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sel4.systems Open in urlscan Pro
129.94.175.75  Public Scan

Go To Rescan Add Verdict Report
URL: http://sel4.systems/
Submission: On May 27 via api from GB — Scanned from GB
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 4 IPs in 2 countries across 4 domains to perform 22 HTTP transactions. The main IP is 129.94.175.75, located in Sydney, Australia and belongs to UNSW-AS-AP University of New South Wales, AU. The main domain is sel4.systems.
This is the only time sel4.systems was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
18 129.94.175.75 23859 (UNSW-AS-A...)
1 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
22 4
Apex Domain
Subdomains		 Transfer
18 sel4.systems
sel4.systems
548 KB
2 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 35
17 KB
1 gstatic.com
fonts.gstatic.com
16 KB
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 42
1 KB
22 4
Domain Requested by
18 sel4.systems sel4.systems
2 www.google-analytics.com sel4.systems
1 fonts.gstatic.com fonts.googleapis.com
1 fonts.googleapis.com sel4.systems
22 4

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

Domain
github.com
docs.sel4.systems
twitter.com
www.youtube.com
www.linkedin.com
www.lfprojects.org
Subject Issuer Validity Valid
upload.video.google.com
GTS CA 1C3		 2022-05-04 -
2022-07-27		 3 months crt.sh
*.gstatic.com
GTS CA 1C3		 2022-05-04 -
2022-07-27		 3 months crt.sh

This page contains 1 frames:

Primary Page: http://sel4.systems/
Frame ID: 6DDEB6559300F9B9CDA2E5420C5F4C74
Requests: 22 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Home | seL4

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.css
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js
Overall confidence: 100%
Detected patterns
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

22
Requests

9 %
HTTPS

75 %
IPv6

4
Domains

4
Subdomains

4
IPs

2
Countries

583 kB
Transfer

804 kB
Size

5
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 18
  • http://www.google-analytics.com/ga.js HTTP 307
  • https://www.google-analytics.com/ga.js
Request Chain 20
  • http://www.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=1&utmn=1856454712&utmhn=sel4.systems&utmcs=UTF-8&utmsr=1600x1200&utmvp=1600x1200&utmsc=24-bit&utmul=en-us&utmje=0&utmfl=-&utmdt=Home%20%7C%20seL4&utmhid=373126372&utmr=-&utmp=%2F&utmht=1653674415273&utmac=UA-117737473-1&utmcc=__utma%3D41508128.447504121.1653674415.1653674415.1653674415.1%3B%2B__utmz%3D41508128.1653674415.1.1.utmcsr%3D(direct)%7Cutmccn%3D(direct)%7Cutmcmd%3D(none)%3B&utmjid=1692403393&utmredir=1&utmu=qAAAAAAAAAAAAAAAAAAAAAAE~ HTTP 307
  • https://www.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=1&utmn=1856454712&utmhn=sel4.systems&utmcs=UTF-8&utmsr=1600x1200&utmvp=1600x1200&utmsc=24-bit&utmul=en-us&utmje=0&utmfl=-&utmdt=Home%20%7C%20seL4&utmhid=373126372&utmr=-&utmp=%2F&utmht=1653674415273&utmac=UA-117737473-1&utmcc=__utma%3D41508128.447504121.1653674415.1653674415.1653674415.1%3B%2B__utmz%3D41508128.1653674415.1.1.utmcsr%3D(direct)%7Cutmccn%3D(direct)%7Cutmcmd%3D(none)%3B&utmjid=1692403393&utmredir=1&utmu=qAAAAAAAAAAAAAAAAAAAAAAE~

22 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
sel4.systems/ 		16 KB
4 KB 		Document
General
Check archive.org
Download Go to
Full URL
http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
39efd08b4785b2e2706300048c0f57abb2fba2bfd16fca2a5826836b697a1f67
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36
accept-language
en-GB,en;q=0.9

Response headers

Connection
keep-alive
Content-Encoding
gzip
Content-Type
text/html; charset=utf-8
Date
Fri, 27 May 2022 18:00:14 GMT
Server
nginx
Transfer-Encoding
chunked
Vary
Accept-Encoding
X-Frame-Options
SAMEORIGIN
X-XSS-Protection
1; mode=block
bootstrap.min.css
sel4.systems/css/ 		118 KB
20 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
http://sel4.systems/css/bootstrap.min.css
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
f75e846cc83bd11432f4b1e21a45f31bc85283d11d372f7b19accd1bf6a2635c
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date
Fri, 27 May 2022 18:00:14 GMT
Content-Encoding
gzip
Vary
Accept-Encoding
Last-Modified
Wed, 28 Jul 2021 04:01:36 GMT
Server
nginx
ETag
"1d970-5c8270aefd5a2-gzip"
X-Frame-Options
SAMEORIGIN
Content-Type
text/css
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
19744
X-XSS-Protection
1; mode=block
sel4.css
sel4.systems/css/ 		7 KB
2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
http://sel4.systems/css/sel4.css
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
aab94e0652bee2b21b3d887f95c4cb5da41c33b61342c51f847f8e228f909ed3
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date
Fri, 27 May 2022 18:00:14 GMT
Content-Encoding
gzip
Vary
Accept-Encoding
Last-Modified
Fri, 13 May 2022 00:01:02 GMT
Server
nginx
ETag
"1cc8-5ded95ec39889-gzip"
X-Frame-Options
SAMEORIGIN
Content-Type
text/css
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
2119
X-XSS-Protection
1; mode=block
logo-text-white.svg
sel4.systems/images/ 		18 KB
18 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
http://sel4.systems/images/logo-text-white.svg
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
d6d657ea561f099a934e152e1749b0a1341e0d2890eec040dcd882f23a61adb0
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date
Fri, 27 May 2022 18:00:16 GMT
Last-Modified
Wed, 28 Jul 2021 04:01:36 GMT
Server
nginx
ETag
"4690-5c8270aeff4e2"
X-Frame-Options
SAMEORIGIN
Content-Type
image/svg+xml
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
18064
X-XSS-Protection
1; mode=block
seL4.svg
sel4.systems/images/ 		4 KB
4 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
http://sel4.systems/images/seL4.svg
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
bc7634c8695bd0c6b2d485ced380a65745ff9f8f56940e9fbd4db83d746f3cc2
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date
Fri, 27 May 2022 18:00:16 GMT
Last-Modified
Wed, 28 Jul 2021 04:01:36 GMT
Server
nginx
ETag
"eb8-5c8270af052a2"
X-Frame-Options
SAMEORIGIN
Content-Type
image/svg+xml
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
3768
X-XSS-Protection
1; mode=block
sel4-foundation-logo.svg
sel4.systems/images/ 		5 KB
5 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
http://sel4.systems/images/sel4-foundation-logo.svg
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
82c19390548080d06b77050467181f33469a0c2a1dad43e79007459ce6d181eb
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date
Fri, 27 May 2022 18:00:16 GMT
Last-Modified
Wed, 28 Jul 2021 04:01:36 GMT
Server
nginx
ETag
"1300-5c8270af052a2"
X-Frame-Options
SAMEORIGIN
Content-Type
image/svg+xml
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
4864
X-XSS-Protection
1; mode=block
contacts.png
sel4.systems/images/ 		57 KB
57 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
http://sel4.systems/images/contacts.png
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
cdf3c1f4e0ff2bb0168de82054209dda1f6ed8e19872b220a8dcc693fa2e1cbe
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date
Fri, 27 May 2022 18:00:16 GMT
Last-Modified
Wed, 28 Jul 2021 04:01:36 GMT
Server
nginx
ETag
"e429-5c8270aefe542"
X-Frame-Options
SAMEORIGIN
Content-Type
image/png
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
58409
X-XSS-Protection
1; mode=block
contributing.jpg
sel4.systems/images/ 		52 KB
52 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
http://sel4.systems/images/contributing.jpg
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
bf932a3525556da94eb9abe6eaa8cdfc9eeabc9bee8d2105fd4ce50b6919c55f
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date
Fri, 27 May 2022 18:00:15 GMT
Last-Modified
Wed, 28 Jul 2021 04:01:36 GMT
Server
nginx
ETag
"d0a2-5c8270aefe542"
X-Frame-Options
SAMEORIGIN
Content-Type
image/jpeg
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
53410
X-XSS-Protection
1; mode=block
sel4_quad_low.jpg
sel4.systems/images/ 		141 KB
141 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
http://sel4.systems/images/sel4_quad_low.jpg
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
724a099870b9244c005c02fce10aa512d5acac467099e11a9ce8e325da341318
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date
Fri, 27 May 2022 18:00:15 GMT
Last-Modified
Wed, 28 Jul 2021 04:01:36 GMT
Server
nginx
ETag
"2341b-5c8270af052a2"
X-Frame-Options
SAMEORIGIN
Content-Type
image/jpeg
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
144411
X-XSS-Protection
1; mode=block
learning.jpg
sel4.systems/images/ 		25 KB
26 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
http://sel4.systems/images/learning.jpg
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
5afcaf02416b88b725b1be97802ca760b97bb13492cea6ddc63a2398ccec1f6f
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date
Fri, 27 May 2022 18:00:15 GMT
Last-Modified
Wed, 28 Jul 2021 04:01:36 GMT
Server
nginx
ETag
"65dc-5c8270aeff4e2"
X-Frame-Options
SAMEORIGIN
Content-Type
image/jpeg
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
26076
X-XSS-Protection
1; mode=block
support.png
sel4.systems/images/ 		55 KB
55 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
http://sel4.systems/images/support.png
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
af869a69270d6763ef0e7dfe3c5498b6fe4406fe2c6f0a7f4d4ae0fbcedfb764
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date
Fri, 27 May 2022 18:00:15 GMT
Last-Modified
Wed, 28 Jul 2021 04:01:36 GMT
Server
nginx
ETag
"dbcb-5c8270af06242"
X-Frame-Options
SAMEORIGIN
Content-Type
image/png
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
56267
X-XSS-Protection
1; mode=block
scales.png
sel4.systems/images/ 		6 KB
6 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
http://sel4.systems/images/scales.png
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
182522d63fcb0a8ef77d62691f8f73f99a19d453f7c3c9f795f46ddd08f91c7e
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date
Fri, 27 May 2022 18:00:15 GMT
Last-Modified
Wed, 28 Jul 2021 04:01:36 GMT
Server
nginx
ETag
"177a-5c8270af052a2"
X-Frame-Options
SAMEORIGIN
Content-Type
image/png
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
6010
X-XSS-Protection
1; mode=block
more_info.png
sel4.systems/images/ 		95 KB
95 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
http://sel4.systems/images/more_info.png
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
225c613c4f812082a111801cd042d9e9c8f97d1bcdbc7c1441549fa073e0fe04
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date
Fri, 27 May 2022 18:00:15 GMT
Last-Modified
Wed, 28 Jul 2021 04:01:36 GMT
Server
nginx
ETag
"17b10-5c8270aeff4e2"
X-Frame-Options
SAMEORIGIN
Content-Type
image/png
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
97040
X-XSS-Protection
1; mode=block
twitter.svg
sel4.systems/images/icons/ 		2 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
http://sel4.systems/images/icons/twitter.svg
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
b9de9e237e67dd3d5e0303fcf93cbe09ca3e0a4493abb7b6d98f7d6a7804bbf4
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date
Fri, 27 May 2022 18:00:15 GMT
Last-Modified
Mon, 09 May 2022 08:31:02 GMT
Server
nginx
ETag
"9a8-5de90075105ad"
X-Frame-Options
SAMEORIGIN
Content-Type
image/svg+xml
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
2472
X-XSS-Protection
1; mode=block
youtube.svg
sel4.systems/images/icons/ 		4 KB
4 KB 		Image
General
Check archive.org
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Full URL
http://sel4.systems/images/icons/youtube.svg
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
18184e7582be3a3afc4da26012d7d9e8aaf3d0f94206a0e7a7344142258255eb
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date
Fri, 27 May 2022 18:00:15 GMT
Last-Modified
Mon, 09 May 2022 08:31:02 GMT
Server
nginx
ETag
"fc3-5de900751348c"
X-Frame-Options
SAMEORIGIN
Content-Type
image/svg+xml
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
4035
X-XSS-Protection
1; mode=block
linkedin.svg
sel4.systems/images/icons/ 		13 KB
14 KB 		Image
General
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Full URL
http://sel4.systems/images/icons/linkedin.svg
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
b92fe4473dcc3c24900bc0d6df98f1c04b2b001937372c617c9d49a09e0439c4
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date
Fri, 27 May 2022 18:00:15 GMT
Last-Modified
Mon, 09 May 2022 08:31:02 GMT
Server
nginx
ETag
"3526-5de900750f60d"
X-Frame-Options
SAMEORIGIN
Content-Type
image/svg+xml
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
13606
X-XSS-Protection
1; mode=block
jquery.min.js
sel4.systems/js/ 		94 KB
33 KB 		Script
General
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Full URL
http://sel4.systems/js/jquery.min.js
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
b294e973896f8f874e90a8eb1a8908ac790980d034c4c4bdf0fc3d37b8abf682
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date
Fri, 27 May 2022 18:00:14 GMT
Content-Encoding
gzip
Vary
Accept-Encoding
Last-Modified
Wed, 28 Jul 2021 04:01:36 GMT
Server
nginx
ETag
"1787d-5c8270af071e2-gzip"
X-Frame-Options
SAMEORIGIN
Content-Type
application/javascript
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
33369
X-XSS-Protection
1; mode=block
bootstrap.min.js
sel4.systems/js/ 		28 KB
8 KB 		Script
General
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Full URL
http://sel4.systems/js/bootstrap.min.js
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
HTTP/1.1
Server
129.94.175.75 Sydney, Australia, ASN23859 (UNSW-AS-AP University of New South Wales, AU),
Reverse DNS
sel4-www.cse.unsw.EDU.AU
Software
nginx /
Resource Hash
898d05a17f2cfc5120ddcdba47a885c378c0b466f30f0700e502757e24b403a1
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date
Fri, 27 May 2022 18:00:15 GMT
Content-Encoding
gzip
Vary
Accept-Encoding
Last-Modified
Wed, 28 Jul 2021 04:01:36 GMT
Server
nginx
ETag
"71b6-5c8270af071e2-gzip"
X-Frame-Options
SAMEORIGIN
Content-Type
application/javascript
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
7679
X-XSS-Protection
1; mode=block
css2
fonts.googleapis.com/ 		2 KB
1 KB 		Stylesheet
General
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Full URL
https://fonts.googleapis.com/css2?family=Roboto&display=swap
Requested by
Host: sel4.systems
URL: http://sel4.systems/css/sel4.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:830::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
2358eef82e19f11d27748db3055007ae32cc450a0c52aae4a1a95a45ff133048
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
x-xss-protection
0
last-modified
Fri, 27 May 2022 17:38:34 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
date
Fri, 27 May 2022 18:00:14 GMT
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Fri, 27 May 2022 18:00:14 GMT
ga.js
www.google-analytics.com/
Redirect Chain
  • http://www.google-analytics.com/ga.js
  • https://www.google-analytics.com/ga.js
45 KB
17 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/ga.js
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
H2
Server
2a00:1450:4001:831::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
1259ea99bd76596239bfd3102c679eb0a5052578dc526b0452f4d42f8bcdd45f
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Wed, 13 Apr 2022 21:02:38 GMT
server
Golfe2
age
5733
date
Fri, 27 May 2022 16:24:42 GMT
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
17168
expires
Fri, 27 May 2022 18:24:42 GMT

Redirect headers

Location
https://www.google-analytics.com/ga.js
Non-Authoritative-Reason
HSTS
Cross-Origin-Resource-Policy
Cross-Origin
KFOmCnqEu92Fr1Mu4mxK.woff2
fonts.gstatic.com/s/roboto/v30/ 		15 KB
16 KB 		Font
General
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Full URL
https://fonts.gstatic.com/s/roboto/v30/KFOmCnqEu92Fr1Mu4mxK.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css2?family=Roboto&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:827::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
f6734f8177112c0839b961f96d813fcb189d81b60e96c33278c1983b6f419615
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
http://sel4.systems
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

date
Mon, 23 May 2022 19:07:55 GMT
x-content-type-options
nosniff
age
341540
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
15744
x-xss-protection
0
last-modified
Wed, 11 May 2022 19:24:48 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Tue, 23 May 2023 19:07:55 GMT
__utm.gif
www.google-analytics.com/r/
Redirect Chain
  • http://www.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=1&utmn=1856454712&utmhn=sel4.systems&utmcs=UTF-8&utmsr=1600x1200&utmvp=1600x1200&utmsc=24-bit&utmul=en-us&utmje=0&utmfl=-&utmdt=Home%20%...
  • https://www.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=1&utmn=1856454712&utmhn=sel4.systems&utmcs=UTF-8&utmsr=1600x1200&utmvp=1600x1200&utmsc=24-bit&utmul=en-us&utmje=0&utmfl=-&utmdt=Home%20...
35 B
197 B 		Image
General
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Full URL
https://www.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=1&utmn=1856454712&utmhn=sel4.systems&utmcs=UTF-8&utmsr=1600x1200&utmvp=1600x1200&utmsc=24-bit&utmul=en-us&utmje=0&utmfl=-&utmdt=Home%20%7C%20seL4&utmhid=373126372&utmr=-&utmp=%2F&utmht=1653674415273&utmac=UA-117737473-1&utmcc=__utma%3D41508128.447504121.1653674415.1653674415.1653674415.1%3B%2B__utmz%3D41508128.1653674415.1.1.utmcsr%3D(direct)%7Cutmccn%3D(direct)%7Cutmcmd%3D(none)%3B&utmjid=1692403393&utmredir=1&utmu=qAAAAAAAAAAAAAAAAAAAAAAE~
Requested by
Host: sel4.systems
URL: http://sel4.systems/
Protocol
H2
Server
2a00:1450:4001:831::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

pragma
no-cache
date
Fri, 27 May 2022 18:00:15 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
content-type
image/gif
access-control-allow-origin
*
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
35
expires
Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

Location
https://www.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=1&utmn=1856454712&utmhn=sel4.systems&utmcs=UTF-8&utmsr=1600x1200&utmvp=1600x1200&utmsc=24-bit&utmul=en-us&utmje=0&utmfl=-&utmdt=Home%20%7C%20seL4&utmhid=373126372&utmr=-&utmp=%2F&utmht=1653674415273&utmac=UA-117737473-1&utmcc=__utma%3D41508128.447504121.1653674415.1653674415.1653674415.1%3B%2B__utmz%3D41508128.1653674415.1.1.utmcsr%3D(direct)%7Cutmccn%3D(direct)%7Cutmcmd%3D(none)%3B&utmjid=1692403393&utmredir=1&utmu=qAAAAAAAAAAAAAAAAAAAAAAE~
Non-Authoritative-Reason
HSTS
Cross-Origin-Resource-Policy
Cross-Origin

Verdicts & Comments Add Verdict or Comment

12 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.

object| oncontextlost object| oncontextrestored function| structuredClone object| launchQueue object| onbeforematch object| navigation object| _gaq object| _gat object| gaGlobal function| $ function| jQuery object| jQuery1110014223911655301347

5 Cookies

Domain/Path Name / Value
.sel4.systems/ Name: __utma
Value: 41508128.447504121.1653674415.1653674415.1653674415.1
.sel4.systems/ Name: __utmc
Value: 41508128
.sel4.systems/ Name: __utmz
Value: 41508128.1653674415.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)
.sel4.systems/ Name: __utmt
Value: 1
.sel4.systems/ Name: __utmb
Value: 41508128.1.10.1653674415

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
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

fonts.googleapis.com
fonts.gstatic.com
sel4.systems
www.google-analytics.com
129.94.175.75
2a00:1450:4001:827::2003
2a00:1450:4001:830::200a
2a00:1450:4001:831::200e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