HTTP Headers Analysis for https://repo.opennms.org

Detected Technologies from Headers

See all in URL Inspect 1

Sonatype Nexus

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

sameorigin

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Add Content-Security-Policy header to prevent XSS attacks
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Vary

Performance

Accept-Encoding

connection: close
vary: Accept-Encoding

Caching Headers

Cache-Control

Caching

no-cache, no-store, max-age=0, must-revalidate, post-check=0, pre-check=0

Expires

Caching

0

Last-Modified

Caching

Sun, 26 Jul 2026 13:37:39 GMT

Pragma

Caching

no-cache

cache-control: no-cache, no-store, max-age=0, must-revalidate, post-check=0, pre-check=0
expires: 0
last-modified: Sun, 26 Jul 2026 13:37:39 GMT
pragma: no-cache

Content Headers

Content-Length

Content

8031

Content-Type

Content

text/html

content-length: 8031
content-type: text/html

Server Headers

Server

Nexus/3.71.0-06 (OSS)

server: Nexus/3.71.0-06 (OSS)

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Sun, 26 Jul 2026 13:37:39 GMT

date: Sun, 26 Jul 2026 13:37:39 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance