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I am installing a CentOS 5.3 server in an environment with pre-established security policies. One of the policies is that portmap should not be installed. To be honest I am not sure if I really need it or not.

What other common services require portmap?

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up vote 1 down vote accepted

It's only used by legacy(-ish) RPC services.

For CentOS, if you're not using NFS or NIS, then you can do without it.

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Even if you do use NFS, you may still disable portmap on the server with one caveat, your clients would need to connect with the -o nolock option instead, which is the behaviour of older NFS.

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