Content Inside :
Network Security, Server Security, Wired & Wireless Security. Enabling and Disabling Services, Internal Monitoring of Services. Sharing and Server Settings. netstat. host, lsof, External Monitoring of Service. nmap. Out of the box, Mac OS X is pretty secure.
If you check the Sharing System Preference you’ll ?nd things disabled by default. Server Settings.app can show you the status of the common services that Apple has supplied with Mac OS X Server. Out of the box, if you don’t enable any services your machine is pretty secure. But how do I know there aren’t other ports or daemons or service running that leave my machine vulnerable to the network? On the next few slides I’ll describe a couple of tools you can use on the machine itself and from an external machine to determine which ports are open and who is connecting to them. Use the terminal command netstat to learn on which ports your computer is listening for connections. Two ports are open. The ipp port is the CUPS printing software and port 1033 is netinfo. Both client and server look like this with nothing enabled. Then netstat will display the service name instead of the port number. Also use service names with lsof.
Tags : mac os x server, port 1033, mac os x, system preference, internal monitoring, common services, server settings, basic security, printing software, security server, default server, service names, server security, security guide, daemons
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