Certbot is a tool run from the command line to obtain and install HTTPS certificates. It can either be run once to get free HTTPS certificates or used with instructions generated for a server's software and system. Using it requires comfort with the command line and an HTTP website. The project is a project of the Electronic Frontier Foundation.
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.
REMnux is a Linux toolkit for reverse-engineering and analyzing malicious software. It provides a curated collection of free community-created tools for hands-on malware investigation, distributed as a virtual machine, a from-scratch install on a dedicated host or compatible Ubuntu system, and Docker images of popular analysis tools.
Hitch is a scalable, open source SSL/TLS proxy based on libev. It handles large numbers of connections on multicore machines, supports TLS 1.0, 1.1 and 1.2, and is the successor of the Stud project. It is licensed under a 2-clause BSD license and has been tested on Linux.
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.
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.
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.
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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.
REMnux is a Linux toolkit for reverse-engineering and analyzing malicious software. It provides a curated collection of free community-created tools for hands-on malware investigation, distributed as a virtual machine, a from-scratch install on a dedicated host or compatible Ubuntu system, and Docker images of popular analysis tools.
Hitch is a scalable, open source SSL/TLS proxy based on libev. It handles large numbers of connections on multicore machines, supports TLS 1.0, 1.1 and 1.2, and is the successor of the Stud project. It is licensed under a 2-clause BSD license and has been tested on Linux.
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.
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.
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.
