Access Gateway Host Connection Security
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Solution Overview
Problem
Current systems fail to effectively prevent security breaches during host hopping, as malicious users can exploit macros or scripts to access unauthorized hosts, despite monitoring at firewalls.
Innovation Solution
An access gateway monitors communication sessions for commands entered by users, determining if they attempt to establish connections with other hosts, and generates actions such as blocking or disconnecting sessions based on predefined policies to prevent unauthorized access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If firewall monitoring is used to detect host hopping commands, then security protection is provided, but malicious users can still breach security using macros or scripts that are not detected
Solution Approach 1:
An access gateway is introduced as an intermediary component between the firewall and hosts. The gateway intercepts communication sessions, monitors commands in real-time, and blocks unauthorized host hopping attempts before they can execute. This intermediary layer provides deep inspection of command content, detecting macros and scripts that traditional firewall monitoring misses.
Solution Approach 2:
The system performs preliminary validation of commands before they are executed on hosts. By monitoring communication sessions at the access gateway and validating commands in advance, the system prevents malicious host hopping attempts before they can compromise security, rather than reacting after detection.
2Reliability
If comprehensive command monitoring is implemented to detect all host hopping attempts, then security is improved, but system complexity increases
Solution Approach 1:
The access gateway performs multiple functions within a single system: it monitors communication sessions, validates commands, blocks unauthorized host hopping, and maintains security policies. This multi-functional approach consolidates what would otherwise require multiple separate components, reducing overall system complexity while providing comprehensive security.
Data Source
AI summary
An access gateway monitors a communication session to a first host for commands entered by a user. For example, commands entered in a command line terminal by the user. When a command is received, the access gateway receives information about an effect caused by the command on the first host. The access gateway determines if the effect results in an attempt to establish a communication session between the first host and a second host. For example, to copy files from the second host. In response to determining that the effect results in an attempt to establish a communication session between the first host and the second host, an action is generated. For example, the action may be to block the attempt to establish the communication between the first host and the second host.