Akousa403 ForbiddenNginx denied access to the requested resource.
The server configuration explicitly denies access. Common causes: directory listing disabled without an index file, IP-based access restrictions, or incorrect file permissions.
Check nginx configuration for deny rules. Verify file permissions (644 for files, 755 for dirs). Ensure the Nginx worker user can read the files.
# Check file permissions
ls -la /var/www/html/
# Check nginx user
ps aux | grep nginx
# Ensure nginx user can read files
chmod -R 755 /var/www/html/an upstream response is buffered to a temporary fileThe upstream response is being buffered to disk because it exceeds memory buffers.
494 Request Header Too LargeThe request headers exceed Nginx's maximum header buffer size.
connect() failed (111: Connection refused)Nginx could not connect to the upstream server.
496 SSL Certificate RequiredA client certificate is required but was not provided.
rewrite or internal redirection cycleNginx detected an infinite redirect or rewrite loop.
413 Request Entity Too LargeThe request body exceeds the maximum size allowed by Nginx.