isValidIPv4 only returns 1 on invalid hostnames, but not invalid IPv4 addresses

[TrevorBenson]

Describe the bug It appears that isValidIPv4 attempts to do both IPv4 validation and hostname/domainname validation. This causes almost any string to be valid, even IPv4 addresses. The only invalid values appear to be domain names that contain invalid characters like @,:? for example.

Expected behavior isValidIPv4 should return 1 on invalid IPv4 addresses.

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Version:

• OS: Debian slim
• Product version: v13.2.2