w7 wed morning

Small office

ISP - (Bit defender) - 192.168.13.34 - Bridge (Windows 10, Homegroup Rules) - 192.168.31.70/28 - switch - printer/ computers

 

simplest and most cheap firewall - smoothwall (linux)

 

Red zone - danger zone

Orange zone - dmz

Green zone

 

Red zone - 192.168.10.2

controller - switch - web server/ router ( 192.168.10.1)

 

Orange zone - 2.4 ghz - laptops/ tablet

 

Green zone - firewall - safe switch - computers

 

c basic

 

Raid 1 - Mirroring

Raid 0 - Striping

Raid 10 - Mirroring and striping

Raid 5, 6

 

 

Security fundamentals.

A secure network is a moving target both internally and externally

 

internal threats are more easy because users have knowledge of internal resources

IPS lutrtsion preuention syteno and firewalls (find difference) are not in use or ineffective

 

external threats

Little snitch (Mac) - make a attack invisible visible, Net Limiter (Windows) - comodo glasswire

 

An outside attacker preform a ping sweep to lock for ip address so that the create a PID. them he can open services. he then takes full internal centiel