[Firewall Test] Escape test failed

## Firewall Escape Test Failure

**Workflow Run:** https://github.com/github/gh-aw/actions/runs/35056911839

The firewall escape test detected an issue. Please review the workflow logs for details.

### Possible Issues
- A forbidden domain was accessible (firewall escape vulnerability)
- An allowed domain was blocked unexpectedly
- File operations failed

Start with the linked workflow run and inspect the firewall escape test logs to determine whether a forbidden domain was reachable, an allowed domain was blocked, or file operations failed. Done means the identified firewall test failure is resolved and the relevant access or file-operation checks pass.

Written by the indexing model from the issue text.