.....................................................................218
Using the ssh, sftp, and scp Commands ..................................................................219
Using ssh, scp, and sftp Without Passwords ............................................................220
Securing Linux Servers ............................................................................................222
Controlling Access to Services with TCP Wrappers..................................................222
Understanding Attack Techniques ..........................................................................225
Protecting Against Denial of Service Attacks ............................................................226
Mailbombing ................................................................................................226
Spam Relaying ..............................................................................................228
Smurf Amplification Attack............................................................................228
Protecting Against Distributed DOS Attacks ............................................................229
Protecting Against Intrusion Attacks ....................................................................
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