Nmap scan report for csub.instructure.com (44.217.124.163) Host is up (0.057s latency). Other addresses for csub.instructure.com (not scanned): 3.232.4.34 44.193.87.38 rDNS record for 44.217.124.163: ec2-44-217-124-163.compute-1.amazonaws.com Not shown: 998 filtered tcp ports (no-response) PORT STATE SERVICE VERSION 80/tcp open http awselb/2.0 |_http-title: Did not follow redirect to https://csub.instructure.com:443/ |_http-server-header: awselb/2.0 | fingerprint-strings: | FourOhFourRequest: | HTTP/1.1 301 Moved Permanently | Server: awselb/2.0 | Date: Sat, 13 Sep 2025 05:22:55 GMT | Content-Type: text/html | Content-Length: 134 | Connection: close | Location: https://canvas-iad-prod-c56-444255748.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 05:22:55 GMT | Content-Type: text/html | Content-Length: 134 | Connection: close | Location: https://canvas-iad-prod-c56-444255748.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 05:22:55 GMT | Content-Type: text/html | Content-Length: 122 | Connection: close | | 400 Bad Request | |

400 Bad Request

| |_ 443/tcp open ssl/http Apache httpd |_ssl-date: TLS randomness does not represent time |_http-server-header: Apache | http-robots.txt: 1 disallowed entry |_/page_views/ | ssl-cert: Subject: commonName=cluster56.canvas-user-content.com | Subject Alternative Name: DNS:cluster56.canvas-user-content.com, DNS:*.cluster56.canvas-user-content.com, DNS:*.instructure.com, DNS:instructure.com, DNS:canvaslms.com, DNS:*.canvaslms.com | Not valid before: 2025-06-02T00:00:00 |_Not valid after: 2026-07-01T23:59:59 |_http-title: Did not follow redirect to https://login.microsoftonline.com/ab5a62b4-a6bf-460e-8a86-dec0f8001704/saml2?SAMLRequest=fZLNbtswEITvfQqBd0oU9WOHsA04NoIacFIjdnvopaCoVUKAIl0ulbZvX1pOEOcQX5c7%2B83OcoayN0exHMKzfYTfA2BI%2FvbGohgf5mTwVjiJGoWVPaAISuyX91vBUyaO3gWnnCEXkusKiQg%2BaGdJslnPya%2B64zyvVEnlpKxoqdiENvUNpzLnBUyLtizKgiQ%2FwGPUzEkcEYWIA2wsBmlDLDFeUXZD8%2BLAKsELkec%2FSbKOe2grw6h6DuGIIsuMe9I27bXyDl0XnDXaQqpcn8mmkjVvoo266WhZM6BTOa1pC4p1U8byCSuz03acJMu3FVbO4tCD34N%2F0Qq%2BP27fUQqHJtXRox9UGPyZMvLHMSTZvUZ3q22r7dP11JpzE4qvh8OO7r7tD2QxO80RYxZ%2BccJ%2BRh1tz7LL9tn56A8RtFnvnNHqX3LnfC%2FD5z7yNB8ruqXd2Cqgl9os29YDYozFGPdn5UEGmJNoAEi2OFM%2F%2Fq7Fl%2F8%3D&SigAlg=http%3A%2F%2Fwww.w3.org%2F2001%2F04%2Fxmldsig-more%23rsa-sha256&Signature=8D3rn0YPscGSdRUi59GWSMXAh4brBNsHIZntV9c5Hu97nUzz23j0Vqv1aT09wOXtuIBlwwF%2FTKzdkREtfH0gIWA%2FyUCfwa1CwvEtPpd9s6vN%2FbP67O2feax9tmT%2F9jrAlTI%2FVTj5v6DozQ843ASAFUaTSWj4W6xHIuodAl6Gru4zBC6nn4GmcwYWjTJEcdy2O5jgxn9YDpPkwvlPWDevVskdiOm7qaRgRM2gLHQrj9AK0OGFpeXk6%2BIykNRonTjMzUwIEGseIIIMxE5RhEgz8%2FHTEa2qw0qzP%2FjvegtbvGZEjOjIjkx86LSGJmPzXjhIbxvrXsmRJTP%2BThIOlOeOUQ%3D%3D 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=68C4FFAE%P=x86_64-redhat-linux-gnu%r( SF:GetRequest,174,"HTTP/1\.1\x20301\x20Moved\x20Permanently\r\nServer:\x20 SF:awselb/2\.0\r\nDate:\x20Sat,\x2013\x20Sep\x202025\x2005:22:55\x20GMT\r\ SF:nContent-Type:\x20text/html\r\nContent-Length:\x20134\r\nConnection:\x2 SF:0close\r\nLocation:\x20https://canvas-iad-prod-c56-444255748\.us-east-1 SF:\.elb\.amazonaws\.com:443/\r\n\r\n\r\n301\x20Moved\x SF:20Permanently\r\n\r\n

301\x20Moved\x20P SF:ermanently

\r\n\r\n\r\n")%r(HTTPOptions,174, SF:"HTTP/1\.1\x20301\x20Moved\x20Permanently\r\nServer:\x20awselb/2\.0\r\n SF:Date:\x20Sat,\x2013\x20Sep\x202025\x2005:22:55\x20GMT\r\nContent-Type:\ SF:x20text/html\r\nContent-Length:\x20134\r\nConnection:\x20close\r\nLocat SF:ion:\x20https://canvas-iad-prod-c56-444255748\.us-east-1\.elb\.amazonaw SF:s\.com:443/\r\n\r\n\r\n301\x20Moved\x20Permanently</ SF:title></head>\r\n<body>\r\n<center><h1>301\x20Moved\x20Permanently</h1> SF:</center>\r\n</body>\r\n</html>\r\n")%r(RTSPRequest,7A,"<html>\r\n<head SF:><title>400\x20Bad\x20Request\r\n\r\n

4 SF:00\x20Bad\x20Request

\r\n\r\n\r\n")%r(X11Pro SF:be,110,"HTTP/1\.1\x20400\x20Bad\x20Request\r\nServer:\x20awselb/2\.0\r\ SF:nDate:\x20Sat,\x2013\x20Sep\x202025\x2005:22:55\x20GMT\r\nContent-Type: SF:\x20text/html\r\nContent-Length:\x20122\r\nConnection:\x20close\r\n\r\n SF:\r\n400\x20Bad\x20Request\r\n\r SF:\n

400\x20Bad\x20Request

\r\n\r\n SF:\r\n")%r(FourOhFourRequest,197,"HTTP/1\.1\x20301\x20Moved\x20Permanentl SF:y\r\nServer:\x20awselb/2\.0\r\nDate:\x20Sat,\x2013\x20Sep\x202025\x2005 SF::22:55\x20GMT\r\nContent-Type:\x20text/html\r\nContent-Length:\x20134\r SF:\nConnection:\x20close\r\nLocation:\x20https://canvas-iad-prod-c56-4442 SF:55748\.us-east-1\.elb\.amazonaws\.com:443/nice%20ports%2C/Tri%6Eity\.tx SF:t%2ebak\r\n\r\n\r\n301\x20Moved\x20Permanently</titl SF:e></head>\r\n<body>\r\n<center><h1>301\x20Moved\x20Permanently</h1></ce SF:nter>\r\n</body>\r\n</html>\r\n"); Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port Device type: general purpose|specialized Running (JUST GUESSING): Linux 2.6.X|3.X|4.X (90%), Crestron 2-Series (86%) OS CPE: cpe:/o:linux:linux_kernel:2.6.32 cpe:/o:linux:linux_kernel:3 cpe:/o:linux:linux_kernel:4 cpe:/o:crestron:2_series Aggressive OS guesses: Linux 2.6.32 (90%), Linux 3.2 - 4.9 (90%), Linux 2.6.32 - 3.10 (90%), Linux 2.6.32 - 3.13 (90%), Linux 3.10 - 3.13 (88%), Crestron XPanel control system (86%), Linux 2.6.32 - 2.6.35 (85%), Linux 2.6.32 - 3.5 (85%) No exact OS matches for host (test conditions non-ideal). Network Distance: 15 hops TRACEROUTE (using port 80/tcp) HOP RTT ADDRESS 1 0.94 ms 208.76.251.177.rdns.ColocationAmerica.com (208.76.251.177) 2 0.81 ms gw.mcom-colocationamerica.com (208.64.231.81) 3 3.81 ms r1b4.n1p1400.lax.multacom.net (64.69.46.9) 4 ... 5 11.04 ms be2931.ccr31.phx01.atlas.cogentco.com (154.54.44.85) 6 20.19 ms be5471.ccr21.elp02.atlas.cogentco.com (154.54.166.57) 7 48.60 ms be3821.ccr31.dfw01.atlas.cogentco.com (154.54.165.25) 8 46.16 ms be2763.ccr41.dfw03.atlas.cogentco.com (154.54.28.74) 9 ... 14 15 56.92 ms ec2-44-217-124-163.compute-1.amazonaws.com (44.217.124.163) OS and Service detection performed. Please report any incorrect results at https://nmap.org/submit/ . Nmap done: 1 IP address (1 host up) scanned in 33.70 seconds