Oracle Database Net Services Administrator's Guide describes how to use Oracle Net Services. This guide describes the Oracle Net Services product and its components, as well as Oracle Net Services administrative and deployment topics.


Oracle Database Net Services Administrator's Guide is intended for the following readers:

  • Network administrators

  • Directory server administrators

  • Database administrators

  • Decision makers

This guide is especially targeted for network administrators who are responsible for ensuring connectivity. For network administrators, Oracle recommends:

For directory administrators, Oracle recommends:

For database administrators, Oracle recommends:

For decision makers, Oracle recommends

Oracle recommends that all readers look over Understanding Oracle Net Services, to ensure that they have the background required to benefit from the rest of the guide.

Documentation Accessibility

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Access to Oracle Support

Oracle customers that have purchased support have access to electronic support through My Oracle Support. For information, visit or visit if you are hearing impaired.

Related Documentation

For additional information, see the following Oracle resources:

Many books in the documentation set use the sample schemas of the seed database, which is installed by default when you install Oracle Database. Refer to Oracle Database Sample Schemas for information about how these schemas were created and how you can use them yourself. Oracle error message documentation is only available in HTML.

To download free release notes, installation documentation, white papers, or other collateral, visit the Oracle Technology Network. You must register online before using Oracle Technology Network; registration is free and can be done at

If you already have a user name and password for Oracle Technology Network, then you can go directly to the documentation section of the Oracle Technology Network website at

For information about the OSI, see:


The examples for directories in the book are for Linux. Unless otherwise noted, Microsoft Windows directory paths are the same except that they use a backslash (\) instead of the forward slash (/).

The following text conventions are used in this document:

Convention Meaning


Boldface type indicates graphical user interface elements associated with an action, or terms defined in text or the glossary.


Italic type indicates book titles, emphasis, or placeholder variables for which you supply particular values.


Monospace type indicates commands within a paragraph, URLs, code in examples, text that appears on the screen, text that you enter, file names and directory names.