I am new to linux security and have been doing some reading to fortify my linux box. Using nmap I found i have only two open ports of the 65535 ports i scanned. I want to disable them, but can't find them in the services list or even by using sysvconfig. The first service is H.323/Q.931. Some Googeling told me that this service is used for VOIP which I don't have a use for. How do I disable this service thereby closing this port?
The second service is iss-realsecure-sensor. I can't find much useful info on this service, and i can't find it listed anywhere for me to disable in sysvconfig. Can you tell me what this service is, and how to disable it if i so choose?
any help you can offer would be greatly appreciated.
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