Security tips
From Notes_Wiki
- Avoiding ARP spoofing attack
- Recommended firefox plugins
- Generating crypt password hash with given salt
- Block iframe calls to website to prevent Clickjacking attacks
- Disable use of iframes in firefox
- Using secure attention key combination
- Using startssl SSL certificates for HTTPS
- Obtaining good list of DNSBL sites to subscribe to
- CentOS 8.x Securing a Linux machine