I have a customer who has a simple Linux box that was not set up with iptables. It's a simple RH 3EL box that only has a web server, ftp, and ssh. Lately, she has been getting HAMMERED by ftp and cgi ...
Two ways you can secure a server are by using TCP wrappers and by setting up a chroot jail. This section describes both techniques. TCP Wrappers: Secure a Server (hosts.allow and hosts.deny) Follow ...
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 ...
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