logger.debug("Client IP from X-Real-IP: clientIp={}, remoteAddr={}", clientIp, remoteAddr);
                }
                return clientIp;
            }
        }

        if (logger.isDebugEnabled()) {
            logger.debug("Client IP from remoteAddr: ip={}", remoteAddr);
        }
        return remoteAddr;
    }

    /**
     * Check if the IP is a trusted proxy.

        // When remoteAddr is not a trusted proxy, headers should be ignored
        final MockletHttpServletRequest request = getMockRequest();
        request.setRemoteAddr("192.168.1.100");
        request.addHeader("X-Forwarded-For", "203.0.113.50");
        request.addHeader("X-Real-IP", "203.0.113.75");
        // Should return remoteAddr, not the spoofed headers