openai/codex · error · io::Error

Request blocked by network policy.

Error message

Request blocked by network policy.

What it means

Error "Request blocked by network policy." thrown in openai/codex.

Source

Thrown at codex-rs/network-proxy/src/socks5.rs:810

    port: u16,
    client_addr: Option<&str>,
) {
    emit_block_decision_audit_event(
        state,
        BlockDecisionAuditEventArgs {
            source,
            reason,
            protocol,
            server_address: host,
            server_port: port,
            method: None,
            client_addr,
        },
    );
}

fn policy_denied_error(reason: &str, details: &PolicyDecisionDetails<'_>) -> io::Error {
    io::Error::new(
        io::ErrorKind::PermissionDenied,
        blocked_message_with_policy(reason, details),
    )
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::config::NetworkMode;
    use crate::config::NetworkProxyConfig;
    use crate::mitm_hook::MitmHookConfig;
    use crate::mitm_hook::MitmHookMatchConfig;
    use crate::network_policy::test_support::POLICY_DECISION_EVENT_NAME;
    use crate::network_policy::test_support::capture_events;
    use crate::network_policy::test_support::find_event_by_name;
    use crate::runtime::ConfigReloader;
    use crate::runtime::ConfigReloaderFuture;
    use crate::runtime::ConfigState;

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/network-proxy/src/socks5.rs:810 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/018e7f8a51b10530. Report an issue: GitHub.