openai/codex · error · std::io::Error

network proxy constraints are invalid: {err}

Error message

network proxy constraints are invalid: {err}

What it means

Error "network proxy constraints are invalid: {err}" thrown in openai/codex.

Source

Thrown at codex-rs/core/src/config/network_proxy_spec.rs:121

        requirements: Option<NetworkConstraints>,
        permission_profile: &PermissionProfile,
    ) -> std::io::Result<Self> {
        let base_config = config.clone();
        let hard_deny_allowlist_misses = requirements
            .as_ref()
            .is_some_and(Self::managed_allowed_domains_only);
        let (config, constraints) = if let Some(requirements) = requirements.as_ref() {
            Self::apply_requirements(
                config,
                requirements,
                permission_profile,
                hard_deny_allowlist_misses,
            )
        } else {
            (config, NetworkProxyConstraints::default())
        };
        validate_policy_against_constraints(&config, &constraints).map_err(|err| {
            std::io::Error::new(
                std::io::ErrorKind::InvalidInput,
                format!("network proxy constraints are invalid: {err}"),
            )
        })?;
        Ok(Self {
            base_config,
            requirements,
            config,
            constraints,
            hard_deny_allowlist_misses,
        })
    }

    pub async fn start_proxy(
        &self,
        permission_profile: &PermissionProfile,
        policy_decider: Option<Arc<dyn NetworkPolicyDecider>>,
        blocked_request_observer: Option<Arc<dyn BlockedRequestObserver>>,

View on GitHub (pinned to 339751715c)

Solutions

1. Fix the network proxy constraint values per the reported error.

When it happens

Trigger: Thrown at codex-rs/core/src/config/network_proxy_spec.rs:121 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/e487215ea2b0e457. Report an issue: GitHub.