Security

security.md

disable ssLv3

http://disablessl3.com/
https://weakdh.org/sysadmin.html

documentation Linux Networking

http://www.netfilter.org/documentation/HOWTO/es/networking-concepts-HOWTO.html

iptables persistent in debian

iptables-persistent

iptables

iptables -t NAT -L

automate various pentesting tasks

https://github.com/leebaird/discover

scaner

https://cisofy.com/
http://www.arachni-scanner.com/

traning

https://www.mavensecurity.com/web_security_dojo/

server installation

https://github.com/Jsitech/JTS-Debian-8

There aren’t any published security advisories