Werk #5516: cmk-update-agent: Catch HTTPS redirect

Component Agent bakery
Title cmk-update-agent: Catch HTTPS redirect
Date Oct 22, 2018
Checkmk Edition Checkmk Enterprise (CEE)
Checkmk Version 1.5.0p8 1.6.0b1
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

A communication between the Agent Updater and the Check_MK-Server won't succeed if the communication protocol is configured to HTTP while the server enforces HTTPS. The reason is that the POST data sent by the Agent Updater will be lost on the redirect.

So far, this is normal HTTP behavior. Nonetheless, the Agent Updater now handles this situation by detecting the redirect and directly sending its data via (unverified) HTTPS.

A warning will therefore be displayed to the user respectively written to log.

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