4.0K 00-CHANGELOG.txt 2.0K 00-README.txt 568M authentication 4.3G cryptography 768M development 4.6G firewalls 169M host-intrusion-detection 88M host-monitoring 2.0G host-security 1.3G info 159M network-intrusion-detection 933M network-mapping 904M network-monitoring 1.6G network-security 9.1G operating-systems 13G packet-capture 147M packet-construction 55M steganography 75M vulnerability-assessment