Security Report Summary
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| Site: | https://changwonop.com/ | ||
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| IP Address: | 104.21.46.211 | ||
| Report Time: | 19 Sep 2025 13:15:50 UTC | ||
| Headers: |
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| Advanced: |
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Missing Headers
| Content-Security-Policy | Content Security Policy is an effective measure to protect your site from XSS attacks. By whitelisting sources of approved content, you can prevent the browser from loading malicious assets. |
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| Permissions-Policy | Permissions Policy is a new header that allows a site to control which features and APIs can be used in the browser. |
Raw Headers
| HTTP/2 | 200 |
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| date | Fri, 19 Sep 2025 13:15:50 GMT |
| content-type | text/html; charset=utf-8 |
| server | cloudflare |
| x-powered-by | Express |
| cache-control | public, max-age=0 |
| server-timing | cfCacheStatus;desc="DYNAMIC" |
| server-timing | cfEdge;dur=268,cfOrigin;dur=177 |
| vary | Accept-Encoding |
| report-to | {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=dDfG73I7RdyjoLvJXsNN9FkUB1KvgtD5EGEQMBjloqOii1B%2FxIHWdBgH3m59UNSiMPgHuA7K7qssEg%2FH0qK%2Fd1GGC9OVzv3UK7iPiTd9"}]} |
| strict-transport-security | max-age=15768000; includeSubDomains |
| x-frame-options | SAMEORIGIN |
| x-content-type-options | nosniff |
| referrer-policy | no-referrer-when-downgrade |
| nel | {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| cf-cache-status | DYNAMIC |
| speculation-rules | "/cdn-cgi/speculation" |
| content-encoding | gzip |
| cf-ray | 98195aa51b2e9695-DUB |
| alt-svc | h3=":443"; ma=86400 |
Upcoming Headers
| Cross-Origin-Embedder-Policy | Cross-Origin Embedder Policy allows a site to prevent assets being loaded that do not grant permission to load them via CORS or CORP. |
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| Cross-Origin-Opener-Policy | Cross-Origin Opener Policy allows a site to opt-in to Cross-Origin Isolation in the browser. |
| Cross-Origin-Resource-Policy | Cross-Origin Resource Policy allows a resource owner to specify who can load the resource. |
Additional Information
| server | Server value has been changed. Typically you will see values like "Microsoft-IIS/8.0" or "nginx 1.7.2". |
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| x-powered-by | X-Powered-By can usually be seen with values like "PHP/5.5.9-1ubuntu4.5" or "ASP.NET". Trying to minimise the amount of information you give out about your server is a good idea. This header should be removed or the value changed. |
| report-to | Report-To enables the Reporting API. This allows a website to collect reports from the browser about various errors that may occur. You can sign up for a free account on Report URI to collect these reports. |
| strict-transport-security | HTTP Strict Transport Security is an excellent feature to support on your site and strengthens your implementation of TLS by getting the User Agent to enforce the use of HTTPS. |
| x-frame-options | X-Frame-Options tells the browser whether you want to allow your site to be framed or not. By preventing a browser from framing your site you can defend against attacks like clickjacking. |
| x-content-type-options | X-Content-Type-Options stops a browser from trying to MIME-sniff the content type and forces it to stick with the declared content-type. The only valid value for this header is "X-Content-Type-Options: nosniff". |
| referrer-policy | Referrer Policy is a new header that allows a site to control how much information the browser includes with navigations away from a document and should be set by all sites. |
| nel | Network Error Logging is a new header that instructs the browser to send reports during various network or application errors. You can sign up for a free account on Report URI to collect these reports. |