Werk #15617: KUBE: Improve Validation of URLs

Component	Checks & agents
Title	KUBE: Improve Validation of URLs
Date	May 24, 2023
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.3.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT 2.2.0p1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

With this Werk, the rule Kubernetes will validate URLs more stringently. Specifically, the rules of RFC 3986 are applied. Some examples of URLs, which would previously be allowed:

• http://::1
• http://localhost!:8080
• http://:8080

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