Username: admin' -- Password: anything
# Default policy: drop iptables -P INPUT DROP iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT HTTP/HTTPS from anywhere iptables -A INPUT -p tcp --dport 80 -j ACCEPT iptables -A INPUT -p tcp --dport 443 -j ACCEPT SSH only from local subnet iptables -A INPUT -p tcp --dport 22 -s 192.168.1.0/24 -j ACCEPT Implicit drop at end Topic 10: Risk Assessment (Quantitative) Problem 10 An asset is worth $500,000. A threat has annual rate of occurrence (ARO) = 0.2. If exploited, single loss expectancy (SLE) = $200,000. Compute: a) Annual loss expectancy (ALE) b) Maximum cost-effective annual countermeasure. Security In Computing Pfleeger Solutions Manual
The -- comments out the password check.
Resulting query: SELECT * FROM users WHERE user = 'admin' -- ' AND pass = 'anything' Username: admin' -- Password: anything # Default policy:
Using Bell–LaPadula: a) Can a Secret user write to a Confidential file? (Simple Security Property) b) Can a Confidential user read a Top Secret file? c) Can a Top Secret user write to a Top Secret file? Compute: a) Annual loss expectancy (ALE) b) Maximum
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