Per KB# 145293, Foglight 5.6.x comes with Java 1.6 which currently supports only TLS 1.0.
TLS 1.1 and TLS 1.2 are supported within Java 1.7.
Foglight 5.7.x comes with Java 1.7.
Use Webmonitor 220.127.116.11. This also would require upgrading the FglAM to a supported version as well.
Click here for more information.
The system's requirements for WebMonitor version 18.104.22.168 - per the release notes:
1- FMS server needs to be at least at version 5.6.5
2- FGLAM version needs to be at 5.7.0 or higher. Please validate or upgrade in a way to make sure that it stays supported with your FMS version. See 5.7.1 Release Notes