[Firewall Test] Escape test failed

## Firewall Escape Test Failure

**Workflow Run:** https://github.com/github/gh-aw/actions/runs/33293129175

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 logs for the firewall escape test and determine whether a forbidden domain was reachable, an allowed domain was blocked, or file operations failed. Trace the reported failure to its relevant workflow or test entry point. Done means the underlying issue is corrected and the firewall escape test passes.

Written by the indexing model from the issue text.