www.estudiosbabylon.com.ar Open in urlscan Pro
181.88.192.86  Malicious Activity! Public Scan

URL: https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
Submission: On February 18 via automatic, source phishtank — Scanned from DE

Summary

This website contacted 3 IPs in 2 countries across 3 domains to perform 12 HTTP transactions. The main IP is 181.88.192.86, located in General San Martin, Argentina and belongs to Telecom Argentina S.A., AR. The main domain is www.estudiosbabylon.com.ar.
TLS certificate: Issued by R3 on January 2nd 2023. Valid for: 3 months.
This is the only time www.estudiosbabylon.com.ar was scanned on urlscan.io!

urlscan.io Verdict: Potentially Malicious

Targeting these brands: Netflix (Online)

Domain & IP information

IP Address AS Autonomous System
2 12 181.88.192.86 7303 (Telecom A...)
1 2606:4700:303... 13335 (CLOUDFLAR...)
1 2a00:86c0:209... 40027 (NETFLIX-ASN)
12 3
Apex Domain
Subdomains
Transfer
12 estudiosbabylon.com.ar
www.estudiosbabylon.com.ar
195 KB
1 nflxext.com
assets.nflxext.com — Cisco Umbrella Rank: 5150
72 KB
1 js-codes.com
js-codes.com
2 KB
12 3
Domain Requested by
12 www.estudiosbabylon.com.ar 2 redirects www.estudiosbabylon.com.ar
1 assets.nflxext.com www.estudiosbabylon.com.ar
1 js-codes.com www.estudiosbabylon.com.ar
12 3

This site contains no links.

Subject Issuer Validity Valid
www.estudiosbabylon.com.ar
R3
2023-01-02 -
2023-04-02
3 months crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3
2022-06-02 -
2023-06-01
a year crt.sh
*.1.nflxso.net
DigiCert Secure Site ECC CA-1
2023-02-15 -
2023-03-20
a month crt.sh

This page contains 1 frames:

Primary Page: https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
Frame ID: FB8B86D3C51B48E55C934BFA06E8DA84
Requests: 12 HTTP requests in this frame

Screenshot

Page Title

My account

Page URL History Show full URLs

  1. https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login HTTP 302
    https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/index HTTP 302
    https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • ([\d.]+)?/modernizr(?:\.([\d.]+))?.*\.js

Overall confidence: 100%
Detected patterns
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

12
Requests

100 %
HTTPS

67 %
IPv6

3
Domains

3
Subdomains

3
IPs

2
Countries

269 kB
Transfer

554 kB
Size

1
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login HTTP 302
    https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/index HTTP 302
    https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

12 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request login
www.estudiosbabylon.com.ar/lib/img/images/pdf/app/
Redirect Chain
  • https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
  • https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/index
  • https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
909 B
655 B
Document
General
Full URL
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
181.88.192.86 General San Martin, Argentina, ASN7303 (Telecom Argentina S.A., AR),
Reverse DNS
host86.181-88-192.telecom.net.ar
Software
FlowBalancer /
Resource Hash
5cf2bb4ba10cb26b5cf54306e9da0d6d156b05281353f4bef64d7fbd9279e3df
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.5481.100 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

cache-control
no-store, no-cache, must-revalidate, post-check=0, pre-check=0
content-encoding
br
content-location
login.php
content-security-policy
upgrade-insecure-requests
content-type
text/html; charset=ISO-8859-1
date
Sat, 18 Feb 2023 23:44:23 GMT
expires
Thu, 19 Nov 1981 08:52:00 GMT
pragma
no-cache
server
FlowBalancer
tcn
choice
vary
Accept-Encoding negotiate,Accept-Encoding,User-Agent
x-cache-status
BYPASS

Redirect headers

cache-control
no-store, no-cache, must-revalidate, post-check=0, pre-check=0
content-length
0
content-location
index.php
content-security-policy
upgrade-insecure-requests
content-type
text/html; charset=ISO-8859-1
date
Sat, 18 Feb 2023 23:44:23 GMT
expires
Thu, 19 Nov 1981 08:52:00 GMT
location
login
pragma
no-cache
server
FlowBalancer
tcn
choice
vary
negotiate,User-Agent
x-cache-status
BYPASS
none.css
www.estudiosbabylon.com.ar/lib/img/images/pdf/app/style/
119 KB
17 KB
Stylesheet
General
Full URL
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/style/none.css
Requested by
Host: www.estudiosbabylon.com.ar
URL: https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
181.88.192.86 General San Martin, Argentina, ASN7303 (Telecom Argentina S.A., AR),
Reverse DNS
host86.181-88-192.telecom.net.ar
Software
FlowBalancer /
Resource Hash
ebed425ce97fd847ea4a8b5c00c79a3be333247972a72755dd26af0bf7250152
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.5481.100 Safari/537.36

Response headers

date
Sat, 18 Feb 2023 23:44:23 GMT
content-security-policy
upgrade-insecure-requests
content-encoding
br
last-modified
Thu, 16 Feb 2023 15:37:13 GMT
server
FlowBalancer
etag
W/"1db6d-5f4d2f8820f79"
x-cache-status
BYPASS
vary
Accept-Encoding, Accept-Encoding
content-type
text/css
cache-control
max-age=3600
expires
Sun, 19 Feb 2023 00:44:23 GMT
none2.css
www.estudiosbabylon.com.ar/lib/img/images/pdf/app/style/
134 KB
20 KB
Stylesheet
General
Full URL
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/style/none2.css
Requested by
Host: www.estudiosbabylon.com.ar
URL: https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
181.88.192.86 General San Martin, Argentina, ASN7303 (Telecom Argentina S.A., AR),
Reverse DNS
host86.181-88-192.telecom.net.ar
Software
FlowBalancer /
Resource Hash
5cfce24261211668d5db5a01c4fcdae60852d01faa05b325ee63410280c7221d
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.5481.100 Safari/537.36

Response headers

date
Sat, 18 Feb 2023 23:44:23 GMT
content-security-policy
upgrade-insecure-requests
content-encoding
br
last-modified
Thu, 16 Feb 2023 15:37:13 GMT
server
FlowBalancer
etag
W/"216ca-5f4d2f8825094"
x-cache-status
BYPASS
vary
Accept-Encoding, Accept-Encoding
content-type
text/css
cache-control
max-age=3600
expires
Sun, 19 Feb 2023 00:44:23 GMT
modernizr.min.js
js-codes.com/modernizr/2.8.7/
4 KB
2 KB
Script
General
Full URL
https://js-codes.com/modernizr/2.8.7/modernizr.min.js
Requested by
Host: www.estudiosbabylon.com.ar
URL: https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::ac43:c763 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express, Phusion Passenger(R) 6.0.10
Resource Hash
a6c3bff965978df8093c3a29f7071c21d7439a212af41e7b40ce70d94d6bcc44

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.estudiosbabylon.com.ar/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.5481.100 Safari/537.36

Response headers

date
Sat, 18 Feb 2023 23:44:24 GMT
content-encoding
br
cf-cache-status
MISS
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-powered-by
Express, Phusion Passenger(R) 6.0.10
status
200 OK
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
last-modified
Wed, 11 Oct 2017 07:04:24 GMT
server
cloudflare
etag
W/"edf-15f0a3fa4c0"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=4Hwt1znloy0kUVuv3K29ZTIlmD5HcysrInFeGBs%2BrKBidbMe1ie3CnEVyQ50odTDcUfAqGomqSY3nkJ7OumyPJxlfYLaV9av5evY%2BhIURLq4SzWBthZoMmAuZKuvLRtlt7bqO3wYXVMa6iQ%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=UTF-8
cache-control
public, max-age=31536000
cf-ray
79baa1634a49365b-FRA
expires
Sun, 18 Feb 2024 23:44:23 GMT
jquery.js
www.estudiosbabylon.com.ar/lib/img/images/pdf/app/js/
85 KB
29 KB
Script
General
Full URL
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/js/jquery.js
Requested by
Host: www.estudiosbabylon.com.ar
URL: https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
181.88.192.86 General San Martin, Argentina, ASN7303 (Telecom Argentina S.A., AR),
Reverse DNS
host86.181-88-192.telecom.net.ar
Software
FlowBalancer /
Resource Hash
8603b20b548270423fb03c2138c16f5f863ead4c48eb0999167df869e2eef8a6
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.5481.100 Safari/537.36

Response headers

date
Sat, 18 Feb 2023 23:44:23 GMT
content-security-policy
upgrade-insecure-requests
content-encoding
br
last-modified
Thu, 16 Feb 2023 15:37:12 GMT
server
FlowBalancer
etag
W/"15339-5f4d2f87fb884"
x-cache-status
BYPASS
vary
Accept-Encoding, Accept-Encoding
content-type
application/javascript
jquery.ccvalid.js
www.estudiosbabylon.com.ar/lib/img/images/pdf/app/js/
7 KB
2 KB
Script
General
Full URL
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/js/jquery.ccvalid.js
Requested by
Host: www.estudiosbabylon.com.ar
URL: https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
181.88.192.86 General San Martin, Argentina, ASN7303 (Telecom Argentina S.A., AR),
Reverse DNS
host86.181-88-192.telecom.net.ar
Software
FlowBalancer /
Resource Hash
ca83477931d09aca84c55e779bb2e6ef502b1af1bef668de771b8209a43eb11b
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.5481.100 Safari/537.36

Response headers

date
Sat, 18 Feb 2023 23:44:23 GMT
content-security-policy
upgrade-insecure-requests
content-encoding
br
last-modified
Thu, 16 Feb 2023 15:37:12 GMT
server
FlowBalancer
etag
W/"1d12-5f4d2f87f9e79"
x-cache-status
BYPASS
vary
Accept-Encoding, Accept-Encoding
content-type
application/javascript
jquery.mask.js
www.estudiosbabylon.com.ar/lib/img/images/pdf/app/js/
8 KB
3 KB
Script
General
Full URL
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/js/jquery.mask.js
Requested by
Host: www.estudiosbabylon.com.ar
URL: https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
181.88.192.86 General San Martin, Argentina, ASN7303 (Telecom Argentina S.A., AR),
Reverse DNS
host86.181-88-192.telecom.net.ar
Software
FlowBalancer /
Resource Hash
38c89b667f0b98ab618ce6eef2947a58b9cac93e4dce667fec781562c34cd66e
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.5481.100 Safari/537.36

Response headers

date
Sat, 18 Feb 2023 23:44:23 GMT
content-security-policy
upgrade-insecure-requests
content-encoding
br
last-modified
Thu, 16 Feb 2023 15:37:12 GMT
server
FlowBalancer
etag
W/"1fad-5f4d2f87fc589"
x-cache-status
BYPASS
vary
Accept-Encoding, Accept-Encoding
content-type
application/javascript
step3.php
www.estudiosbabylon.com.ar/lib/img/images/pdf/workshop/stockers/
5 KB
2 KB
XHR
General
Full URL
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/workshop/stockers/step3.php
Requested by
Host: www.estudiosbabylon.com.ar
URL: https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/js/jquery.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
181.88.192.86 General San Martin, Argentina, ASN7303 (Telecom Argentina S.A., AR),
Reverse DNS
host86.181-88-192.telecom.net.ar
Software
FlowBalancer /
Resource Hash
905ebdfb608b40e653a6fb7fe2b56d316a69f175c872fc46333795ecbad800c5
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests

Request headers

Accept
*/*
Referer
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
X-Requested-With
XMLHttpRequest
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.5481.100 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

pragma
no-cache
date
Sat, 18 Feb 2023 23:44:24 GMT
content-security-policy
upgrade-insecure-requests
content-encoding
br
server
FlowBalancer
vary
Accept-Encoding, Accept-Encoding,User-Agent
content-type
text/html; charset=ISO-8859-1
cache-control
no-store, no-cache, must-revalidate, post-check=0, pre-check=0
expires
Thu, 19 Nov 1981 08:52:00 GMT
bg.jpg
www.estudiosbabylon.com.ar/lib/img/images/pdf/app/pic/
117 KB
118 KB
Image
General
Full URL
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/pic/bg.jpg
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
181.88.192.86 General San Martin, Argentina, ASN7303 (Telecom Argentina S.A., AR),
Reverse DNS
host86.181-88-192.telecom.net.ar
Software
FlowBalancer /
Resource Hash
cde4074549e72df2b148594b13728b01118887d02d99e5e7d67c5d1e54cc6669
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.5481.100 Safari/537.36

Response headers

date
Sat, 18 Feb 2023 23:44:24 GMT
content-security-policy
upgrade-insecure-requests
last-modified
Thu, 16 Feb 2023 15:37:13 GMT
server
FlowBalancer
etag
"1d529-5f4d2f8807bd4"
x-cache-status
BYPASS
content-type
image/jpeg
cache-control
max-age=3600
accept-ranges
bytes
content-length
120105
expires
Sun, 19 Feb 2023 00:44:24 GMT
logo.svg
www.estudiosbabylon.com.ar/lib/img/images/pdf/app/pic/
864 B
713 B
Image
General
Full URL
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/pic/logo.svg
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
181.88.192.86 General San Martin, Argentina, ASN7303 (Telecom Argentina S.A., AR),
Reverse DNS
host86.181-88-192.telecom.net.ar
Software
FlowBalancer /
Resource Hash
8a421d5798accee1c284865ac05cee792ad3f6bcb3c70ce1dcb954d23e86fdad
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.5481.100 Safari/537.36

Response headers

date
Sat, 18 Feb 2023 23:44:24 GMT
content-security-policy
upgrade-insecure-requests
content-encoding
br
last-modified
Thu, 16 Feb 2023 15:37:13 GMT
server
FlowBalancer
etag
W/"360-5f4d2f881a74f"
x-cache-status
BYPASS
vary
Accept-Encoding
content-type
image/svg+xml
fb.png
www.estudiosbabylon.com.ar/lib/img/images/pdf/app/pic/
1 KB
2 KB
Image
General
Full URL
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/pic/fb.png
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
181.88.192.86 General San Martin, Argentina, ASN7303 (Telecom Argentina S.A., AR),
Reverse DNS
host86.181-88-192.telecom.net.ar
Software
FlowBalancer /
Resource Hash
3e49d9dc43267590184389ab3da0cb9f7308c9c848667dab109a0f7c73450ece
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/login
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.5481.100 Safari/537.36

Response headers

date
Sat, 18 Feb 2023 23:44:24 GMT
content-security-policy
upgrade-insecure-requests
last-modified
Thu, 16 Feb 2023 15:37:13 GMT
server
FlowBalancer
etag
"5af-5f4d2f8817339"
x-cache-status
BYPASS
content-type
image/png
cache-control
max-age=3600
accept-ranges
bytes
content-length
1455
expires
Sun, 19 Feb 2023 00:44:24 GMT
nf-icon-v1-93.woff
assets.nflxext.com/ffe/siteui/fonts/
72 KB
72 KB
Font
General
Full URL
https://assets.nflxext.com/ffe/siteui/fonts/nf-icon-v1-93.woff
Requested by
Host: www.estudiosbabylon.com.ar
URL: https://www.estudiosbabylon.com.ar/lib/img/images/pdf/app/style/none.css
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
2a00:86c0:2090::1 , United States, ASN40027 (NETFLIX-ASN, US),
Reverse DNS
Software
nginx /
Resource Hash
98713b53a74ebe7e326353080c5f1653e83af61d6363c0b3c4c67d6d24197b4d

Request headers

Referer
https://www.estudiosbabylon.com.ar/
Origin
https://www.estudiosbabylon.com.ar
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.5481.100 Safari/537.36

Response headers

Date
Sat, 18 Feb 2023 23:44:24 GMT
Last-Modified
Mon, 29 Jan 2018 01:50:51 GMT
Server
nginx
Content-MD5
fPYVbMSBJEtaJUNi17c/AA==
Content-Type
font/woff
Access-Control-Allow-Origin
*
Cache-Control
max-age=604801
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
73572
Expires
Sat, 25 Feb 2023 23:44:25 GMT

Verdicts & Comments Add Verdict or Comment

Potentially malicious activity detected
Disclaimer: These verdicts should be used to detect potentially malicious websites, not as a final verdict!

urlscan

Phishing against: Netflix (Online)

8 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

boolean| credentialless object| oncontentvisibilityautostatechange object| html5 object| Modernizr function| $ function| jQuery object| $jscomp function| isEmail

1 Cookies

Domain/Path Name / Value
www.estudiosbabylon.com.ar/ Name: PHPSESS
Value: 14601dc9900aadcf967e05e18a981cdb

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
Content-Security-Policy upgrade-insecure-requests