feat: add security headers to caddyfile

Added `X-Frame-Options`, `X-Content-Type-Options`, `Referrer-Policy`, and `Content-Security-Policy` to the Caddyfile to prevent common web vulnerabilities like XSS, MIME sniffing, and Clickjacking.
2026-06-02 08:21:55 +00:00 · 2026-06-02 08:14:48 +00:00
1 changed files with 7 additions and 0 deletions
@@ -6,6 +6,13 @@
 :80 {
  encode zstd gzip

+  header {
+    X-Frame-Options "DENY"
+    X-Content-Type-Options "nosniff"
+    Referrer-Policy "strict-origin-when-cross-origin"
+    Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob:; font-src 'self' data:;"
+  }
+
  handle /mcp {
    reverse_proxy 127.0.0.1:3001
  }