Searching Implementing for Information Security (2) (1) Note that the search results show links on all protocols and Security measures involve Data encryption: Involves the translation of data into a form that is not just routing protocols illegible without a deciphering mechanism. The search engine searches for Web pages that contain Passwords: Is a secret word or phrase that gives authorized users either the word or or “Protocol” “Routing” “Routing Protocol” access to a particular program or system. in the content A digital certificate is used to identify the person sending the message 7. You can also search for Web pages that contain the exact over the network. A Certificate Authority (CA) issues the digital certificate. phrase The digital certificate contains the applicant's public key and a variety To do this, specify in the text box with “Routing Protocol” of other identification information. opening and closing quotes. The applicant uses the public key to encrypt the message. After the search results appear, you can click the hyperlink to The recipient of an encrypted message uses the CA's public key to access the corresponding Web site or page. For example, you decode the digital certificate attached to the message, and verifies it as issued by the CA click the Interior Gateway Routing Protocol (IGRP) link to display the Web page containing the required information ©Digital Bridge Institute, Abuja Page Page 305 306 ©Digital Bridge Institute, Abuja
Searching for Information (2) Note that the search results show links on all protocols and not just routing protocols The search engine searches for Web pages that contain either the word “Protocol” or “Routing” or “Routing Protocol” in the content 7. You can also search for Web pages that contain the exact phrase To do this, specify “Routing Protocol” in the text box with opening and closing quotes. After the search results appear, you can click the hyperlink to access the corresponding Web site or page. For example, you click the Interior Gateway Routing Protocol (IGRP) link to display the Web page containing the required information ©Digital Bridge Institute, Abuja Page 305 Implementing Security (1) Security measures involve Data encryption: Involves the translation of data into a form that is illegible without a deciphering mechanism. Passwords: Is a secret word or phrase that gives authorized users access to a particular program or system. A digital certificate is used to identify the person sending the message over the network. A Certificate Authority (CA) issues the digital certificate. The digital certificate contains the applicant's public key and a variety of other identification information. The applicant uses the public key to encrypt the message. The recipient of an encrypted message uses the CA's public key to decode the digital certificate attached to the message, and verifies it as issued by the CA ©Digital Bridge Institute, Abuja Page 306