SSL Report:
gmu.edu
(129.174.134.28)
Assessed on: Sat, 11 Oct 2025 14:10:59 UTC
| Clear cache
Summary
0
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Certificate
Protocol Support
Key Exchange
Cipher Strength
Visit our documentation page
for more information, configuration guides, and books. Known issues are documented
here.
This server supports TLS 1.3. MORE INFO »
Certificate #1: RSA 4096 bits (SHA256withRSA)

Server Key and Certificate #1
|
|
Subject |
www3.gmu.edu
Fingerprint SHA256: 0323a8a8f847dac86a6c98b1bfa0422ba32e79bc03937fbd25005cca732e5111 Pin SHA256: sjTc0DQI1alQ+Tm6XrHGGi1AVtL0ACxH/CrkLlNniKQ= |
Common names | www3.gmu.edu |
Alternative names | www3.gmu.edu *.calendar.gmu.edu *.cs.gmu.edu *.gmu.edu 25live.gmu.edu 60-secondvideo.gmu.edu 60secondvideo.gmu.edu academics.gmu.edu afpo.gmu.edu amazonwash.gmu.edu apollo.gmu.edu approvedcatering.gmu.edu artsbygeorge.gmu.edu ascreview.gmu.edu auxe.gmu.edu bac.give.gmu.edu bac.gmu.edu basicspanish.gmu.edu bike.gmu.edu biology.gmu.edu bizacct.gmu.edu blackboard.gmu.edu businessit.gmu.edu capitolconnection.gmu.edu catering.gmu.edu cbgrad.gmu.edu ccaa.gmu.edu ceee.gmu.edu centers.gmu.edu cfa.gmu.edu cgeoint.gmu.edu chemistry.gmu.edu chpre.gmu.edu climatechange.gmu.edu cnl.gmu.edu compstore.gmu.edu connected.gmu.edu courses.gmu.edu css1.gmu.edu cyberball.gmu.edu datasecurity.gmu.edu democracy.gmu.edu denhamlab.gmu.edu departments.gmu.edu disc.gmu.edu distance.gmu.edu dynamicforms.gmu.edu earthweek.gmu.edu econfaculty.gmu.edu ecourses.gmu.edu elahi.gmu.edu emergency.gmu.edu entrepreneurship.gmu.edu envsec.gmu.edu ep.gmu.edu es.gmu.edu esp.gmu.edu folklifearchive.gmu.edu frn.gmu.edu gamerooms.gmu.edu gesa.gmu.edu gettheapp.gmu.edu give.gmu.edu globalcitizen.gmu.edu globaled.gmu.edu gmtp.gmu.edu gmu.edu greathappens.gmu.edu hanson.gmu.edu hap.gmu.edu hci.gmu.edu healthethics.gmu.edu healthresearch.gmu.edu hiremason.gmu.edu hours.gmu.edu housingplans.gmu.edu hpi.gmu.edu icesworkingpapers.gmu.edu information.gmu.edu innovations.gmu.edu inventors.gmu.edu itsredirects.gmu.edu jiju41.gmu.edu jiju42.gmu.edu jijua.gmu.edu jijub.gmu.edu jijuc.gmu.edu krasnow.gmu.edu krasnow1.gmu.edu ksc.gmu.edu labsafety.gmu.edu linglab.gmu.edu lite.gmu.edu locationscience.gmu.edu loudoun.gmu.edu lta.gmu.edu mac.gmu.edu mail.gmu.edu maintenance.its.gmu.edu maps-directions.gmu.edu masoncats.gmu.edu masonlive.gmu.edu matchmygift.gmu.edu mediarelations.gmu.edu mentorprotege.gmu.edu mnlp.ist.gmu.edu mobile.gmu.edu mpp.gmu.edu mps.gmu.edu msa.gmu.edu mtty.gmu.edu mymason.gmu.edu mymasonportal.gmu.edu nmr.gmu.edu o365.gmu.edu odkm.gmu.edu office365.gmu.edu offthewall.gmu.edu olligmu.org ollitest.gmu.edu orgs.gmu.edu parking.gmu.edu patriotportal.gmu.edu patriottech.gmu.edu pcstore.gmu.edu plait.gmu.edu policy-icasit.gmu.edu pride.gmu.edu princewilliam.gmu.edu psychsyllabi.gmu.edu psycmentor.gmu.edu recycling.gmu.edu research.gmu.edu researchatmason.gmu.edu resources.gmu.edu respond.gmu.edu sa.gmu.edu scitechcampus.gmu.edu seg.gmu.edu shuttle.gmu.edu soaprint.gmu.edu somacct.gmu.edu somit.gmu.edu speechanalysis.gmu.edu spotlightonresearch.gmu.edu statistics.gmu.edu studyabroad.gmu.edu svc.gmu.edu sysman.gmu.edu techtransfer.gmu.edu theater.gmu.edu theonetowatch.gmu.edu thesis.gmu.edu tobi.gmu.edu transfercenter.gmu.edu transportation.gmu.edu undergradinquiry.gmu.edu universityscholars.gmu.edu ur.gmu.edu usp.gmu.edu vrrw.gmu.edu webct6.gmu.edu www.artsbygeorge.gmu.edu www.gmu.edu www.krasnow.gmu.edu www.mymason.gmu.edu www.mymasonportal.gmu.edu www.princewilliam.gmu.edu www.pubs.gmu.edu |
Serial Number | 124b3f40301346afd9c11a188cd82fae |
Valid from | Tue, 15 Jul 2025 00:00:00 UTC |
Valid until | Wed, 15 Jul 2026 23:59:59 UTC (expires in 9 months and 4 days) |
Key | RSA 4096 bits (e 65537) |
Weak key (Debian) | No |
Issuer | InCommon RSA Server CA 2
AIA: http://crt.sectigo.com/InCommonRSAServerCA2.crt |
Signature algorithm | SHA256withRSA |
Extended Validation | No |
Certificate Transparency | Yes (certificate) |
OCSP Must Staple | No |
Revocation information |
CRL, OCSP CRL: http://crl.sectigo.com/InCommonRSAServerCA2.crl OCSP: http://ocsp.sectigo.com |
Revocation status | Good (not revoked) |
DNS CAA | No (more info) |
Trusted | Yes
Mozilla Apple Android Java Windows |


![]() ![]() |
Configuration

Protocols | |
TLS 1.3 | Yes |
TLS 1.2 | Yes |
TLS 1.1 | No |
TLS 1.0 | No |
SSL 3 | No |
SSL 2 | No |

Cipher Suites | ||
![]() ![]() # TLS 1.3 (suites in server-preferred order)
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TLS_AES_128_GCM_SHA256 (0x1301 )
ECDH secp256r1 (eq. 3072 bits RSA) FS
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128 | |
TLS_AES_256_GCM_SHA384 (0x1302 )
ECDH secp256r1 (eq. 3072 bits RSA) FS
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256 | |
TLS_CHACHA20_POLY1305_SHA256 (0x1303 )
ECDH secp256r1 (eq. 3072 bits RSA) FS
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256 | |
![]() ![]() # TLS 1.2 (suites in server-preferred order)
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TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 (0xc027 )
ECDH secp256r1 (eq. 3072 bits RSA) FS
WEAK
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128 | |
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xc02f )
ECDH secp256r1 (eq. 3072 bits RSA) FS
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128 | |
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (0xc030 )
ECDH secp256r1 (eq. 3072 bits RSA) FS
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256 |

Handshake Simulation | |||
Android 4.4.2 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Android 5.0.0 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Android 6.0 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Android 7.0 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Android 8.0 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Android 8.1 | - | TLS 1.3 | TLS_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Android 9.0 | - | TLS 1.3 | TLS_AES_128_GCM_SHA256 ECDH secp256r1 FS |
BingPreview Jan 2015 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Chrome 49 / XP SP3 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Chrome 69 / Win 7 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Chrome 70 / Win 10 | - | TLS 1.3 | TLS_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Chrome 80 / Win 10 R | - | TLS 1.3 | TLS_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Firefox 31.3.0 ESR / Win 7 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Firefox 47 / Win 7 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Firefox 49 / XP SP3 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Firefox 62 / Win 7 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Firefox 73 / Win 10 R | - | TLS 1.3 | TLS_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Googlebot Feb 2018 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH secp256r1 FS |
IE 11 / Win 7 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
IE 11 / Win 8.1 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
IE 11 / Win Phone 8.1 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
IE 11 / Win Phone 8.1 Update R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
IE 11 / Win 10 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Edge 15 / Win 10 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Edge 16 / Win 10 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Edge 18 / Win 10 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Edge 13 / Win Phone 10 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Java 8u161 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Java 11.0.3 | - | TLS 1.3 | TLS_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Java 12.0.1 | - | TLS 1.3 | TLS_AES_128_GCM_SHA256 ECDH secp256r1 FS |
OpenSSL 1.0.1l R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
OpenSSL 1.0.2s R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
OpenSSL 1.1.0k R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
OpenSSL 1.1.1c R | - | TLS 1.3 | TLS_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Safari 6 / iOS 6.0.1 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Safari 7 / iOS 7.1 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Safari 7 / OS X 10.9 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Safari 8 / iOS 8.4 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Safari 8 / OS X 10.10 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Safari 9 / iOS 9 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Safari 9 / OS X 10.11 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Safari 10 / iOS 10 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Safari 10 / OS X 10.12 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Safari 12.1.2 / MacOS 10.14.6 Beta R | - | TLS 1.3 | TLS_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Safari 12.1.1 / iOS 12.3.1 R | - | TLS 1.3 | TLS_AES_128_GCM_SHA256 ECDH secp256r1 FS |
Apple ATS 9 / iOS 9 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
Yahoo Slurp Jan 2015 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
YandexBot Jan 2015 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDH secp256r1 FS |
![]() ![]() # Not simulated clients (Protocol mismatch)
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Android 2.3.7 No SNI 2 |
Protocol mismatch (not simulated) |
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Android 4.0.4 |
Protocol mismatch (not simulated) |
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Android 4.1.1 |
Protocol mismatch (not simulated) |
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Android 4.2.2 |
Protocol mismatch (not simulated) |
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Android 4.3 |
Protocol mismatch (not simulated) |
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Baidu Jan 2015 |
Protocol mismatch (not simulated) |
||
IE 6 / XP No FS 1 No SNI 2 |
Protocol mismatch (not simulated) |
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IE 7 / Vista |
Protocol mismatch (not simulated) |
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IE 8 / XP No FS 1 No SNI 2 |
Protocol mismatch (not simulated) |
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IE 8-10 / Win 7 R |
Protocol mismatch (not simulated) |
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IE 10 / Win Phone 8.0 |
Protocol mismatch (not simulated) |
||
Java 6u45 No SNI 2 |
Protocol mismatch (not simulated) |
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Java 7u25 |
Protocol mismatch (not simulated) |
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OpenSSL 0.9.8y |
Protocol mismatch (not simulated) |
||
Safari 5.1.9 / OS X 10.6.8 |
Protocol mismatch (not simulated) |
||
Safari 6.0.4 / OS X 10.8.4 R |
Protocol mismatch (not simulated) |
||
(1) Clients that do not support Forward Secrecy (FS) are excluded when determining support for it. | |||
(2) No support for virtual SSL hosting (SNI). Connects to the default site if the server uses SNI. | |||
(3) Only first connection attempt simulated. Browsers sometimes retry with a lower protocol version. | |||
(R) Denotes a reference browser or client, with which we expect better effective security. | |||
(All) We use defaults, but some platforms do not use their best protocols and features (e.g., Java 6 & 7, older IE). | |||
(All) Certificate trust is not checked in handshake simulation, we only perform TLS handshake. |

Protocol Details | |
Secure Renegotiation | Supported |
Secure Client-Initiated Renegotiation | Yes |
Insecure Client-Initiated Renegotiation | No |
BEAST attack | Mitigated server-side (more info) |
POODLE (SSLv3) | No, SSL 3 not supported (more info) |
POODLE (TLS) | No (more info) |
Zombie POODLE | No (more info)
TLS 1.2 : 0xc027
|
GOLDENDOODLE | No (more info)
TLS 1.2 : 0xc027
|
OpenSSL 0-Length | No (more info)
TLS 1.2 : 0xc027
|
Sleeping POODLE | No (more info)
TLS 1.2 : 0xc027
|
Downgrade attack prevention | Yes, TLS_FALLBACK_SCSV supported (more info) |
SSL/TLS compression | No |
RC4 | No |
Heartbeat (extension) | No |
Heartbleed (vulnerability) | No (more info) |
Ticketbleed (vulnerability) | No (more info) |
OpenSSL CCS vuln. (CVE-2014-0224) | No (more info) |
OpenSSL Padding Oracle vuln. (CVE-2016-2107) |
No (more info) |
ROBOT (vulnerability) | No (more info) |
Forward Secrecy | Yes (with most browsers) ROBUST (more info) |
ALPN | No |
NPN | No |
Session resumption (caching) | Yes |
Session resumption (tickets) | No |
OCSP stapling | No |
Strict Transport Security (HSTS) | No |
HSTS Preloading | Not in: Chrome Edge Firefox IE |
Public Key Pinning (HPKP) | No (more info) |
Public Key Pinning Report-Only | No |
Public Key Pinning (Static) | No (more info) |
Long handshake intolerance | No |
TLS extension intolerance | No |
TLS version intolerance | No |
Incorrect SNI alerts | No |
Uses common DH primes | No, DHE suites not supported |
DH public server param (Ys) reuse | No, DHE suites not supported |
ECDH public server param reuse | Yes |
Supported Named Groups | secp256r1, x25519, secp384r1 (server preferred order) |
SSL 2 handshake compatibility | Yes |
0-RTT enabled | No |

![]() ![]() |
1 https://gmu.edu/
(HTTP/1.1 302 Found)
| 1 | |
Date | Sat, 11 Oct 2025 14:10:09 GMT | |
Server | Apache/2.4.37 (Red Hat Enterprise Linux) OpenSSL/1.1.1k PHP/7.2.24 | |
Content-Security-Policy | upgrade-insecure-requests; | |
Location | http://www.gmu.edu/ | |
Content-Length | 203 | |
Connection | close | |
Content-Type | text/html; charset=iso-8859-1 | |
Set-Cookie | BIGipServer~JIJU~p_jiju3.gmu.edu_p80=286380042.20480.0000; path=/; Httponly; Secure |

Miscellaneous | |
Test date | Sat, 11 Oct 2025 14:10:00 UTC |
Test duration | 58.974 seconds |
HTTP status code | 302 |
HTTP forwarding | http://www.gmu.edu PLAINTEXT |
HTTP server signature | Apache/2.4.37 (Red Hat Enterprise Linux) OpenSSL/1.1.1k PHP/7.2.24 |
Server hostname | jiju3.gmu.edu |
SSL Report v2.4.1