Knock is a great tool for helping to secure your machines. In this article I’ll quickly show how it can be used to secure your ssh port.
Archive for the ‘gentoo’ Category
Security using Knock
Tuesday, May 19th, 2009qmail and vpopmail
Tuesday, May 5th, 2009In this article I’ll quickly go through some of the steps required to install and configure qmail and vpopmail. We’ll configure qmail to receive SMTP connections on ports 25 and 2525.
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