A daemon is a process that runs in the background and is waiting for a specific event to occur. Typical daemons are httpd of web server and sshd which provides SSH connection. When booting is ...

Please note that this book is based on is based on Postfix 2.1, later versions of Postfix have new daemons not discussed in the book. This chapter describes how ...

TCP wrappers are intended to provide wrapper daemons that can be installed without any changes to existing software. Most TCP/IP applications depend on the client/server model — i.e., when a client ...