SEND_REQUEST {
    outbound.req.X-From-Client = "{inbound.req.X-Source}";
    outbound.req.X-From-Server = "{outbound.req.X-Source}";
}

READ_RESPONSE {
    outbound.resp.X-From-Client = "{inbound.req.X-Source}";
    outbound.resp.X-From-Server = "{outbound.req.X-Source}";
}

SEND_RESPONSE {
    inbound.resp.X-From-Client = "{inbound.req.X-Source}";
    inbound.resp.X-From-Server = "{outbound.req.X-Source}";
}
