A guide introducing Web Authentication (WebAuthn), a W3C and FIDO specification that lets servers register and authenticate users using public key cryptography instead of passwords. It explains how credentials work, with a private key stored on the user's device and a public key sent to the server, and covers registering credentials and authenticating with them.
Supabase is a Postgres development platform for building applications with a Postgres database, Authentication, instant APIs, Realtime, Functions, Storage and Vector embeddings. Every project includes a full Postgres database, and the platform auto-generates a REST API from the database schema using PostgREST. Documentation covers connecting frameworks, building backends, extending databases and migrating existing data.
ROP Emporium teaches return-oriented programming through a series of challenges, starting with ret2win and progressing through topics such as split, callme, write4, badchars, fluff, pivot and ret2csu. A beginners' guide is available.
The Kali NetHunter App Store is an installable catalogue of Android applications for penetration testing and forensics. Its client allows users to browse, install and keep track of updates on their device. The page also links related NetHunter components, including the NetHunter app, terminal emulator and KeX desktop experience client.
Mess with dns is a site for hands-on DNS experiments, offering a subdomain at {{ domain }}.messwithdns.com where records can be added and edited. A live updating list shows requests for the subdomain's records, presented as a low-consequence way to learn by experimenting and breaking things.
WhatsMyDNS is a free online tool for performing DNS lookups against nameservers in many countries. It displays results on a map so users can check DNS propagation for a domain's IP address and DNS record information. The site says it maintains a range of DNS servers for lookups and parses the results for display.
SSL For Free issues free SSL and wildcard certificates through ZeroSSL, including via ACME, a web app and a REST API. It offers paid Basic, Premium and Business packages with monthly or yearly billing, plus tutorials for installing certificates on various server and hosting platforms. Private keys are generated and encrypted on the user's device.
Community notes
Be the first to share how this project worked for you.
Sign in with a verified account to leave a review or join the discussion.
Sign in to reviewKeep exploring
Supabase is a Postgres development platform for building applications with a Postgres database, Authentication, instant APIs, Realtime, Functions, Storage and Vector embeddings. Every project includes a full Postgres database, and the platform auto-generates a REST API from the database schema using PostgREST. Documentation covers connecting frameworks, building backends, extending databases and migrating existing data.
ROP Emporium teaches return-oriented programming through a series of challenges, starting with ret2win and progressing through topics such as split, callme, write4, badchars, fluff, pivot and ret2csu. A beginners' guide is available.
The Kali NetHunter App Store is an installable catalogue of Android applications for penetration testing and forensics. Its client allows users to browse, install and keep track of updates on their device. The page also links related NetHunter components, including the NetHunter app, terminal emulator and KeX desktop experience client.
Mess with dns is a site for hands-on DNS experiments, offering a subdomain at {{ domain }}.messwithdns.com where records can be added and edited. A live updating list shows requests for the subdomain's records, presented as a low-consequence way to learn by experimenting and breaking things.
WhatsMyDNS is a free online tool for performing DNS lookups against nameservers in many countries. It displays results on a map so users can check DNS propagation for a domain's IP address and DNS record information. The site says it maintains a range of DNS servers for lookups and parses the results for display.
SSL For Free issues free SSL and wildcard certificates through ZeroSSL, including via ACME, a web app and a REST API. It offers paid Basic, Premium and Business packages with monthly or yearly billing, plus tutorials for installing certificates on various server and hosting platforms. Private keys are generated and encrypted on the user's device.
