Firewall Fingerprinting

Firewalls are critical security devices handling all traffic in and out of a network. Firewalls, like other software and hardware network devices, have vulnerabilities, which can be exploited by motivated attackers. However, because firewalls are usually placed in the network such that they are transparent to the end users, it is very hard to identify them and use their corresponding vulnerabilities to attack them. In this paper, the authors study firewall fingerprinting, in which one can use firewall decisions on TCP packets with unusual flags and machine learning techniques for inferring firewall implementation.

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Resource Details

Provided by:
Institute of Electrical and Electronics Engineers
Topic:
Security
Format:
PDF