introcs.cs.princeton.edu Open in urlscan Pro
128.112.136.61 Public Scan

Go To Rescan
Add Verdict Report

Submitted URL:
http://introcs.cs.princeton.edu/
Effective URL:
https://introcs.cs.princeton.edu/java/home/
Submission: On June 10 via manual (June 10th 2022, 6:32:14 pm UTC) from CA — Scanned from CA

Summary HTTP 21 Redirects Links 11 Behaviour Indicators

Summary

This website contacted 5 IPs in 1 countries across 4 domains to perform 21 HTTP transactions. The main IP is 128.112.136.61, located in Trenton, United States and belongs to PRINCETON-AS, US. The main domain is introcs.cs.princeton.edu.
TLS certificate: Issued by R3 on April 28th 2022. Valid for: 3 months.

This is the only time introcs.cs.princeton.edu was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
3 17	128.112.136.61 128.112.136.61	88 (PRINCETON-AS) (PRINCETON-AS)
2	2606:4700::68... 2606:4700::6811:190e	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2607:f8b0:400... 2607:f8b0:4006:80b::200e	15169 (GOOGLE) (GOOGLE)
1 2	2607:f8b0:400... 2607:f8b0:4006:809::2004	15169 (GOOGLE) (GOOGLE)
1 1	2607:f8b0:400... 2607:f8b0:4006:809::200e	15169 (GOOGLE) (GOOGLE)
2	2607:f8b0:400... 2607:f8b0:4006:81e::2008	15169 (GOOGLE) (GOOGLE)
21	5

17 128.112.136.61 (Trenton, United States) 3 redirects

ASN88 (PRINCETON-AS, US)
PTR: wwwprx2.cs.princeton.edu

introcs.cs.princeton.edu	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
algs4.cs.princeton.edu	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2606:4700::6811:190e (United States)

ASN13335 (CLOUDFLARENET, US)

cdnjs.cloudflare.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2607:f8b0:4006:80b::200e (Mullica Hill, United States)

ASN15169 (GOOGLE, US)

www.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2607:f8b0:4006:809::2004 (Mullica Hill, United States) 1 redirects

ASN15169 (GOOGLE, US)

www.google.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2607:f8b0:4006:809::200e (Mullica Hill, United States) 1 redirects

ASN15169 (GOOGLE, US)

cse.google.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2607:f8b0:4006:81e::2008 (Mullica Hill, United States)

ASN15169 (GOOGLE, US)

ssl.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
17	princeton.edu 3 redirects introcs.cs.princeton.edu algs4.cs.princeton.edu	2 MB
4	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 47 ssl.google-analytics.com — Cisco Umbrella Rank: 337	37 KB
3	google.com 2 redirects www.google.com — Cisco Umbrella Rank: 4 cse.google.com — Cisco Umbrella Rank: 2893	1 KB
2	cloudflare.com cdnjs.cloudflare.com — Cisco Umbrella Rank: 223	76 KB
21	4

	Domain	Requested by
9	introcs.cs.princeton.edu	3 redirects introcs.cs.princeton.edu
8	algs4.cs.princeton.edu	introcs.cs.princeton.edu algs4.cs.princeton.edu
2	ssl.google-analytics.com	introcs.cs.princeton.edu
2	www.google.com	1 redirects introcs.cs.princeton.edu
2	www.google-analytics.com	introcs.cs.princeton.edu www.google-analytics.com
2	cdnjs.cloudflare.com	introcs.cs.princeton.edu cdnjs.cloudflare.com
1	cse.google.com	1 redirects
21	7

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

Domain
algs4.cs.princeton.edu
www.coursera.org
amzn.to
www.pearson.com
informit.com
www.pearsonhighered.com
www.princeton.edu
www.cs.princeton.edu

Subject Issuer	Validity	Valid
introcs.cs.princeton.edu R3	`2022-04-28` - `2022-07-27`	3 months	crt.sh
sni.cloudflaressl.com Cloudflare Inc ECC CA-3	`2021-09-21` - `2022-09-20`	a year	crt.sh
algs4.cs.princeton.edu R3	`2022-04-28` - `2022-07-27`	3 months	crt.sh
*.google-analytics.com GTS CA 1C3	`2022-05-25` - `2022-08-17`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://introcs.cs.princeton.edu/java/home/
Frame ID: CAC6A4990FB72DCC3D715A0781E801F4
Requests: 21 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Introduction to Programming in Java · Computer Science

Page URL History Show full URLs

http://introcs.cs.princeton.edu/ HTTP 302
https://introcs.cs.princeton.edu/ HTTP 302
https://introcs.cs.princeton.edu/java/home HTTP 301
https://introcs.cs.princeton.edu/java/home/ Page URL

Detected technologies

MathJax (JavaScript Graphics) Expand

Overall confidence: 100%
Detected patterns

([\d.]+)?/mathjax\.js

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

google-analytics\.com/(?:ga|urchin|analytics)\.js

SWFObject (Miscellaneous) Expand

Overall confidence: 100%
Detected patterns

swfobject.*\.js

Page Statistics

21
Requests

95 %
HTTPS

83 %
IPv6

4
Domains

7
Subdomains

5
IPs

1
Countries

1783 kB
Transfer

2059 kB
Size

9
Cookies

11 Outgoing links

These are links going to different origins than the main page.

URL: https://algs4.cs.princeton.edu/

Search URL Search Domain Scan URL

URL: https://www.coursera.org/learn/cs-programming-java
Title: Online Course

Search URL Search Domain Scan URL

URL: http://amzn.to/2BLKP69
Title: Amazon

Search URL Search Domain Scan URL

URL: https://www.pearson.com/us/higher-education/program/Sedgewick-Introduction-to-Programming-in-Java-An-Interdisciplinary-Approach-2nd-Edition/PGM334823.html
Title: Pearson

Search URL Search Domain Scan URL

URL: http://informit.com/sedgewick
Title: InformIT

Search URL Search Domain Scan URL

URL: http://amzn.to/25JdBjC
Title: Amazon

Search URL Search Domain Scan URL

URL: https://www.pearsonhighered.com/program/Sedgewick-Computer-Science-An-Interdisciplinary-Approach/PGM317047.html
Title: Pearson

Search URL Search Domain Scan URL

URL: http://www.princeton.edu/~cos126
Title: COS 126

Search URL Search Domain Scan URL

URL: https://www.coursera.org/learn/cs-algorithms-theory-machines
Title: Computer Science: Algorithms, Theory, and Machines

Search URL Search Domain Scan URL

URL: https://www.cs.princeton.edu/~rs
Title: Robert Sedgewick

Search URL Search Domain Scan URL

URL: https://www.cs.princeton.edu/~wayne
Title: Kevin Wayne

Search URL Search Domain Scan URL

Page URL History

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

http://introcs.cs.princeton.edu/ HTTP 302
https://introcs.cs.princeton.edu/ HTTP 302
https://introcs.cs.princeton.edu/java/home HTTP 301
https://introcs.cs.princeton.edu/java/home/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 11

https://www.google.com/cse/cse.js?cx=005649317310637734940:_d158dlngnk HTTP 301
https://cse.google.com/cse/cse.js?cx=005649317310637734940:_d158dlngnk HTTP 302
https://www.google.com/sorry/index?continue=https://cse.google.com/cse/cse.js%3Fcx%3D005649317310637734940:_d158dlngnk&q=EhAmB1MAAGB4ZwAAAAAAAAAJGKmcjpUGIhBYD7F6ZdyYDREX5fpFQl3UMgFy

21 HTTP transactions
0 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H/1.1

200
OK

Primary Request / Show response
introcs.cs.princeton.edu/java/home/
Redirect Chain

http://introcs.cs.princeton.edu/
https://introcs.cs.princeton.edu/
https://introcs.cs.princeton.edu/java/home
https://introcs.cs.princeton.edu/java/home/

21 KB
21 KB

46ms
46ms

Document
text/html

128.112.136.61
PRINCETON-AS

General

Check archive.org

Show headers Download Go to

Full URL: https://introcs.cs.princeton.edu/java/home/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 128.112.136.61 Trenton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS: wwwprx2.cs.princeton.edu
Software: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 / PHP/5.6.25
Resource Hash: d18e5bc17d7935a45ea7e6756a0b9fa4725fdfbe7fa2cb16ef5933d82dfcdb53

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-CA,en;q=0.9

Response headers

Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8
Date: Fri, 10 Jun 2022 18:32:09 GMT
Keep-Alive: timeout=5, max=98
Server: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
Transfer-Encoding: chunked
X-Powered-By: PHP/5.6.25

Redirect headers

Connection: Keep-Alive
Content-Length: 251
Content-Type: text/html; charset=iso-8859-1
Date: Fri, 10 Jun 2022 18:32:09 GMT
Keep-Alive: timeout=5, max=99
Location: https://introcs.cs.princeton.edu/java/home/
Server: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30

GET
H/1.1 200
OK introcs.css
introcs.cs.princeton.edu/ 6 KB
6 KB 38ms
25ms Stylesheet
text/css 128.112.136.61
PRINCETON-AS

General

Check archive.org

Show headers Download Go to

Full URL: https://introcs.cs.princeton.edu/introcs.css
Requested by: Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 128.112.136.61 Trenton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS: wwwprx2.cs.princeton.edu
Software: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash: 5a8845a59c8731c02f498af143d190a568777df54102a519e929b0cd8fabab20

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://introcs.cs.princeton.edu/java/home/
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, 10 Jun 2022 18:32:09 GMT
Last-Modified: Fri, 21 Dec 2018 13:00:08 GMT
Server: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag: "178a-57d87d3a0c843"
Content-Type: text/css
Connection: Keep-Alive
Accept-Ranges: bytes
Keep-Alive: timeout=5, max=97
Content-Length: 6026

GET
H2 200 MathJax.js Show response
cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/ 62 KB
17 KB 48ms
21ms Script
application/javascript 2606:4700::6811:190e
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML

Requested by

Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6811:190e , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

48344fd55558bbeb600062a175d052979f9ece87c7299788f8ecf16a46c87bf6

Security Headers

Name	Value
Strict-Transport-Security	max-age=15780000
X-Content-Type-Options	nosniff

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://introcs.cs.princeton.edu/
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, 10 Jun 2022 18:32:09 GMT
content-encoding: br
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age: 1881305
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length: 16889
timing-allow-origin: *
last-modified: Mon, 04 May 2020 16:13:07 GMT
server: cloudflare
cf-cdnjs-via: cfworker/kv
etag: "5eb03f13-f648"
expect-ct: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security: max-age=15780000
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=Ydm8C5IOCFSo6QpEr6Hy%2BoBP8JQw7iLvhZv2QncwthCKbte%2BsGY3JjZfqNhMvbpezNYJZVtosAAcqfiyYvaIFwQwJPK%2Ffquzbv%2FPg22IKoQ1PU014BsGJloHdvG5d7j4d%2BkPq0Yay4MuzMFCYFDyDlet"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
vary: Accept-Encoding
cache-control: public, max-age=30672000
accept-ranges: bytes
cf-ray: 71943022695dca57-YUL
expires: Wed, 31 May 2023 18:32:09 GMT

GET
H/1.1 200
OK swfobject.js Show response
algs4.cs.princeton.edu/media/ 7 KB
7 KB 106ms
25ms Script
application/javascript 128.112.136.61
PRINCETON-AS

General

Check archive.org

Show headers Download Go to

Full URL: https://algs4.cs.princeton.edu/media/swfobject.js
Requested by: Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 128.112.136.61 Trenton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS: wwwprx2.cs.princeton.edu
Software: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash: f2172868bc46d74ad32f2715bc25a8716e07a784b2ecb24d9d077d2125c6c993

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://introcs.cs.princeton.edu/
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, 10 Jun 2022 18:32:09 GMT
Last-Modified: Fri, 26 Aug 2016 11:06:52 GMT
Server: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag: "1ae0-53af782feb418"
Content-Type: application/javascript
Connection: Keep-Alive
Accept-Ranges: bytes
Keep-Alive: timeout=5, max=100
Content-Length: 6880

GET
H/1.1 200
OK cover.png
introcs.cs.princeton.edu/java/ 199 KB
199 KB 25ms
25ms Image
image/png 128.112.136.61
PRINCETON-AS

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://introcs.cs.princeton.edu/java/cover.png
Requested by: Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 128.112.136.61 Trenton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS: wwwprx2.cs.princeton.edu
Software: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash: 48a3d3d93cc465686cbd09659934c9282d8ea21e3adb56956e0bd3f2e0d90b6b

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://introcs.cs.princeton.edu/java/home/
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, 10 Jun 2022 18:32:09 GMT
Last-Modified: Mon, 29 Jan 2018 15:55:11 GMT
Server: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag: "31b83-563ec45633918"
Content-Type: image/png
Connection: Keep-Alive
Accept-Ranges: bytes
Keep-Alive: timeout=5, max=96
Content-Length: 203651

GET
H/1.1 200
OK cover-python.png
introcs.cs.princeton.edu/java/ 291 KB
292 KB 28ms
28ms Image
image/png 128.112.136.61
PRINCETON-AS

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://introcs.cs.princeton.edu/java/cover-python.png
Requested by: Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 128.112.136.61 Trenton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS: wwwprx2.cs.princeton.edu
Software: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash: df87c8ee61da4b89f45364f86cb1c78d8723f1fe44f7f076205c395919513ede

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://introcs.cs.princeton.edu/java/home/
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, 10 Jun 2022 18:32:09 GMT
Last-Modified: Thu, 26 Mar 2015 10:12:22 GMT
Server: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag: "48ce3-5122e4069ae2e"
Content-Type: image/png
Connection: Keep-Alive
Accept-Ranges: bytes
Keep-Alive: timeout=5, max=100
Content-Length: 298211

GET
H/1.1 200
OK cover.png
algs4.cs.princeton.edu/ 38 KB
38 KB 28ms
27ms Image
image/png 128.112.136.61
PRINCETON-AS

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://algs4.cs.princeton.edu/cover.png
Requested by: Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 128.112.136.61 Trenton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS: wwwprx2.cs.princeton.edu
Software: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash: bc56dd37195a649fa67c81b09f564ad1fe564b312dcc489765c3eda7bc0556c0

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://introcs.cs.princeton.edu/
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, 10 Jun 2022 18:32:09 GMT
Last-Modified: Fri, 26 Aug 2016 11:06:22 GMT
Server: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag: "970a-53af7812f0db1"
Content-Type: image/png
Connection: Keep-Alive
Accept-Ranges: bytes
Keep-Alive: timeout=5, max=99
Content-Length: 38666

GET
H/1.1 200
OK cover-java2e.png
introcs.cs.princeton.edu/java/ 190 KB
190 KB 68ms
27ms Image
image/png 128.112.136.61
PRINCETON-AS

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://introcs.cs.princeton.edu/java/cover-java2e.png
Requested by: Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 128.112.136.61 Trenton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS: wwwprx2.cs.princeton.edu
Software: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash: c774007720841107125d937dd8299ccf84a2cd2a9b78f383318c6e8ab7aa1b25

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://introcs.cs.princeton.edu/java/home/
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, 10 Jun 2022 18:32:09 GMT
Last-Modified: Wed, 20 Mar 2019 15:37:52 GMT
Server: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag: "2f6be-58488679b40f6"
Content-Type: image/png
Connection: Keep-Alive
Accept-Ranges: bytes
Keep-Alive: timeout=5, max=100
Content-Length: 194238

GET
H/1.1 200
OK cover-cs.png
introcs.cs.princeton.edu/java/ 812 KB
812 KB 68ms
27ms Image
image/png 128.112.136.61
PRINCETON-AS

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://introcs.cs.princeton.edu/java/cover-cs.png
Requested by: Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 128.112.136.61 Trenton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS: wwwprx2.cs.princeton.edu
Software: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash: 78fa94ff410580362364a3a2f11807522a05f60401e24ef11216857f0141e0fe

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://introcs.cs.princeton.edu/java/home/
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Full URL

https://ssl.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=1&utmn=1163781132&utmhn=introcs.cs.princeton.edu&utmcs=UTF-8&utmsr=1600x1200&utmvp=1600x1200&utmsc=24-bit&utmul=en-us&utmje=0&utmfl=-&utmdt=Introduction%20to%20Programming%20in%20Java%20%C2%B7%20Computer%20Science&utmhid=910537050&utmr=-&utmp=%2Fjava%2Fhome%2F&utmht=1654885929591&utmac=UA-10811519-1&utmcc=__utma%3D193361013.1549722873.1654885930.1654885930.1654885930.1%3B%2B__utmz%3D193361013.1654885930.1.1.utmcsr%3D(direct)%7Cutmccn%3D(direct)%7Cutmcmd%3D(none)%3B&utmjid=1561346730&utmredir=1&utmu=DAAAAAAAAAAAAAAAAAABAAAE~

Requested by

Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/

Protocol

Security

QUIC, , AES_128_GCM

Server

2607:f8b0:4006:81e::2008 Mullica Hill, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://introcs.cs.princeton.edu/
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, 10 Jun 2022 18:32:09 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

Verdicts & Comments Add Verdict or Comment

23 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.

9 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path	Expires	Name / Value
.princeton.edu/	1970-01-20 21:12:37	Name: _ga Value: GA1.2.1549722873.1654885930
.princeton.edu/	1970-01-20 03:42:52	Name: _gid Value: GA1.2.1193100885.1654885930
.princeton.edu/	1970-01-20 03:41:25	Name: _gat Value: 1
.introcs.cs.princeton.edu/	1970-01-20 21:12:37	Name: __utma Value: 193361013.1549722873.1654885930.1654885930.1654885930.1
.introcs.cs.princeton.edu/	1969-12-31 23:59:59	Name: __utmc Value: 193361013
.introcs.cs.princeton.edu/	1970-01-20 08:04:13	Name: __utmz Value: 193361013.1654885930.1.1.utmcsr=(direct)\|utmccn=(direct)\|utmcmd=(none)
.introcs.cs.princeton.edu/	1970-01-20 03:41:26	Name: __utmt Value: 1
.introcs.cs.princeton.edu/	1970-01-20 03:41:27	Name: __utmb Value: 193361013.1.10.1654885930
.google.com/	1970-01-20 08:04:57	Name: NID Value: 511=LitdGh41i3iyUEigWckImRZ1RjAA7HlKF4t77Oo33TsKgbqZB7QcxdlQZS-D2PmQL2bi8BXeimLiXcGxTiWgu9Ti5PtFj48uXhvEd2X-xf_ADZWxqKweIRYW1LnItG6t_KpIrM2ZdYo_00UuD1giWGUwmZS5vvTGXXbteKK1S9Y

3 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
javascript	warning	URL: https://introcs.cs.princeton.edu/java/home/(Line 491) Message: A parser-blocking, cross site (i.e. different eTLD+1) script, https://ssl.google-analytics.com/ga.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.
javascript	warning	URL: https://introcs.cs.princeton.edu/java/home/(Line 491) Message: A parser-blocking, cross site (i.e. different eTLD+1) script, https://ssl.google-analytics.com/ga.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.
network	error	URL: https://www.google.com/sorry/index?continue=https://cse.google.com/cse/cse.js%3Fcx%3D005649317310637734940:_d158dlngnk&q=EhAmB1MAAGB4ZwAAAAAAAAAJGKmcjpUGIhBYD7F6ZdyYDREX5fpFQl3UMgFy Message: Failed to load resource: the server responded with a status of 429 ()

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.

algs4.cs.princeton.edu
cdnjs.cloudflare.com
cse.google.com
introcs.cs.princeton.edu
ssl.google-analytics.com
www.google-analytics.com
www.google.com
128.112.136.61
2606:4700::6811:190e
2607:f8b0:4006:809::2004
2607:f8b0:4006:809::200e
2607:f8b0:4006:80b::200e
2607:f8b0:4006:81e::2008
1259ea99bd76596239bfd3102c679eb0a5052578dc526b0452f4d42f8bcdd45f
1555801a0ec7dff70c92a7ef10eaafc846414041dd9e26f86752fb0fac904a1e
48344fd55558bbeb600062a175d052979f9ece87c7299788f8ecf16a46c87bf6
48a3d3d93cc465686cbd09659934c9282d8ea21e3adb56956e0bd3f2e0d90b6b
5a8845a59c8731c02f498af143d190a568777df54102a519e929b0cd8fabab20
78fa94ff410580362364a3a2f11807522a05f60401e24ef11216857f0141e0fe
8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
8df260b35bb9f49c0d937fcbf0ec13fb661b0d281528aec977aee6a8c3f83688
a048e640908046be06e00eab37742b5d5ff80964af58cfd22f7cb2de4dfe375f
a1925038db769477ab74b4df34350c35688a795bb718727b0f4292a4a78a6210
bc56dd37195a649fa67c81b09f564ad1fe564b312dcc489765c3eda7bc0556c0
beb10df7d9444d057934a9f89b1a2a0a697c0859d114c98a007d697fa3c6655e
c774007720841107125d937dd8299ccf84a2cd2a9b78f383318c6e8ab7aa1b25
d18e5bc17d7935a45ea7e6756a0b9fa4725fdfbe7fa2cb16ef5933d82dfcdb53
d70b39723833e390a5cb4604e2d37f7dfaa780a248b5c86238d7835bebf46033
db68ca0654fcc8440e344c509e4b132eabfb607317dbd53195b37f9a2fa81245
df87c8ee61da4b89f45364f86cb1c78d8723f1fe44f7f076205c395919513ede
dfb197a9849bf8e4bccde93d792e75de460d9b44c1d3a48a02a8de68fad4b16a
e1ef371240183d4a6a6d4dd121f17c3a49c65641e384dec8a766a3b6dbc42314
f2172868bc46d74ad32f2715bc25a8716e07a784b2ecb24d9d077d2125c6c993

introcs.cs.princeton.edu Open in urlscan Pro 128.112.136.61 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

21 Requests

95 %HTTPS

83 %IPv6

4 Domains

7 Subdomains

5 IPs

1 Countries

1783 kBTransfer

2059 kBSize

9 Cookies

11 Outgoing links

Page URL History

Redirected requests

21 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

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Verdicts & Comments Add Verdict or Comment

23 JavaScript Global Variables

9 Cookies

3 Console Messages

Indicators

introcs.cs.princeton.edu Open in urlscan Pro
128.112.136.61 Public Scan

Screenshot
Live screenshot

Full Image

21
Requests

95 %
HTTPS

83 %
IPv6

4
Domains

7
Subdomains

5
IPs

1
Countries

1783 kB
Transfer

2059 kB
Size

9
Cookies

21 HTTP transactions
0 data transactions