From the course: Linux Hardening

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Managing services

Managing services - Linux Tutorial

From the course: Linux Hardening

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Managing services

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Hello, and welcome to Cybrary's Linux Hardening course and this lesson which covers managing services. I'm your instructor, Corey Holzer. The learning objectives for this lesson are as follows. You will be empowered to articulate why we avoid legacy services and why we should also disable or uninstall unused services. The term legacy services focuses on those services which were the previous standard but are now considered insecure. Either because of their means of communication, basically unencrypted, or because they have been replaced by more recent update. In the first three bullets, I listed several well-known legacy tools, which have been replaced with more secure and actively maintained solutions. FTP is insecure because usernames and passwords are passed unencrypted between the server and the client. Therefore, an adversary can monitor traffic traveling over the network between the client and server and obtain a username and password he can then exploit. TFTP and its server…

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