Nmap scan report for cluster20.instructure.com (3.214.187.58)
Host is up (0.057s latency).
Other addresses for cluster20.instructure.com (not scanned): 52.45.32.197 3.212.190.61
rDNS record for 3.214.187.58: ec2-3-214-187-58.compute-1.amazonaws.com
Not shown: 998 filtered tcp ports (no-response)
PORT STATE SERVICE VERSION
80/tcp open http awselb/2.0
|_http-server-header: awselb/2.0
| fingerprint-strings:
| FourOhFourRequest:
| HTTP/1.1 301 Moved Permanently
| Server: awselb/2.0
| Date: Sat, 13 Sep 2025 02:34:53 GMT
| Content-Type: text/html
| Content-Length: 134
| Connection: close
| Location: https://canvas-iad-prod-c20-1413077488.us-east-1.elb.amazonaws.com:443/nice%20ports%2C/Tri%6Eity.txt%2ebak
|
| 301 Moved Permanently
|
| 301 Moved Permanently
|
|
| GetRequest, HTTPOptions:
| HTTP/1.1 301 Moved Permanently
| Server: awselb/2.0
| Date: Sat, 13 Sep 2025 02:34:53 GMT
| Content-Type: text/html
| Content-Length: 134
| Connection: close
| Location: https://canvas-iad-prod-c20-1413077488.us-east-1.elb.amazonaws.com:443/
|
| 301 Moved Permanently
|
| 301 Moved Permanently
|
|
| RTSPRequest:
|
| 400 Bad Request
|
| 400 Bad Request
|
|
| X11Probe:
| HTTP/1.1 400 Bad Request
| Server: awselb/2.0
| Date: Sat, 13 Sep 2025 02:34:53 GMT
| Content-Type: text/html
| Content-Length: 122
| Connection: close
|
| 400 Bad Request
|
| 400 Bad Request
|
|_
|_http-title: Did not follow redirect to https://cluster20.instructure.com:443/
443/tcp open ssl/http Apache httpd
|_ssl-date: TLS randomness does not represent time
| http-title: Canvas Login | Instructure
|_Requested resource was https://cluster20.instructure.com/login/canvas
| ssl-cert: Subject: commonName=cluster20.canvas-user-content.com
| Subject Alternative Name: DNS:cluster20.canvas-user-content.com, DNS:*.instructure.com, DNS:instructure.com, DNS:canvaslms.com, DNS:*.canvaslms.com, DNS:*.cluster20.canvas-user-content.com
| Not valid before: 2025-06-02T00:00:00
|_Not valid after: 2026-07-01T23:59:59
| http-robots.txt: 1 disallowed entry
|_/page_views/
|_http-server-header: Apache
1 service unrecognized despite returning data. If you know the service/version, please submit the following fingerprint at https://nmap.org/cgi-bin/submit.cgi?new-service :
SF-Port80-TCP:V=7.92%I=7%D=9/12%Time=68C4D84D%P=x86_64-redhat-linux-gnu%r(
SF:GetRequest,175,"HTTP/1\.1\x20301\x20Moved\x20Permanently\r\nServer:\x20
SF:awselb/2\.0\r\nDate:\x20Sat,\x2013\x20Sep\x202025\x2002:34:53\x20GMT\r\
SF:nContent-Type:\x20text/html\r\nContent-Length:\x20134\r\nConnection:\x2
SF:0close\r\nLocation:\x20https://canvas-iad-prod-c20-1413077488\.us-east-
SF:1\.elb\.amazonaws\.com:443/\r\n\r\n\r\n301\x20Moved\
SF:x20Permanently\r\n\r\n301\x20Moved\x20
SF:Permanently
\r\n\r\n\r\n")%r(HTTPOptions,175
SF:,"HTTP/1\.1\x20301\x20Moved\x20Permanently\r\nServer:\x20awselb/2\.0\r\
SF:nDate:\x20Sat,\x2013\x20Sep\x202025\x2002:34:53\x20GMT\r\nContent-Type:
SF:\x20text/html\r\nContent-Length:\x20134\r\nConnection:\x20close\r\nLoca
SF:tion:\x20https://canvas-iad-prod-c20-1413077488\.us-east-1\.elb\.amazon
SF:aws\.com:443/\r\n\r\n\r\n301\x20Moved\x20Permanently
SF:\r\n\r\n301\x20Moved\x20Permanently
\r\n\r\n\r\n")%r(RTSPRequest,7A,"\r\n400\x20Bad\x20Request\r\n\r\n400\x20Bad\x20Request
\r\n\r\n