--- title: Troubleshooting firewall settings for GitHub Copilot intro: Troubleshooting help for firewall-related errors. product: '{% data reusables.gated-features.copilot %}' topics: - Copilot - Troubleshooting - Networking versions: feature: copilot shortTitle: Connectivity security settings --- ## About the problem If you or your company uses a firewall, {% data variables.product.prodname_copilot_short %} may not function as expected. {% data variables.product.prodname_copilot_short %} interacts with a remote machine learning model and checks for updates, and a firewall may block important traffic and degrade the user experience. ## Solving the problem For an optimal {% data variables.product.prodname_copilot_short %} experience, you should create an "allowlist" that lets certain URLs, ports, and protocols through your firewall. See [AUTOTITLE](/copilot/managing-copilot/managing-github-copilot-in-your-organization/configuring-your-proxy-server-or-firewall-for-copilot).