{"version":"2.1.242","anchor":"sandboxed-sessions-are-told-network-traffic-goes-through-a-f","canonical_anchor":"sandboxed-sessions-are-told-network-traffic-goes-through-a-f","heading":"Sandboxed sessions are told network traffic goes through a filtering proxy","tier":"notice","area":"Sandbox","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.242\/e\/sandboxed-sessions-are-told-network-traffic-goes-through-a-f","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.242","markdown":"### Sandboxed sessions are told network traffic goes through a filtering proxy\n\nIn a proxied sandbox Claude is told to try requests and read errors rather than guess reachability.\n\n**What**\n\nWhen a sandbox is configured with an egress proxy, the model is now told to just attempt a request and read the error rather than guess what is reachable, and pointed at the sandbox violations block for details.\n\n**Details**\n\n- Only added when the proxy configuration is present and non-empty; sandboxes without one see the previous preamble.\n\n**Evidence**\n\n`Network egress goes through a filtering proxy.`\n\n- Area: Sandbox\n- Tier: You'll notice\n- Useful: 2\/5\n- Signal: 2\/5"}