because most computer science programs are designed to take in students who have no experience coding and build them up to a fully functional level in just four years. I think this is probably true across many schools in the U.S. My university computer science curriculum does not offer too many classes related to security. I didn’t really know what I was getting into. I knew I was coming to intern for a cybersecurity company but in all honestly, I had never even taken a class in anything remotely related to security. The letters T-L-S meant virtually nothing to me before starting my internship with F5 Labs. In the summer of 2020, we were excited to welcome Katie Newbold, a Computer Science major from Johns Hopkins University, to build an HTTPS checker (scanner). As a relatively small team of researchers, evangelists, and writers who produce vendor-neutral threat-related content, we look forward every summer to the opportunity to bring in a college intern to help us with special research and data analysis projects. SSL is supported while TLSv1.1 or TLSv1.2 or TLSv1.Editor’s Note: F5 Labs is a threat research and analysis team within F5 Networks. Server supports at least one elliptic curve whose size is below 224 bits SSL/TLS cipher suites that are not approved by PCI DSS are supportedĬertificate key length or DH parameter are too small (< 2048 bits or 256 bits for EC) SSL is supported but TLSv1.1 or TLSv1.2 or TLSv1.3 are preferred Server does not provide information about support for secure renegotiationĬertificate chain relies on expired certificate, it can break connection for some clients.Ĭertificate does not provide revocation information Server accepts client-initiated secure renegotiation Server supports Elliptic Curves but does not support EC Point Format extension TLS cipher suites that are not approved by NIST guidelines or HIPAA guidance are supported Server does not support some cipher suites required by NIST guidelines or HIPAA guidance Server does not support neither P-256 nor P-384 curves Server certificate has not been signed with the proper algorithm Server certificate has been issued for more than 3 year period Server X509 certificate is prior to version 3 Server implements HTTP Strict Transport Security (HSTS) with long duration Server provides TLS_Fallback_SCSV extension Server prefers cipher suites providing strong Perfect Forward Secrecy (PFS) HTTP website redirects to HTTPS (Always-On SSL) Value of the token sent by the server if the tested domain is resolved into several IP addresses.Ĭertificate is an Extended Validation (EV) certificate "false" will use results from cache if the server has been tested within the past 24 hours, "true" will perform a new test without looking at the cache.ġ means output will be detailed, 0 means output will be short. IP address of tested server (if tested domain resolves to multiple addresses). "false" means that test results will be hidden, "true" means that test results will be displayed in statistics. If port is not supplied, 443 is used by default. Must be a valid domain name, or IP address, followed by a port number. Secret token which you submit alongside with the request Such construction is done to prevent caching on client side. html - where "ustamp" is an arbitrary UNIX time-stamp (must be an integer). Full API Documentation API Specifications Field Name
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