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.KEYTAB File Extension

File TypeKerberos Keytab File

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CategoryData Files

What is a KEYTAB file?

Keytab file created and used by Kerberos, a network authentication protocol; contains pairs of Kerberos principals along with an encrypted copy of that principal's key.

More Information

The KEYTAB file is used to authenticate a principal on a host to Kerberos without any user interaction or having to store a password in a plain text file. The file is encrypted but should be secured well because whoever has access to the file can act as that principal.

Kerberos provides authentication tools and secret-key cryptography to secure communications by client/server applications. The Massachusetts Institute of Technology (MIT) has made a free implementation of the protocol available in source form. The protocol is also available in a variety of commercial products.

Common KEYTAB Filenames

krb5.keytab - Keytab file used by a Kerberos server machine to authenticate the Key Distribution Center (KDC) network service.

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Programs that open KEYTAB files

Updated 5/4/2015

About KEYTAB Files

Our goal is to help you understand what a file with a *.keytab suffix is and how to open it.

The Kerberos Keytab file type, file format description, and Mac, Windows, and Linux programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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