perfsonar / perfsonar/toolkit

Reconsider Opening TCP+UDP for all ports

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#482 1 comment 0 reactions 0 assignees View on GitHub

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bug
Dominant language
JavaScript
Stars
37
Forks
7
PR merge metrics
No merged PRs in 30d

Description

Configure_firewall opens both the TCP and UDP ports for each port range whether there's a service listening there or not. It should probably do one or the other.

See: https://github.com/perfsonar/toolkit/blob/2afce7ca5652cb7964bb833d96ece99ec955a7da/toolkit/perfsonar-toolkit/scripts/configure_firewall#L194

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 with toolkit/perfsonar-toolkit/scripts/configure_firewall at the referenced line 194 and trace how each port range is handled. Determine how the script should identify the needed protocol, then verify that the firewall opens only the applicable TCP or UDP ports rather than both.

Written by the indexing model from the issue text.

Assessment

Domain
networking
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
50/100

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