HTTP Security

@Component @WebFilter(urlPatterns = {"/*"}) public class ResponseHeaderWebFilter implements Filter { @Override public void doFilter( ServletRequest request, ServletResponse response, FilterChain chain ) throws IOException, ServletException { HttpServletResponse httpServletResponse = (HttpServletResponse) response; httpServletResponse.setHeader("Content-Security-Policy", "default-src 'self' 'unsafe-inline' 'unsafe-eval' data: blob:;"); httpServletResponse.setHeader("Strict-Transport-Security", "max-age=31536000 ; includeSubDomains ; preload"); httpServletResponse.setHeader("Permissions-Policy", "geolocation 'self'; payment 'none'"); httpServletResponse.setHeader("X-Content-Type-Options", "nosniff"); httpServletResponse.setHeader("Referrer-Policy", "strict-origin-when-cross-origin"); httpServletResponse.setHeader("X-Frame-Options", "DENY"); chain.doFilter(request, response); } }

Default Sources

private String getDefaultSources() { String tiktok = "https://analytics.tiktok.com/"; String facebook = "https://www.facebook.com/ https://connect.facebook.net/"; String doubleClick = "https://stats.g.doubleclick.net/ https://11141660.fls.doubleclick.net/ https://googleads.g.doubleclick.net/"; String google = "https://www.google.com/ https://www.google.com.my/ https://analytics.google.com/ https://www.googletagmanager.com/ https://www.google-analytics.com/"; String[] sources = {DEFAULT_SRC, SELF, UNSAFE_INLINE, UNSAFE_EVAL, google, facebook, doubleClick, tiktok, BLOB_DATA}; String defaultSources = String.join(SOURCE_DELIMITER, sources); return getFilteredSources(defaultSources, DEFAULT_SRC); }

Content Security Policy

Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://ajax.googleapis.com https://ssl.google-analytics.com https://assets.zendesk.com https://connect.facebook.net; img-src 'self' https://ssl.google-analytics.com https://s-static.ak.facebook.com https://assets.zendesk.com; style-src 'self' 'unsafe-inline' https://assets.zendesk.com; font-src 'self' https://fonts.gstatic.com https://themes.googleusercontent.com; frame-src https://player.vimeo.com https://assets.zendesk.com https://www.facebook.com https://s-static.ak.facebook.com https://tautt.zendesk.com; object-src 'none' Content-Security-Policy: default-src 'self' 'unsafe-inline' 'unsafe-eval' https://www.google.com/ https://www.google.com.my/ https://analytics.google.com/ https://www.googletagmanager.com/ https://www.google-analytics.com/ https://www.facebook.com/ https://connect.facebook.net/ https://stats.g.doubleclick.net/ https://11141660.fls.doubleclick.net/ https://googleads.g.doubleclick.net/ https://analytics.tiktok.com/ data: blob: Content-Security-Policy: default-src *; style-src 'self' 'unsafe-inline'; font-src 'self' data:; script-src 'self' 'unsafe-inline' 'unsafe-eval' stackexchange.com Content-Security-Policy: default-src *; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline' 'unsafe-eval' http://www.google.com; content-security-policy: default-src 'self' * 'unsafe-inline' 'unsafe-eval' data: blob: Content-Security-Policy: default-src 'self' 'unsafe-inline' 'unsafe-eval' data: blob: content-security-policy: default-src * 'unsafe-inline' 'unsafe-eval' data: blob: Content-Security-Policy: default-src 'self' cdn.chorke.org

Content Security Policy » Nginx

server { server_name academia.chorke.org; # …more… add_header X-Frame-Options "SAMEORIGIN"; add_header Referrer-Policy "same-origin"; add_header X-Content-Type-Options "nosniff"; add_header Strict-Transport-Security "max-age=31536000; includeSubDomains"; add_header Content-Security-Policy "frame-ancestors https://shahed.biz; default-src * 'unsafe-inline' 'unsafe-eval' data: blob:"; add_header Permissions-Policy "camera=('none'), microphone=('none'), geolocation=('none'), payment=('none')"; # …more… location / { return 301 https://academia.chorke.org$request_uri; } }

nginx -t systemctl restart nginx

Content Security Policy » Nginx » Ingress

Nginx » Ingress

Service » academia cat <<'YML'| \ kubectl apply -n academia -f - --- apiVersion: v1 kind: ConfigMap metadata: name: academia-csp namespace: academia data: default.conf: | server { listen 80; server_name _; # php -i|grep upload_max client_max_body_size 2M; keepalive_timeout 10; # header » forward » client proxy_set_header X-Forwarded-Proto $scheme; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Real-IP $remote_addr; proxy_set_header Host $host; # header » remove » security proxy_hide_header X-Powered-By; proxy_hide_header X-Frame-Options; proxy_hide_header Referrer-Policy; proxy_hide_header Permissions-Policy; proxy_hide_header X-Content-Type-Options; proxy_hide_header Content-Security-Policy; proxy_hide_header Strict-Transport-Security; # header » append » security add_header X-Frame-Options "SAMEORIGIN" always; add_header Referrer-Policy "same-origin" always; add_header X-Content-Type-Options "nosniff" always; add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always; add_header Content-Security-Policy "default-src 'self' 'unsafe-inline' 'unsafe-eval' data: blob:" always; add_header Permissions-Policy "camera=('none'), microphone=('none'), geolocation=('none'), payment=('none')" always; location / { proxy_pass http://academia:80/; proxy_redirect off; } } --- apiVersion: v1 kind: Service metadata: name: academia-csp namespace: academia labels: app.kubernetes.io/instance: academia-csp app.kubernetes.io/managed-by: kubectl app.kubernetes.io/name: academia-csp app.kubernetes.io/version: 1.0.0 spec: type: ClusterIP ports: - port: 80 name: http protocol: TCP targetPort: http selector: app.kubernetes.io/instance: academia-csp app.kubernetes.io/name: academia-csp --- apiVersion: apps/v1 kind: Deployment metadata: name: academia-csp namespace: academia labels: app.kubernetes.io/instance: academia-csp app.kubernetes.io/managed-by: kubectl app.kubernetes.io/name: academia-csp app.kubernetes.io/version: 1.0.0 spec: replicas: 1 selector: matchLabels: app.kubernetes.io/instance: academia-csp app.kubernetes.io/name: academia-csp template: metadata: labels: app.kubernetes.io/instance: academia-csp app.kubernetes.io/name: academia-csp spec: containers: - name: academia-csp image: nginx:1.27-alpine-slim ports: - name: http protocol: TCP containerPort: 80 resources: requests: cpu: 50m memory: 64Mi limits: memory: 128Mi cpu: 100m volumeMounts: - mountPath: /etc/nginx/conf.d/default.conf subPath: default.conf name: default-conf volumes: - name: default-conf configMap: name: academia-csp items: - key: default.conf path: default.conf YML Ingress » nginx cat << YML | \ kubectl apply -n academia -f - --- apiVersion: networking.k8s.io/v1 kind: Ingress metadata: name: academia namespace: academia labels: app.kubernetes.io/name: academia app.kubernetes.io/version: 1.0.0 app.kubernetes.io/instance: academia app.kubernetes.io/managed-by: kubectl annotations: nginx.ingress.kubernetes.io/proxy-body-size: "0" spec: ingressClassName: nginx rules: - host: academia.chorke.org http: paths: - path: / pathType: ImplementationSpecific backend: service: name: academia-csp port: number: 80 YML

Permissions Policy

Permissions-Policy: camera=(), microphone=(), geolocation=() Permissions-Policy: camera=('none'), microphone=('none'), geolocation=('none'), payment=('none') Permissions-Policy: geolocation=("https://advertiser.example.com" "https://analytics.example.com") permissions-policy: accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), usb=(), interest-cohort=()

References

References
CSP » 'strict-dynamic' CSP » script-src-attr CSP » 'unsafe-hashes' CSP » 'unsafe-inline' CSP » default-src CSP » script-src CSP » 'sha256-' CSP » 'nonce-' CSP » 'none' CSP » 'self'	Cookies » Request to access or storage was blocked Cookies » Recommended sameSite Attribute HTML » Quirks Mode vs. Standards Mode CSP » Blocked the Loading of a Resource SAP » Block cookies from trackers CSP » Google Tag Manager Tips CSP » Google Tag Manager CSP » Browser Test CSP » Reference CSP » Examples	CSP » Nginx » Adding & using header CORS » Credential is not supported CSP » Allow iframe embedding CSP » 'frame-ancestors' Content-Security-Policy Content Negotiation CSP » frame-src Permissions-Policy Permissions Policy CORS » Disabled
Header » X-Frame-Options SRI » Hash Generator SRI » Docs » Mozilla SRI » Docs » OWASP
Scan » CSP » pfapply.aeoncredit.com.my Scan » CSP » cdn.chorke.org/wiki Scan » CSP » finology-group.com Scan » CSP » wiki.chorke.org Scan » CSP » wiki.shahed.biz Scan » CSP » shahed.biz	Scan » SSL » finology-group.com Scan » SSL » shahed.biz
Homebrew ZA Proxy JConsole Cypress Spring HTTPie JQ Tool Locust JMeter Wrk	JSON Schema Validation Spring Security Apache Camel Netflix Eureka Java/Security Java Lambda Camunda Jasypt Redis Java	Spring Exception Handling Security » Certificate » TLS Security » Certificate Security » Password Security » Domain Postman Script