diff --git a/src/main/java/com/eactive/eai/rms/ext/djb/webhook/service/WebhookService.java b/src/main/java/com/eactive/eai/rms/ext/djb/webhook/service/WebhookService.java
index 35b54b4..a3f91ac 100644
--- a/src/main/java/com/eactive/eai/rms/ext/djb/webhook/service/WebhookService.java
+++ b/src/main/java/com/eactive/eai/rms/ext/djb/webhook/service/WebhookService.java
@@ -245,6 +245,12 @@ public class WebhookService {
         Exception lastException = null;
         for (int attempt = 0; attempt <= retryCount; attempt++) {
             try {
+                if (attempt == 0) {
+                    // 배포 반영 확인용: HttpComponentsClientHttpRequestFactory 여야 SSL 우회 RestTemplate 사용 중.
+                    // SimpleClientHttpRequestFactory 로 찍히면 기본 new RestTemplate() 이 주입된 것 → PKIX 원인.
+                    log.info("[Webhook] POST 시도 - url: {}, requestFactory: {}", proxyUrl,
+                            restTemplate.getRequestFactory().getClass().getSimpleName());
+                }
                 if (attempt > 0) {
                     long delayMs = (long) retryTime * attempt;
                     log.info("[Webhook] 재시도 {}/{} - url: {}, delay: {}ms", attempt, retryCount, proxyUrl, delayMs);
diff --git a/src/main/java/com/eactive/eai/rms/ext/user/sync/RestTemplateConfiguration.java b/src/main/java/com/eactive/eai/rms/ext/user/sync/RestTemplateConfiguration.java
index 933ce4e..f6e8195 100644
--- a/src/main/java/com/eactive/eai/rms/ext/user/sync/RestTemplateConfiguration.java
+++ b/src/main/java/com/eactive/eai/rms/ext/user/sync/RestTemplateConfiguration.java
@@ -13,6 +13,9 @@ import org.springframework.web.client.RestTemplate;
 
 import javax.net.ssl.SSLContext;
 
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
 @Configuration
 public class RestTemplateConfiguration {
 
@@ -36,20 +39,24 @@ public class RestTemplateConfiguration {
 				.setMaxConnPerRoute(20)
 				.build();
 
+		// 배포 반영 확인용: 이 줄이 기동 로그에 없으면 수정 전 클래스가 떠 있는 것.
+		log.info("[RestTemplateConfiguration] httpClient 생성: SSL 인증서 체인/호스트명 검증 비활성화(TrustAllStrategy+NoopHostnameVerifier) 적용");
+
 		return httpClient;
 	}
-	
+
 	@Bean
 	public HttpComponentsClientHttpRequestFactory factory(HttpClient httpClient) {
 		HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory();
 		factory.setHttpClient(httpClient);
 		return factory;
 	}
-	
+
 	@Bean
 	public RestTemplate restTemplate(HttpComponentsClientHttpRequestFactory factory) {
 		RestTemplate restTemplate = new RestTemplate();
 		restTemplate.setRequestFactory(factory);
+		log.info("[RestTemplateConfiguration] RestTemplate 빈 생성: requestFactory={}", factory.getClass().getSimpleName());
 		return restTemplate;
 	}