diff --git a/CLOUD_SERVER_SETUP.md b/CLOUD_SERVER_SETUP.md
index e50e8ed..307fa08 100644
--- a/CLOUD_SERVER_SETUP.md
+++ b/CLOUD_SERVER_SETUP.md
@@ -130,10 +130,15 @@ boto3, cryptography, Jinja2, jsonschema, fail2ban 등 시스템 레벨로 설치
 
 # 1. TaxBaik 홈페이지 (taxbaik.com, www.taxbaik.com)
 server {
-    listen 80;
     server_name taxbaik.com www.taxbaik.com;
     client_max_body_size 512M;
 
+
+    # /admin 하위 요청을 /taxbaik/admin 으로 리다이렉트하여 Blazor Base Path 대응
+    location /admin {
+        return 301 $scheme://$host/taxbaik$request_uri;
+    }
+
     # 루트 경로 요청을 /taxbaik 으로 프록싱하여 base href /taxbaik/ 에 대응
     location / {
         proxy_pass http://127.0.0.1:5001/taxbaik/;
@@ -159,11 +164,18 @@ server {
         proxy_set_header X-Forwarded-Proto $scheme;
         proxy_read_timeout 120s;
     }
+
+    listen 443 ssl; # managed by Certbot
+    ssl_certificate /etc/letsencrypt/live/taxbaik.com/fullchain.pem; # managed by Certbot
+    ssl_certificate_key /etc/letsencrypt/live/taxbaik.com/privkey.pem; # managed by Certbot
+    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
+    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
+
+
 }
 
 # 2. Gitea (gitea.taxbaik.com)
 server {
-    listen 80;
     server_name gitea.taxbaik.com;
     client_max_body_size 512M;
 
@@ -178,11 +190,17 @@ server {
         proxy_connect_timeout 300;
         proxy_send_timeout 300;
     }
+
+    listen 443 ssl; # managed by Certbot
+    ssl_certificate /etc/letsencrypt/live/taxbaik.com/fullchain.pem; # managed by Certbot
+    ssl_certificate_key /etc/letsencrypt/live/taxbaik.com/privkey.pem; # managed by Certbot
+    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
+    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
+
 }
 
 # 3. QuantEngine (quant.taxbaik.com)
 server {
-    listen 80;
     server_name quant.taxbaik.com;
 
     location / {
@@ -196,6 +214,57 @@ server {
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Forwarded-Proto $scheme;
     }
+
+    listen 443 ssl; # managed by Certbot
+    ssl_certificate /etc/letsencrypt/live/taxbaik.com/fullchain.pem; # managed by Certbot
+    ssl_certificate_key /etc/letsencrypt/live/taxbaik.com/privkey.pem; # managed by Certbot
+    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
+    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
+
+}
+
+server {
+    if ($host = www.taxbaik.com) {
+        return 301 https://$host$request_uri;
+    } # managed by Certbot
+
+
+    if ($host = taxbaik.com) {
+        return 301 https://$host$request_uri;
+    } # managed by Certbot
+
+
+    listen 80;
+    server_name taxbaik.com www.taxbaik.com;
+    return 404; # managed by Certbot
+
+
+
+
+}
+server {
+    if ($host = gitea.taxbaik.com) {
+        return 301 https://$host$request_uri;
+    } # managed by Certbot
+
+
+    listen 80;
+    server_name gitea.taxbaik.com;
+    return 404; # managed by Certbot
+
+
+}
+server {
+    if ($host = quant.taxbaik.com) {
+        return 301 https://$host$request_uri;
+    } # managed by Certbot
+
+
+    listen 80;
+    server_name quant.taxbaik.com;
+    return 404; # managed by Certbot
+
+
 }
 ```
 
diff --git a/deploy/nginx-taxbaik-domains.conf b/deploy/nginx-taxbaik-domains.conf
index 65124b0..f39b491 100644
--- a/deploy/nginx-taxbaik-domains.conf
+++ b/deploy/nginx-taxbaik-domains.conf
@@ -3,6 +3,12 @@ server {
     server_name taxbaik.com www.taxbaik.com;
     client_max_body_size 512M;
 
+
+    # /admin 하위 요청을 /taxbaik/admin 으로 리다이렉트하여 Blazor Base Path 대응
+    location /admin {
+        return 301 $scheme://$host/taxbaik$request_uri;
+    }
+
     # 루트 경로 요청을 /taxbaik 으로 프록싱하여 base href /taxbaik/ 에 대응
     location / {
         proxy_pass http://127.0.0.1:5001/taxbaik/;