager.password=tplink

ssl.trust.store.password=tplink

key.store.path=/keystore/eap.keystore

trust.store.path=/keystore/eap.keystore

5. Replace the scripts above with new scripts as below:

ssl.key.store.password= the storepass of your own certificate

ssl.manager.password= the keypass of your own certificate

ssl.trust.store.password= the storepass of your own certificate

key.store.path=/keystore/keystore.jks(your keystore file)

trust.store.path=/keystore/keystore.jks(your keystore file)

6. Launch the EAP controller, then you can use your domain name according to your certificate to visit the controller, such as https://hostname:8043, please note that the IP of hostname should be the IP of the controller PC.

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