sandbox.network.deniedDomains
A Claude Code settings key, read out of the shipped bundle. No mined inventory carries it: everything below comes from what this site has written about it.
Block domains for sandboxed commands, even inside an allowed wildcard
Anthropic's own wording. Read off All settings, captured 2026-09-28.
In the changelogs
3Releases whose published page names sandbox.network.deniedDomains.
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v2.1.284
Sandbox blocked-website rules now catch other spellings of the same host
deniedDomainsrules now also match a host written another way, such as a different IP address spelling or a trailing dotnamed in this entry, found in this entry's text
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v2.1.224
Sandbox network rules can specify a port
Sandbox allow and deny rules can now target a specific port instead of the whole host.
found in this entry's text
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v2.1.195
Monitor Tool WebSocket Support
found in this entry's text
First cited
1The earliest release whose published evidence quoted sandbox.network.deniedDomains was v2.1.284, 28 Sep 2026. That is the oldest release this project wrote about it, so it is a floor on the name's age and not the release that introduced it. It is not a presence reading: which builds carried the name is the table below.
Presence across releases
0The miner has never read a build containing this name. It is here because a changelog entry of ours names it, which is evidence that it existed and not evidence of which releases carried it. The inventory starts at v2.1.138 and everything older than that was never mined.
Read out of the published npm bundle release by release, and out of Anthropic's own documentation as this site captured it. Nothing on this page is a description anybody here wrote about what the settings key does. All settings keys.