Industrial control firewall white list rule matching method and device and related equipment
The invention discloses an industrial control firewall white list rule matching method and device and related equipment. The method comprises the following steps: acquiring a white list rule, sorting fields in the white list rule, and acquiring gradient values of the fields; setting a first gradient...
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| creator | ZHANG HUANXIN WU XIANDONG CHU RUI YAO HONGYUN LI QILING GAO CHAO LI HAN LIU YUAN LI HONGXIA ISHIHATA LYU LIANG LIU SONG MENG QINGJUN GUO XIAOFEI YAN YUANCHAO JIANG GUOJIN BAI TAO ZOU LAILONG YANG JINGLI |
| description | The invention discloses an industrial control firewall white list rule matching method and device and related equipment. The method comprises the following steps: acquiring a white list rule, sorting fields in the white list rule, and acquiring gradient values of the fields; setting a first gradient field filtering rule and a non-first gradient field filtering rule according to the gradient value of the field; obtaining a to-be-matched message, performing primary filtering on the to-be-matched message by adopting a first gradient field filtering rule to obtain a filtered white list rule list, and performing secondary filtering on the filtered white list rule list by adopting a non-first gradient field filtering rule to obtain a target white list rule list; and according to the target white list rule list, performing rule judgment on the residual rule item number in the target white list rule list. According to the method, higher-efficiency matching is realized by utilizing the gradient of the white list rule, |
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The method comprises the following steps: acquiring a white list rule, sorting fields in the white list rule, and acquiring gradient values of the fields; setting a first gradient field filtering rule and a non-first gradient field filtering rule according to the gradient value of the field; obtaining a to-be-matched message, performing primary filtering on the to-be-matched message by adopting a first gradient field filtering rule to obtain a filtered white list rule list, and performing secondary filtering on the filtered white list rule list by adopting a non-first gradient field filtering rule to obtain a target white list rule list; and according to the target white list rule list, performing rule judgment on the residual rule item number in the target white list rule list. 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The method comprises the following steps: acquiring a white list rule, sorting fields in the white list rule, and acquiring gradient values of the fields; setting a first gradient field filtering rule and a non-first gradient field filtering rule according to the gradient value of the field; obtaining a to-be-matched message, performing primary filtering on the to-be-matched message by adopting a first gradient field filtering rule to obtain a filtered white list rule list, and performing secondary filtering on the filtered white list rule list by adopting a non-first gradient field filtering rule to obtain a target white list rule list; and according to the target white list rule list, performing rule judgment on the residual rule item number in the target white list rule list. 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The method comprises the following steps: acquiring a white list rule, sorting fields in the white list rule, and acquiring gradient values of the fields; setting a first gradient field filtering rule and a non-first gradient field filtering rule according to the gradient value of the field; obtaining a to-be-matched message, performing primary filtering on the to-be-matched message by adopting a first gradient field filtering rule to obtain a filtered white list rule list, and performing secondary filtering on the filtered white list rule list by adopting a non-first gradient field filtering rule to obtain a target white list rule list; and according to the target white list rule list, performing rule judgment on the residual rule item number in the target white list rule list. According to the method, higher-efficiency matching is realized by utilizing the gradient of the white list rule,</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION |
| title | Industrial control firewall white list rule matching method and device and related equipment |
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