Novell OPEN ENTERPRISE SERVER 2 SP2 - STORAGE SERVICES AUDITING CLIENT LOGGER UTILITY REFERENCE... Manuale di servizio

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www.novell.com

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AUTHORIZED DOCUMENTATION

OES 2 SP2: NSS Auditing Client Logger (VLOG) Utility Reference

Open Enterprise Server

2 SP2

April 29, 2010

Novell Storage Services

Auditing Client Logger (VLOG) Utility

Reference

novdocx (en) 16 April 2010

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4OES 2 SP2: NSS Auditing Client Logger (VLOG) Utility Reference

novdocx (en) 16 April 2010

Contents 5

Contents

novdocx (en) 16 April 2010

About This Guide 7

1 Overview of the NSS Auditing Client Logger (VLOG) Utility 9

1.1 Using VLOG with the NSS Auditing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.1.1 Logged Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.1.2 Paths to Include or Exclude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.1.3 File System Events to Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.1.4 NSS, NCP, and CIFS Event Sub-Types to Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.1.5 VIGIL Events to Monitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.2 Using Auditing Client Applications with the NSS Auditing Engine . . . . . . . . . . . . . . . . . . . . . . 10

1.2.1 Novell Sentinel Log Manager. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.2.2 Third-Party Partner Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2 VLOG Utility Man Page 13

vlog. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

6OES 2 SP2: NSS Auditing Client Logger (VLOG) Utility Reference

novdocx (en) 16 April 2010

About This Guide 7

novdocx (en) 16 April 2010

About This Guide

This reference guide describes the syntax and options for the Novell Storage Services (NSS)

Auditing Client Logger (VLOG) utility for Novell Open Enterprise Server (OES) 2 Support Pack 2

(SP2) Linux. The VLOG utility is used with the NSS Auditing Engine, which is available in OES 2

SP2 Linux and later.

This guide includes the following sections:

Chapter 1, “Overview of the NSS Auditing Client Logger (VLOG) Utility,” on page 9

Chapter 2, “VLOG Utility Man Page,” on page 13

Audience

This guide is intended for system administrators or anyone who is responsible for auditing file

system events on NSS file systems on OES 2 SP2 Linux servers.

Knowledge of the NSS file system is assumed. Some background knowledge of the host operating

system is also assumed.

Feedback

We want to hear your comments and suggestions about this manual and the other documentation

included with this product. Please use the User Comments feature at the bottom of each page of the

online documentation, or go to www.novell.com/documentation/feedback.html and enter your

comments there.

Documentation Updates

The VLOG man page,

vlog(8)

, is available on the server. Updates to the man page are delivered

with any updates to the VLOG utility.

For the most recent version of the OES 2 SP2: NSS Auditing Client Logger (VLOG) Reference, visit

the Novell Open Enterprise Server 2 Documentation Web site (http://www.novell.com/

documentation/oes2/security.html) under Security.

Additional Documentation

Information about the NSS Auditing Engine SDK (Software Development Kit) is available on the

NSS Auditing SDK Web site (http://developer.novell.com/wiki/index.php/NSS_Auditing_SDK).

8OES 2 SP2: NSS Auditing Client Logger (VLOG) Utility Reference

novdocx (en) 16 April 2010

Overview of the NSS Auditing Client Logger (VLOG) Utility

novdocx (en) 16 April 2010

Overview of the NSS Auditing

Client Logger (VLOG) Utility

The Novell Storage Services (NSS) Auditing Client Logger (VLOG) utility for Novell Open

Enterprise Server (OES) 2 Support Pack 2 (SP2) Linux is used with the NSS Auditing Engine (

etc/init.d/novell-vigil

). The NSS Auditing Engine is installed by default when you install

NSS on an OES 2 SP2 Linux or later server.

Section 1.1, “Using VLOG with the NSS Auditing Engine,” on page 9

Section 1.2, “Using Auditing Client Applications with the NSS Auditing Engine,” on page 10

1.1 Using VLOG with the NSS Auditing Engine

When VLOG is running, it intercepts, parses, filters, augments, and displays auditing records

received from the NSS Auditing Engine (

vigil

). For information about configuring and using the

VLOG utility, see Chapter 2, “VLOG Utility Man Page,” on page 13.

The basic functionality includes:

Section 1.1.1, “Logged Output,” on page 9

Section 1.1.2, “Paths to Include or Exclude,” on page 9

Section 1.1.3, “File System Events to Monitor,” on page 9

Section 1.1.4, “NSS, NCP, and CIFS Event Sub-Types to Monitor,” on page 10

Section 1.1.5, “VIGIL Events to Monitor,” on page 10

1.1.1 Logged Output

By default,

vlog

sends its output to

stdout

in an XML record format. VLOG also supports output

in CSV (comma-separated values) format and SENT format (for Novell Sentinel/Log Manager

products). For information, see “VLOG Options” on page 15.

1.1.2 Paths to Include or Exclude

VLOG allows you to specify which files and directories are to be monitored. You can specify

patterns for the file and directory names by using a defined set of search characters. You can specify

which file paths are to be included or excluded. For information, see “Path Element Options” on

page 21. For examples of path patterns, see “Path Element Examples” on page 22.

1.1.3 File System Events to Monitor

VLOG can be configured to log various file system events on files and directories that are reported

by the NSS Auditing Engine, including:

delete

create

10 OES 2 SP2: NSS Auditing Client Logger (VLOG) Utility Reference

novdocx (en) 16 April 2010

open

close

rename

link

metadata modified

trustee added or removed

inherited rights modified

For information, see “Event Types” on page 26 and “Event Type Examples” on page 26.

1.1.4 NSS, NCP, and CIFS Event Sub-Types to Monitor

These NSS file system events can be audited by NSS, NCP (NetWare Core Protocol), and CIFS sub-

types. For information, see “Event Sub-Types NSS, NCP, and CIFS” on page 27 and “Event Sub-

Type Examples” on page 28.

1.1.5 VIGIL Events to Monitor

VLOG can also be configured to report various events internal to the NSS Auditing Engine, referred

to as VIGIL events, such as:

Starting or stopping the

vigil.ko

kernel module

Starting or stopping the

vigil.ncp.ko

kernel module

Starting or stopping the

vigil.nss.ko

kernel module

Starting or stopping the

vigil.cifs.ko

kernel module

Starting or stopping the Auditing Client (an internal construct of the NSS Auditing Engine)

Starting or stopping the Auditing Client User (an internal construct of the NSS Auditing

Engine)

Rolling the audit record log file over to a new file when the log reaches an administrator-

specified maximum size

For information, see “Patterns for Filtering Records of Type VIGIL” on page 17 and “Examples for

Filtering VIGIL Events” on page 19.

1.2 Using Auditing Client Applications with the

NSS Auditing Engine

Some auditing client applications, such as Novell Sentinel Log Manager and various third-party

products, can access audited events that are reported by the NSS Auditing Engine. Information

about the NSS Auditing Engine Software Developer Kit (SDK) is available on the NSS Auditing

SDK Web site (http://developer.novell.com/wiki/index.php/NSS_Auditing_SDK).

Section 1.2.1, “Novell Sentinel Log Manager,” on page 11

Section 1.2.2, “Third-Party Partner Applications,” on page 11

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