.. toctree:: :hidden: security/Transport_Layer_Security
- Fail2ban : Python : brute-force protection
- Scans log files and bans IPs that show the malicious signs -- too many password failures, seeking for exploits, etc
- nftables : C : firewall
- Administration tool for packet filtering and classification
- OpenSSH : C : secure services
Free SSH protocol suite providing encryption for network services like remote login or remote file transfers
- WireGuard : C : secure tunnel
- Extremely simple yet fast and modern VPN that utilizes state-of-the-art cryptography
- Firejail : C : sandbox
- SUID sandbox program that reduces the risk of security breaches by restricting the running environment of untrusted applications using Linux namespaces, seccomp-bpf and Linux capabilities
- Docker : Go : application container
- Run applications securely isolated in a container, packaged with all its dependencies and libraries
- LXC : C : system container
- Offers an environment as close as possible to the one you'd get from a VM but without the overhead that comes with running a separate kernel and simulating all the hardware
.. seealso:: :doc:`security/Transport_Layer_Security`
- Content Security Policy (CSP)
Mechanism by which web developers can control the resources which a particular page can fetch or execute, as well as a number of security-relevant policy decisions
- X-Content-Type-Options
- Require checking of a response’s Content-Type header against the destination of a request
- OWASP - Free and open software security community