PaperMC / PaperMC/Velocity

[Feature] Add version blocking that does not support secure-profile

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type: feature
Dominant language
Java
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Avg merge
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Merged PRs (30d)
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Description

force-key-authentication = true

With this config, players should not be able to connect without a secure-profile, but versions below 1.19 can connect to Velocity without a secure-profile.

Add a feature to the config that blocks versions that do not support secure-profile.

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the handling for force-key-authentication and the protocol version negotiation or connection checks. Confirm how secure-profile support is identified for client versions below 1.19. Done means the configuration blocks unsupported versions without a secure-profile while preserving connections from supported versions.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
networking
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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