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HomeDocsClaude Documentation 20 Oct 2026
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Use Claude Science on a corporate network changedclaude-science/corporate-networks

Nearest release: v2.1.306, published 2 hours after upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Upstream edited this page at 20 Oct 2026 23:47 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 21 Oct 2026 00:07 UTC.

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192192### Corporate root for app connections
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194The `[network] ca_bundle` key in `config.toml` points at a PEM file whose certificates Claude Science adds to its default trust for sign-in, the Claude API, Anthropic-hosted connectors, update checks, and [cloud storage](/docs/claude-science/cloud-storage) access from Settings. On a Mac where Claude Science opens in its own window, the app's own updates use the certificates that macOS trusts instead (see [Proxy and certificates for updates in the Mac app window](#proxy-and-certificates-for-updates-in-the-mac-app-window)). For cloud storage, the corporate root applies to Amazon S3 and S3-compatible connections, and to Google Cloud Storage connections that use an HMAC key. The public roots stay in place, so the file holds only your corporate root. The path rules are in the [configuration file reference](/docs/claude-science/configuration-file-reference#app-connection-keys). A failing value is ignored with a warning rather than stopping the app, so a sign-in error behind inspection usually means the bundle did not load, and the app re-reads the bundle every few minutes (about every 30 minutes on Windows), so a corrected file takes effect without a restart. When you deploy a `config.toml`, deploy the bundle files alongside it.
194The `[network] ca_bundle` key in `config.toml` points at a PEM file whose certificates Claude Science adds to its default trust for sign-in, the Claude API, Anthropic-hosted connectors, update checks, and [cloud storage](/docs/claude-science/cloud-storage) access from Settings. On a Mac where Claude Science opens in its own window, the app's own updates use the certificates that macOS trusts instead (see [Proxy and certificates for updates in the Mac app window](#proxy-and-certificates-for-updates-in-the-mac-app-window)). For cloud storage, the corporate root applies to Amazon S3 and S3-compatible connections, to Azure Blob Storage connections, and to Google Cloud Storage connections. The public roots stay in place, so the file holds only your corporate root. The path rules are in the [configuration file reference](/docs/claude-science/configuration-file-reference#app-connection-keys). A failing value is ignored with a warning rather than stopping the app, so a sign-in error behind inspection usually means the bundle did not load, and the app re-reads the bundle every few minutes (about every 30 minutes on Windows), so a corrected file takes effect without a restart. When you deploy a `config.toml`, deploy the bundle files alongside it.
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196196On Windows, when neither `[network] ca_bundle` nor `[conda] ca_bundle` (the **CA bundle path** field in **Settings**) is set, Claude Science automatically trusts the root certificates installed for the whole computer (the computer's **Trusted Root Certification Authorities** store, not the current user's) and rechecks that store about every 30 minutes, so a PC whose device management already installs your corporate root there needs no setting. Claude Science reads that store with Windows PowerShell, so on PCs where Windows PowerShell is blocked or restricted for users, set `[network] ca_bundle` for the app's own connections and `[conda] ca_bundle` for code inside sessions instead of relying on the store. If you do set `[network] ca_bundle` on Windows, the file is used instead of the store; write its path in single quotes, for example `'C:\ProgramData\corp\corporate-ca.pem'`, because a backslash inside double quotes is a TOML escape and a file that fails to parse stops Claude Science from starting.
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