Security Report Summary
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| Site: | https://tuvanduhoc.org.vn/ | ||
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| IP Address: | 104.21.40.120 | ||
| Report Time: | 11 Jul 2026 01:19:03 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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| 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. Recommended value "X-Frame-Options: SAMEORIGIN". |
| 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. |
| 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 |
|---|---|
| date | Sat, 11 Jul 2026 01:19:02 GMT |
| content-type | text/html; charset=UTF-8 |
| server | cloudflare |
| vary | Accept-Encoding |
| cache-control | no-cache, private |
| set-cookie | XSRF-TOKEN=eyJpdiI6InJKeUV0VDRGQUhEaUs2NnhhcEoxWGc9PSIsInZhbHVlIjoiTXpWZzNpT3p4Mkh0dlZYdllQYmR0Wk40TWw0ZERReStzWmFGL3FWOGZHWGx6ZEhIcjdrSWJTWVhmLzRDclJ2cmc3NDd3OXpsT040cXJWVlZVeU5iL1Yvcnpndk1TWnI3N3o2dG42emxIMFhNdGhUZWVxRGxEZG56RjlpOU5kWlMiLCJtYWMiOiJkMzQzZGZiNzQxZDMyNjNmMWVlNjQ5MmU4NTJiM2E3MjMxMTVhZGJhMmNjZDEzZDg1NzBkNWUyNTRkZjMyOTkwIiwidGFnIjoiIn0%3D; expires=Sat, 11 Jul 2026 03:19:02 GMT; Max-Age=7200; path=/; secure; samesite=lax |
| set-cookie | tuvanduhocorgvn-session=eyJpdiI6Iit5eG52cjdheld6QXh2NjNqVlIxS2c9PSIsInZhbHVlIjoiRWxjU1lUYXlFTkh0aGpKTTZtZ3RFdFJERGtpeTl4bm51cEZQK005ZEduQStqTXg3dE90djRkcDR4V0M5YTMvUWVlelk0T2JpaTRjNy9DejhwRC92VEpldDJobVd1NVJDY3M0cWlLOU5wSzh5SFBqQVJDZE1xTk1pR2tkQXNoL1UiLCJtYWMiOiI4MTdlYjQ2Yzg3OTU0ZmZiMDBiMDg0OTdjODUxMGJjYTdkNzUxY2EyYmZlOTU2YmI0NmU3Yjk4ZWQyOGQwOGUwIiwidGFnIjoiIn0%3D; expires=Sat, 11 Jul 2026 03:19:02 GMT; Max-Age=7200; path=/; secure; httponly; samesite=lax |
| strict-transport-security | max-age=31536000 |
| alt-svc | h3=":443"; ma=86400 |
| nel | {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| cf-cache-status | DYNAMIC |
| speculation-rules | "/cdn-cgi/speculation" |
| server-timing | cfCacheStatus;desc="DYNAMIC" |
| server-timing | cfEdge;dur=18,cfOrigin;dur=1254 |
| report-to | {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=0pODZox26bHCCCKyUeGifUwrkWo3Hxom%2F80oOQoC%2BRIl9HzaHel2HtAn8KTp46yldYGKRE9WrLWoKLf4dPWxt5YltCUBN2TCVAPwgOazn9%2FXscv9K%2FmX2%2BBXgH3ykSaQbacXHA%3D%3D"}]} |
| content-encoding | gzip |
| cf-ray | a193fa43be499588-DUB |
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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| set-cookie | There is no Cookie Prefix on this cookie. |
| 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. |
| 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. |
| 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. |