openai/codex · error · anyhow::Error

failed to start managed network proxy: {err}

Error message

failed to start managed network proxy: {err}

What it means

Error "failed to start managed network proxy: {err}" thrown in openai/codex.

Source

Thrown at codex-rs/cli/src/debug_sandbox.rs:358

    #[cfg(target_os = "macos")]
    let mut denial_logger = log_denials.then(DenialLogger::new).flatten();
    #[cfg(not(target_os = "macos"))]
    let _ = log_denials;

    let managed_network_requirements_enabled = config.managed_network_requirements_enabled();

    // This proxy should only live for the lifetime of the child process.
    let network_proxy = match config.permissions.network.as_ref() {
        Some(spec) => Some(
            spec.start_proxy(
                &permission_profile,
                /*policy_decider*/ None,
                /*blocked_request_observer*/ None,
                managed_network_requirements_enabled,
                NetworkProxyAuditMetadata::default(),
            )
            .await
            .map_err(|err| anyhow::anyhow!("failed to start managed network proxy: {err}"))?,
        ),
        None => None,
    };
    let network = network_proxy
        .as_ref()
        .map(codex_core::config::StartedNetworkProxy::proxy);
    // Proxy containment depends on whether a proxy is active, not whether its
    // policy came from managed requirements.
    let enforce_managed_network = network.is_some();
    let managed_mitm_ca_trust_bundle_path = match network.as_ref() {
        Some(network) => network.managed_mitm_ca_trust_bundle_path(),
        None => None,
    };
    let runtime_permission_profile = with_managed_mitm_ca_readable_root(
        permission_profile,
        managed_mitm_ca_trust_bundle_path.as_ref(),
        sandbox_policy_cwd.as_path(),
    );

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/cli/src/debug_sandbox.rs:358 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of openai/codex@339751715c (2026-08-25). Data as JSON: /api/errors/654ee762a0d81b74. Report an issue: GitHub.