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is.buk.cvut.cz Open in urlscan Pro
147.32.104.5  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://is.buk.cvut.cz/
Effective URL: https://is.buk.cvut.cz/
Submission: On June 09 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 2 IPs in 1 countries across 1 domains to perform 11 HTTP transactions. The main IP is 147.32.104.5, located in Břevnov, Czech Republic and belongs to CESNET2, CZ. The main domain is is.buk.cvut.cz.
TLS certificate: Issued by R3 on June 1st 2024. Valid for: 3 months.
This is the only time is.buk.cvut.cz was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 12 147.32.104.5 2852 (CESNET2)
11 2
Apex Domain
Subdomains		 Transfer
12 cvut.cz
is.buk.cvut.cz
static.is.buk.cvut.cz
1 MB
11 1
Domain Requested by
10 static.is.buk.cvut.cz is.buk.cvut.cz
static.is.buk.cvut.cz
2 is.buk.cvut.cz 1 redirects
11 2

This site contains links to these domains. Also see Links.

Domain
git.sh.cvut.cz
www.siliconhill.cz
Subject Issuer Validity Valid
is.buk.cvut.cz
R3		 2024-06-01 -
2024-08-30		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://is.buk.cvut.cz/
Frame ID: D429AD20018EDF3D3287B4ECA644B417
Requests: 12 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Informační systém klubu Buben

Page URL History Show full URLs

  1. http://is.buk.cvut.cz/ HTTP 307
    https://is.buk.cvut.cz/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

Page Statistics

11
Requests

91 %
HTTPS

0 %
IPv6

1
Domains

2
Subdomains

2
IPs

1
Countries

1049 kB
Transfer

1048 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. http://is.buk.cvut.cz/ HTTP 307
    https://is.buk.cvut.cz/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 10
  • https://is.buk.cvut.cz/favicon.ico HTTP 301
  • https://static.is.buk.cvut.cz/favicon.ico

11 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
is.buk.cvut.cz/
Redirect Chain
  • http://is.buk.cvut.cz/
  • https://is.buk.cvut.cz/
5 KB
3 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://is.buk.cvut.cz/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
147.32.104.5 Břevnov, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
is.buk.cvut.cz
Software
nginx /
Resource Hash
6db69f374fa9e1e16f2d4d0d0bbc950ce9cc51f2d2e5381c0740f9cdbc26e519

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Response headers

cache-control
max-age=0, private, must-revalidate
content-encoding
gzip
content-type
text/html; charset=utf-8
date
Sun, 09 Jun 2024 09:08:27 GMT
etag
W/"ecb32e62dece3a6dc0c5eb010b4c251b"
front-end-https
on
server
nginx
x-rack-cache
miss
x-request-id
c985524a75de316b5d0f5ad01e21d206
x-runtime
0.015036
x-ua-compatible
IE=Edge,chrome=1

Redirect headers

Location
https://is.buk.cvut.cz/
Non-Authoritative-Reason
HttpsUpgrades
application-7eaea51f0670e32b33e8a589c0884adb.css
static.is.buk.cvut.cz/assets/ 		236 KB
236 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://static.is.buk.cvut.cz/assets/application-7eaea51f0670e32b33e8a589c0884adb.css
Requested by
Host: is.buk.cvut.cz
URL: https://is.buk.cvut.cz/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
147.32.104.5 Břevnov, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
is.buk.cvut.cz
Software
nginx /
Resource Hash
c3b54760b3a7b3c069452249ee37c6eb1e0587ceacb6d53d7457b6fc9265b4eb
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://is.buk.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 09 Jun 2024 09:08:27 GMT
strict-transport-security
max-age=63072000
last-modified
Mon, 12 Feb 2024 13:28:03 GMT
server
nginx
etag
"65ca1ce3-3af8c"
content-type
text/css
cache-control
max-age=864000
accept-ranges
bytes
content-length
241548
expires
Wed, 19 Jun 2024 09:08:27 GMT
application-c6025a38f0bf75ac0dd28e619f0692a8.js
static.is.buk.cvut.cz/assets/ 		362 KB
363 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://static.is.buk.cvut.cz/assets/application-c6025a38f0bf75ac0dd28e619f0692a8.js
Requested by
Host: is.buk.cvut.cz
URL: https://is.buk.cvut.cz/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
147.32.104.5 Břevnov, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
is.buk.cvut.cz
Software
nginx /
Resource Hash
f23567ae5c150f8dc1e2d90a118798a562e44e099063968af0d9b0278746cb06
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://is.buk.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 09 Jun 2024 09:08:27 GMT
strict-transport-security
max-age=63072000
last-modified
Mon, 12 Feb 2024 13:28:03 GMT
server
nginx
etag
"65ca1ce3-5a923"
content-type
application/javascript
cache-control
max-age=864000
accept-ranges
bytes
content-length
370979
expires
Wed, 19 Jun 2024 09:08:27 GMT
buklogo-8f8f91eb9b8b3f986c8afbc7ac454664.png
static.is.buk.cvut.cz/assets/ 		37 KB
37 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://static.is.buk.cvut.cz/assets/buklogo-8f8f91eb9b8b3f986c8afbc7ac454664.png
Requested by
Host: is.buk.cvut.cz
URL: https://is.buk.cvut.cz/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
147.32.104.5 Břevnov, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
is.buk.cvut.cz
Software
nginx /
Resource Hash
7aa1f6a368b4be9ec7caaa0291207628ab71df40f97d6f9aca92fd75a9e791ac
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://is.buk.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 09 Jun 2024 09:08:27 GMT
strict-transport-security
max-age=63072000
last-modified
Mon, 12 Feb 2024 13:28:03 GMT
server
nginx
etag
"65ca1ce3-9302"
content-type
image/png
cache-control
max-age=864000
accept-ranges
bytes
content-length
37634
expires
Wed, 19 Jun 2024 09:08:27 GMT
grid-d2816c563e0c40dabd1140c6100455ea.png
static.is.buk.cvut.cz/assets/ 		405 B
619 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://static.is.buk.cvut.cz/assets/grid-d2816c563e0c40dabd1140c6100455ea.png
Requested by
Host: static.is.buk.cvut.cz
URL: https://static.is.buk.cvut.cz/assets/application-7eaea51f0670e32b33e8a589c0884adb.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
147.32.104.5 Břevnov, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
is.buk.cvut.cz
Software
nginx /
Resource Hash
ac363e2b14557f2c35d0ac2dbcedd16c23705cbfbf74d37d8b02896e66f972cb
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://static.is.buk.cvut.cz/assets/application-7eaea51f0670e32b33e8a589c0884adb.css
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 09 Jun 2024 09:08:27 GMT
strict-transport-security
max-age=63072000
last-modified
Mon, 12 Feb 2024 13:28:03 GMT
server
nginx
etag
"65ca1ce3-195"
content-type
image/png
cache-control
max-age=864000
accept-ranges
bytes
content-length
405
expires
Wed, 19 Jun 2024 09:08:27 GMT
buk1.jpg
static.is.buk.cvut.cz/ 		325 KB
325 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://static.is.buk.cvut.cz/buk1.jpg
Requested by
Host: is.buk.cvut.cz
URL: https://is.buk.cvut.cz/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
147.32.104.5 Břevnov, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
is.buk.cvut.cz
Software
nginx /
Resource Hash
1d64fbfb6e8a970673b98bb433741580e2443277da6c93bfdad01df950f380fb
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://is.buk.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 09 Jun 2024 09:08:27 GMT
strict-transport-security
max-age=63072000
last-modified
Mon, 12 Feb 2024 13:28:03 GMT
server
nginx
etag
"65ca1ce3-51278"
content-type
image/jpeg
cache-control
max-age=864000
accept-ranges
bytes
content-length
332408
expires
Wed, 19 Jun 2024 09:08:27 GMT
white_pixel-3073071562c59284645ab2dc604c8da3.png
static.is.buk.cvut.cz/assets/ 		88 B
301 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://static.is.buk.cvut.cz/assets/white_pixel-3073071562c59284645ab2dc604c8da3.png
Requested by
Host: is.buk.cvut.cz
URL: https://is.buk.cvut.cz/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
147.32.104.5 Břevnov, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
is.buk.cvut.cz
Software
nginx /
Resource Hash
5f31d36e543768ad4e4f9260df404990ebb814a6ec494f6a4634a133898ba318
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://is.buk.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 09 Jun 2024 09:08:27 GMT
strict-transport-security
max-age=63072000
last-modified
Mon, 12 Feb 2024 13:28:03 GMT
server
nginx
etag
"65ca1ce3-58"
content-type
image/png
cache-control
max-age=864000
accept-ranges
bytes
content-length
88
expires
Wed, 19 Jun 2024 09:08:27 GMT
fontawesome-webfont.woff
static.is.buk.cvut.cz/assets/ 		41 KB
41 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://static.is.buk.cvut.cz/assets/fontawesome-webfont.woff
Requested by
Host: static.is.buk.cvut.cz
URL: https://static.is.buk.cvut.cz/assets/application-7eaea51f0670e32b33e8a589c0884adb.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
147.32.104.5 Břevnov, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
is.buk.cvut.cz
Software
nginx /
Resource Hash
d45f5fb1fb4e1a101a8ad8722af443272f6c3d409d912e8175e6268d48e0b091
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://static.is.buk.cvut.cz/assets/application-7eaea51f0670e32b33e8a589c0884adb.css
Origin
https://is.buk.cvut.cz
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 09 Jun 2024 09:08:27 GMT
strict-transport-security
max-age=63072000
last-modified
Fri, 28 Oct 2022 16:40:59 GMT
server
nginx
etag
"635c061b-a318"
content-type
font/woff
access-control-allow-origin
*
cache-control
max-age=864000
accept-ranges
bytes
content-length
41752
expires
Wed, 19 Jun 2024 09:08:27 GMT
truncated
/ 		42 B
0 		Image
General
Check archive.org
Download Go to Show image
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Response headers

Content-Type
image/gif
loading-3318a03fac278e29f7dc5951e31dbcf0.gif
static.is.buk.cvut.cz/assets/lightbox/ 		23 KB
23 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://static.is.buk.cvut.cz/assets/lightbox/loading-3318a03fac278e29f7dc5951e31dbcf0.gif
Requested by
Host: is.buk.cvut.cz
URL: https://is.buk.cvut.cz/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
147.32.104.5 Břevnov, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
is.buk.cvut.cz
Software
nginx /
Resource Hash
6b1bc588204fb8dd7271e0d8f634dca001f5271314204075396d955a71eabf8d
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://is.buk.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 09 Jun 2024 09:08:27 GMT
strict-transport-security
max-age=63072000
last-modified
Mon, 12 Feb 2024 13:28:03 GMT
server
nginx
etag
"65ca1ce3-5af4"
content-type
image/gif
cache-control
max-age=864000
accept-ranges
bytes
content-length
23284
expires
Wed, 19 Jun 2024 09:08:27 GMT
close-5fb0231a604c5411e1ff5ddd38032adb.png
static.is.buk.cvut.cz/assets/lightbox/ 		498 B
712 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://static.is.buk.cvut.cz/assets/lightbox/close-5fb0231a604c5411e1ff5ddd38032adb.png
Requested by
Host: is.buk.cvut.cz
URL: https://is.buk.cvut.cz/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
147.32.104.5 Břevnov, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
is.buk.cvut.cz
Software
nginx /
Resource Hash
1d14df1c96aa4765a4454c1729225fc4e9af05a92ab96e931471ea696a5de03d
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://is.buk.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 09 Jun 2024 09:08:27 GMT
strict-transport-security
max-age=63072000
last-modified
Mon, 12 Feb 2024 13:28:03 GMT
server
nginx
etag
"65ca1ce3-1f2"
content-type
image/png
cache-control
max-age=864000
accept-ranges
bytes
content-length
498
expires
Wed, 19 Jun 2024 09:08:27 GMT
favicon.ico
static.is.buk.cvut.cz/
Redirect Chain
  • https://is.buk.cvut.cz/favicon.ico
  • https://static.is.buk.cvut.cz/favicon.ico
19 KB
19 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://static.is.buk.cvut.cz/favicon.ico
Protocol
H2
Server
147.32.104.5 Břevnov, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
is.buk.cvut.cz
Software
nginx /
Resource Hash
58854b0482d0b4fa7f1a70447294160adc2596dd4c190b605ec213534818fbe1
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Referer
https://is.buk.cvut.cz/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Response headers

date
Sun, 09 Jun 2024 09:08:27 GMT
strict-transport-security
max-age=63072000
last-modified
Mon, 12 Feb 2024 13:28:03 GMT
server
nginx
etag
"65ca1ce3-4a87"
content-type
image/x-icon
cache-control
max-age=864000
accept-ranges
bytes
content-length
19079
expires
Wed, 19 Jun 2024 09:08:27 GMT

Redirect headers

location
https://static.is.buk.cvut.cz/favicon.ico
date
Sun, 09 Jun 2024 09:08:27 GMT
server
nginx
content-length
162
front-end-https
on
content-type
text/html

Verdicts & Comments Add Verdict or Comment

42 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.

function| set_jobs_slider function| hide_jobs_slider function| passwordAlphabetSize function| passwordBits function| passwordHackTime function| passwordHackPeriod function| passwordHackTimeInPeriods function| scrollToFromEverywhere function| remove_fields function| add_fields function| scrollToAnchor function| use_modal function| init_ajax_modal function| modal_loading function| createCookie function| readCookie boolean| jobs_slider_setted number| jobs_number object| jobs_tabSlideOut boolean| jobs_slider_showed number| minimal_password_complexity string| alpha string| cs_lower string| cs_upper string| upper string| upper_punct string| digits number| totalChars number| alphaChars number| csLowerChars number| csUpperChars number| upperChars number| upper_punctChars number| digitChars number| otherChars object| largeNumbers object| passwordHackPeriods function| $ function| jQuery function| DP_jQuery_1717924107357 object| jQuery172021967096243409312 object| EYE

1 Cookies

Domain/Path Name / Value
is.buk.cvut.cz/ Name: session_store
Value: BAh7CEkiD3Nlc3Npb25faWQGOgZFRkkiJTUxNmUzYzcxNzBkYzAxMWJmYWMzNzdlMzU1Y2UzNjFiBjsAVEkiEF9jc3JmX3Rva2VuBjsARkkiMVlXWm8wVkNCc0FuQ2JkUVVuVEF4eEpuRGxYT0kxTzBKU1h1M0dUVW9lL3M9BjsARkkiCmZsYXNoBjsARm86JUFjdGlvbkRpc3BhdGNoOjpGbGFzaDo6Rmxhc2hIYXNoCToKQHVzZWRvOghTZXQGOgpAaGFzaHsAOgxAY2xvc2VkRjoNQGZsYXNoZXN7BzoKZXJyb3IwOgtub3RpY2UwOglAbm93MA%3D%3D--b1fc92945da17d56c701026ecae874e7e7545fca