Issue
- You are unable to log in to the ESET PROTECT Web Console after the migration from ESET PROTECT Virtual Appliance (CentOS) to ESET PROTECT Virtual Appliance (Rocky Linux)
Details
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It has been reported that users are unable to log in to the ESET PROTECT Web Console after they migrated from an old ESET PROTECT Virtual Appliance (CentOS) to a new ESET PROTECT Virtual Appliance (Rocky Linux) that still uses certificates issued by SHA1 Certificate Authority (CA).
This is caused by the blocked communication of the Apache Tomcat/ESET PROTECT Web Console with the ESET PROTECT Server service, indicated by the "Login failed: Communication error" message.
Solution
If you migrate to a new ESET PROTECT Virtual Appliance, you cannot log in to the ESET PROTECT Web Console until a new SHA2 certificate is issued. However, this is not possible until the security of the whole operating system is decreased by allowing SHA1.
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To allow SHA1 on the new ESET PROTECT Virtual Appliance, run the following command and then restart the operating system.
update-crypto-policies --set DEFAULT:SHA1 -
Log in to your ESET PROTECT Web Console.
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Enable Advanced security and restart the ESET PROTECT Server service. Create a new SHA2 CA and sign a server certificate with the new SHA2 CA.
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Wait until the public part of the newly created SHA2 CA is replicated to all ESET Management Agents and then change the Server certificate to a new SHA2 Server certificate.
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To disable SHA1 and return to the previous cryptographic policy, run the following command:
update-crypto-policies --set DEFAULT - Restart the operating system.
