[BUG] Invalid network egress settings Co Work

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

Invalid network egress settings
Some hostname patterns aren't valid and will be skipped. Fix or remove them in Settings.

View details
: Invalid domain pattern. Must be a valid domain (e.g., "example.com") or wildcard (e.g., ".example.com"). Overly broad patterns like ".com" or "" are not allowed for security reasons.

What Should Happen?

Invalid network egress settings
Some hostname patterns aren't valid and will be skipped. Fix or remove them in Settings.

View details
: Invalid domain pattern. Must be a valid domain (e.g., "example.com") or wildcard (e.g., ".example.com"). Overly broad patterns like ".com" or "" are not allowed for security reasons.

Error Messages/Logs

Steps to Reproduce

Invalid network egress settings
Some hostname patterns aren't valid and will be skipped. Fix or remove them in Settings.

View details
: Invalid domain pattern. Must be a valid domain (e.g., "example.com") or wildcard (e.g., ".example.com"). Overly broad patterns like ".com" or "" are not allowed for security reasons.

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

claude desktop cowork

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_