upcoming: [DPS-36578] - Custom HTTPS form - additional validation

[mduda-akamai]

Description 📝

Add validation for Endpoint URL and Custom Header Name fields in the Create Destination form

Changes 🔄

• Endpoint URL: must be a valid URL
• Custom Header Name forbidden values: Content-Type, Encoding, Authorization, Host, Akamai

Scope 🚢

Upon production release, changes in this PR will be visible to:

• Some customers (e.g. in Beta or Limited Availability)

Target release date 🗓️

March 2026

How to test 🧪

Prerequisites

• Set aclpLogs.customHttpsEnabled and aclpLogs.enabled flags to true

Verification steps

• In logs/delivery/streams/create or logs/delivery/destinations/create choose Custom HTTPS destination
• Check if Endpoint URL and custom header's Name fields have proper validation

Author Checklists

As an Author, to speed up the review process, I considered 🤔

👀 Doing a self review
❔ Our contribution guidelines
🤏 Splitting feature into small PRs
➕ Adding a changeset

• I have read and considered all applicable items listed above.

As an Author, before moving this PR from Draft to Open, I confirmed ✅

• All tests and CI checks are passing
• TypeScript compilation succeeded without errors
• Code passes all linting rules

[linode-gh-bot]

Cloud Manager UI test results

🎉 866 passing tests on test run #2 ↗︎

❌ Failing	✅ Passing	↪️ Skipped	🕐 Duration
0 Failing	866 Passing	11 Skipped	36m 48s