ESET FILE SECURITY Manuale utente

ESET File Security

Installation Manual

and User Guide

we protect digital worlds

2ESET File Security

Table of contents

1. Introduction .........................................................................................3

2.Terminology and abbreviations..........................................................5

3. Installation............................................................................................. 9

4. Architecture Overview ......................................................................11

5. Integration with File System services.............................................15

5.1. On-demand scanner .................................................................................. 16

5.2. On-access scanner powered by Dazuko ............................................. 16

5.2.1. Operation principle................................................................................. 17

5.2.2. Installation and configuration ............................................................17

5.2.3. Tips ................................................................................................................ 17

5.3. On-access scanner using preload LIBC library...................................18

5.3.1. Operation principle................................................................................. 18

5.3.2. Installation and configuration ............................................................19

5.3.3. Tips ................................................................................................................ 19

6. Important ESET File Security mechanisms 21

6.1. Handle Object Policy.................................................................................. 22

6.2. User Specific Configuration..................................................................... 22

6.3. Samples Submission System................................................................... 23

6.4. World Wide Web Interface.........................................................................24

6.5. Remote Administration..............................................................................24

7. ESET Security system update...........................................................25

7.1. ESETS update utility.................................................................................... 26

7.2. ESETS update process description........................................................ 26

8. Let us know..........................................................................................27

Appendix A. PHP License .....................................................................29

ESET File Security

ESET File Security was developed by ESET, spol. s r.o. For more

information visit www.eset.com.

reproduced, stored in a retrieval system or transmitted in any form

or by any means, electronic, mechanical, photocopying, recording,

scanning, or otherwise without permission in writing from the author.

ESET, spol. s r.o. reserves the right to change any of the described

application software without prior notice.

This product includes PHP software, freely available from http://www.

php.net/software/.

REV.20080701-005

Chapter 1:

Introduction

4ESET File Security

Dear user, you have acquired ESET File Security - arguably the most advanced security system

running under the Linux/BSD/Solaris OS. As you will soon find, ESET's state-of-the-art scanning

engine has unsurpassed scanning speed and detection rates, combined with a very small

footprint that makes it the ideal choice for any Linux/BSD/Solaris OS server.

Key features of the system:

• TheESETantivirusscanningenginealgorithmsprovidethehighestdetectionrateand

the fastest scanning times.

• ESETFileSecurityisdevelopedtorunonsingle-processoraswellas

multi-processor units.

• ItincludesuniqueadvancedheuristicsforWin32wormsandback-doors.

• Inbuiltarchiversunpackarchivedobjectswithouttheneedforanyexternalprograms.

• Toincreasethespeedandefficiencyofthesystem,itsarchitectureisbasedonthe

running daemon (resident program) where all scanning requests are sent.

• Allexecutivedaemons(exceptesets_dac)rununderanon-privilegeduseraccountto

enhance security.

• Thesystemsupportsselectiveconfigurationbasedontheuserorclient/server.

• Sixlogginglevelscanbeconfiguredtoretrieveinformationaboutsystemactivityand

infiltrations.

• Conguration,administrationandlicensemanagementareoeredthroughanintuitive

and user-friendly World Wide Web Interface.

• ThesystemsupportsESETRemoteAdministrationformanagementinlargecomputer

networks.

• TheESETFileSecurityinstallationdoesnotrequireexternallibrariesorprogramsexcept

for LIBC.

• Thesystemcanbeconfiguredtonotifyanyuserintheeventofadetectedinfiltration.

To run efficiently, ESET File Security requires just 16MB of hard disk space and 32MB of RAM.

It runs smoothly under the 2.2.x, 2.4.x and 2.6.x Linux OS kernel versions and the 5.x, 6.x FreeBSD

OS kernel versions.

From lower-powered, small office servers to enterprise-class ISP servers with thousands of

users, the system delivers the performance and scalability you expect from a Unix-based solution,

in addition to the unequaled security of ESET products.

Chapter 2:

Terminology

and abbreviations

6ESET File Security

In this section we will review the terms and abbreviations used in this document. Note that

a boldface font is reserved for product component names and also for newly defined terms and

abbreviations. Terms and abbreviations defined in this chapter are expanded upon later in this

document.

ESETS

ESET Security is a standard acronym for all security products developed by ESET, spol. s r.o. for

Linux, BSD and Solaris operating systems. It is also the name (or its part) of the software package

containing the products.

RSR

Abbreviation for ‘RedHat/Novell(SuSE) Ready’. Note that we also support RedHat Ready

and Novell(SuSE) Ready variations of the product. The RSRpackagediersfromthe“standard”

Linux version in that it meets the FHS (File-system Hierarchy Standard defined as a part of

Linux Standard Base) criteria required by the RedHat Ready and Novell(SuSE) Ready certificate.

This means that the RSR package is installed as an add-on application–the primary installation

directory is ’/opt/eset/esets’.

ESETS daemon

The main ESETS system control and scanning daemon: esets_daemon.

ESETS base directory

The directory where ESETS loadable modules containing the virus signature database

are stored. The abbreviation @BASEDIR@ will be used for future references to this

directory. The @BASEDIR@ value for the following Operating Systems is listed below:

Linux: /var/lib/esets

Linux RSR: /var/opt/eset/esets/lib

FreeBSD: /var/lib/esets

NetBSD: /var/lib/esets

Solaris: /var/opt/esets/lib

ESETS configuration directory

The directory where all files related to the ESET File Security configuration are stored. The

abbreviation @ETCDIR@ will be used for future references to this directory. The @ETCDIR@ value

for the following Operating Systems is listed below:

Linux: /etc/esets

Linux RSR: /etc/opt/eset/esets

FreeBSD: /usr/local/etc/esets

NetBSD: /usr/pkg/etc/esets

Solaris: /etc/opt/esets

ESETS configuration file

Main ESET File Security configuration file. The absolute path of the file is as follows:

@ETCDIR@/esets.cfg

ESETS binary files directory

The directory where the relevant ESET File Security binary files are stored. The abbreviation

@BINDIR@ will be used for future references to this directory. The @BINDIR@ value for the

following Operating Systems is listed below:

Linux: /usr/bin

Linux RSR: /opt/eset/esets/bin

FreeBSD: /usr/local/bin

NetBSD: /usr/pkg/bin

Solaris: /opt/esets/bin

ESETS system binary files directory

The directory where the relevant ESET File Security system binary files are stored. The

abbreviation @SBINDIR@ will be used for future references to this directory. The @SBINDIR@

value for the following Operating Systems is listed below:

Linux: /usr/sbin

Linux RSR: /opt/eset/esets/sbin

FreeBSD: /usr/local/sbin

NetBSD: /usr/pkg/sbin

Solaris: /opt/esets/sbin

ESETS object files directory

The directory where the relevant ESET File Security object files and libraries are stored. The

abbreviation @LIBDIR@ will be used for future references to this directory. The @LIBDIR@ value

for the following Operating Systems is listed below:

Linux: /usr/lib/esets

Linux RSR: /opt/eset/esets/lib

FreeBSD: /usr/local/lib/esets

NetBSD: /usr/pkg/lib/esets

Solaris: /opt/esets/lib

chapter 2 Terminology and abbreviations

Chapter 3:

Installation

After a purchase of the ESET Gateway Security, you will get your authorization data (Username/

password and a license key). The data are needed to identify you as our customer, who has right

to download updates for ESET Gateway Security. The Username/password data are required for

downloading installation package from our website. The ESET File Security product is distributed

as a binary file:

esets.i386.ext.bin

where ‘ext’ is a Linux/BSD/Solaris OS distribution dependent suffix. ‘deb’ is used for Debian,

‘rpm’ for RedHat and SuSE, ‘tgz’ for other Linux OS distributions, ‘fbs5.tgz’ for FreeBSD 5.xx, ‘fbs6.

tgz’ for FreeBSD 6.xx, ‘nbs4.tgz‘ for NetBSD 4.xx and ‘sol10.pkg.gz‘ for Solaris 10.

Note that the Linux RSR binary file format is:

esets-rsr.i386.rpm.bin

In order to install or upgrade the product, use the following command:

sh ./esets.i386.ext.bin

For Linux RSR variations of the product, use the command:

sh ./esets-rsr.i386.rpm.bin

to display the product’s User License Acceptance Agreement. Once you have confirmed the

Acceptance Agreement, the installation package is placed in the current working directory and

relevant information regarding the package’s installation, un-installation or upgrade is displayed

onscreen.

Once the package is installed, you can verify that the main ESETS service is running by using

the following command:

Linux OS:

ps -C esets_daemon

BSD OS:

ps -ax | grep esets_daemon

Solaris:

ps -A | grep esets_daemon

After pressing ENTER, you should see the following (or similar) message:

PID TTY TIME CMD

2226 ? 00:00:00 esets_daemon

2229 ? 00:00:00 esets_daemon

where at least two ESETS daemon processes are running in the background.The rst PID

represents the process and threads manager of the system. The second PID represents the ESETS

scanning process.

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