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SECURITY SCORE
Certificate Information
Subject
C=US, ST=Illinois, O=Northwestern University, CN=it.northwestern.edu
Issuer
C=US, O=Internet2, CN=InCommon RSA Server CA 2
Valid From
March 10, 2025
Valid Until
March 10, 2026
118 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA384-RSA
SHA-256 Fingerprint
28:0F:81:27:3F:65:27:5F:00:C4:BC:9D:4C:E4:8F:F4:A1:26:30:F7:8A:79:A7:D1:9A:D6:C4:9D:DA:89:F8:A1
Alternative Names
Security Configuration
TLS Protocols
TLS 1.0
TLS 1.1
TLS 1.2
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
- • TLS 1.1 is deprecated and should be disabled
- • TLS 1.0 is deprecated and should be disabled
HTTP Security Headers
Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Strict-Transport-Security header with max-age of at least 1 year
- • Add Content-Security-Policy header to prevent XSS attacks
- • Add X-Content-Type-Options: nosniff
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • Consider adding Permissions-Policy to control browser features
CAA Records (Certificate Authority Authorization)
CAA Records
Not Configured
(Any CA can issue certificates)
CAA Issues
- • No CAA records configured - any CA can issue certificates
Recommendations
- • Implement CAA records to restrict which CAs can issue certificates for your domain
- • This adds an extra layer of security against unauthorized certificate issuance
- • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
- • Consider adding 'iodef' record to receive security incident reports
Subject Alternative Names
94 domains
northwestern.edu
admindash.northwestern.edu
adminplan.northwestern.edu
admissions.northwestern.edu
artscircle.northwestern.edu
biology.northwestern.edu
blockmuseum.northwestern.edu
buffett.northwestern.edu
buffettinstitute.northwestern.edu
caesar.northwestern.edu
canvaspost.northwestern.edu
chicagofinancialaid.northwestern.edu
common.northwestern.edu
corporate.northwestern.edu
edgs.northwestern.edu
edtraineval.northwestern.edu
elp.northwestern.edu
enrollment.northwestern.edu
fig.northwestern.edu
ibnam.northwestern.edu
ipd.northwestern.edu
ipr.northwestern.edu
isita.northwestern.edu
it.northwestern.edu
library.northwestern.edu
nemmers.northwestern.edu
nuwrite.northwestern.edu
perform.northwestern.edu
policies.northwestern.edu
policy.northwestern.edu
qatar.northwestern.edu
quantum.northwestern.edu
registrar.northwestern.edu
renu.northwestern.edu
researchanalytics.northwestern.edu
researchintegrity.northwestern.edu
researchstaffsurvey.northwestern.edu
sciencecafe.northwestern.edu
sqi.northwestern.edu
tgs-postdocs.northwestern.edu
tgs.northwestern.edu
ugadm.northwestern.edu
undergradaid.northwestern.edu
www.northwestern.edu
adminplan.crown.northwestern.edu
common.qatar.northwestern.edu
facilities.research.northwestern.edu
isita.buffett.northwestern.edu
keyman.buffett.northwestern.edu
m.library.northwestern.edu
my.qatar.northwestern.edu
nuwrite.at.northwestern.edu
www.adminplan.northwestern.edu
www.admissions.northwestern.edu
www.artscircle.northwestern.edu
www.biology.northwestern.edu
www.blockmuseum.northwestern.edu
www.buffett.northwestern.edu
www.buffettinstitute.northwestern.edu
www.caesar.northwestern.edu
www.canvaspost.northwestern.edu
www.chicagofinancialaid.northwestern.edu
www.corporate.northwestern.edu
www.crs.northwestern.edu
www.edgs.northwestern.edu
www.edtraineval.northwestern.edu
www.elp.northwestern.edu
www.enrollment.northwestern.edu
www.fig.northwestern.edu
www.ibnam.northwestern.edu
www.ipd.northwestern.edu
www.ipr.northwestern.edu
www.isita.northwestern.edu
www.it.northwestern.edu
www.library.northwestern.edu
www.nemmers.northwestern.edu
www.nuwrite.northwestern.edu
www.perform.northwestern.edu
www.policies.northwestern.edu
www.policy.northwestern.edu
www.qatar.northwestern.edu
www.quantum.northwestern.edu
www.registrar.northwestern.edu
www.renu.northwestern.edu
www.researchanalytics.northwestern.edu
www.researchintegrity.northwestern.edu
www.researchstaffsurvey.northwestern.edu
www.sciencecafe.northwestern.edu
www.sqi.northwestern.edu
www.tgs-postdocs.northwestern.edu
www.tgs.northwestern.edu
www.ugadm.northwestern.edu
www.undergradaid.northwestern.edu
www.facilities.research.northwestern.edu