FIELD: computer equipment.
SUBSTANCE: method of blocking network connections in real time, in which a certificate is intercepted when a secure connection is established; determining similarity of intercepted certificate to forbidden certificates, where similar is recognized a certificate, which can be displayed on a plurality of prohibited certificates, wherein the display is checked by applying the rule, generated from common features of prohibited certificates obtained as a result of clustering of a plurality of prohibited certificates; blocking the installed connection, if intercepted certificate as a result of determination of similarity is recognized as similar to forbidden certificates.
EFFECT: technical result consists in providing blocking of network connections based on comparison of digital certificates as a result of real-time blocking of network connections.
6 cl, 7 dwg
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