Release Notes for Dr.Web for UNIX Mail Servers 11.1

Last updated on 2/27/2019.


Features and Changes

Installation and Upgrade Notes

Known Issues

Additional Information


The product is created to protect computers operating under UNIX-family OSes against viruses and other malware targeting different platforms. Dr.Web for UNIX Mail Servers prevents distribution of viruses and spam via enterprise email services based on mail servers for UNIX-family OSes.


Features and Changes

This section contains a list of features and other changes that released in the new version.

New Features

Dr.Web solution for Solaris OS is no longer distributed;

Scanning engine for amd64 platform;

Removed dependency of packages for amd64 platform on 32-bit libc library;

Anti-virus engine is moved to separated package drweb-engine;

Dr.Web ConfigD and Dr.Web Ctl components are distributed in separated packages;

Full version of manuals for all Dr.Web for UNIX products is distributed with installed product;

Support of the following web resource categories is added for Dr.Web MailD and SpIDer Gate: online games, anonymizers, cryptocurrency mining pools;

Lua language is used to make procedures for checking network traffic by Dr.Web Firewall component;

Lua language is used to make procedures for checking email messages by Dr.Web MailD component;

In addition to LDAP, emails and network traffic checking rules support the following new data source types:

Text files (including regular expressions and IP address ranges);

Relational DBMS MySQL, PostgreSQL, and SQLite;


Upgraded Used Libraries

OpenSSL (to 1.0.2h);

libzypp, zypper, boost (to 1.68), protobuf (to 3.4.0).

Improved the Installation Program Operation

The md5 utility support is added in order to check integrity of installation package for FreeBSD OS;

Improved the method of detection and automatically removing during installation of the installed Dr.Web products;

Automatically sending of emails with installation results to root@localhost mailbox is added;

Directory for man help pages is changed (for FreeBSD OS only);

ELF executables are signing for Astra Linux SE OS;

Control script for Dr.Web ConfigD is renamed (for FreeBSD OS only).

Improved Operation with Threats and Quarantine

Information about detected threats is saved when the product is restarted;

Threat registry stores PID of the component detected the threat;

Improved the caching information on file scanning;

Repaired processing of file renaming during threat curing;

Statistics on detected threats is sent to Dr.Web Cloud;

Dr.Web Cloud service is used to check files;

Dr.Web Clamd component supports ALLMATCHSCAN command of ClamAV protocol;

Restricted the maximum number of tries to cure one file by anti-virus engine.

Improved drweb-ctl Command Line Utility Operation

Setting up the formatted output of threat list is supported for quarantine and threats commands;

The option --Exclude is added for scan and remotescan commands in order to specify list of files excluded from scan (paths with wildcard are allowed);

The option --Directory is added for threats command in order to filter list of detected threats on path to original file;

The remotescan command supports Telnet protocol;

Feature to specify relative path for restoring file from quarantine is added;

Feature to out scan command results in JSON format is added;

Feature to scan stdin stream by the netcheck command is added;

The log command is added in order to show last records of product's log;

Feature to get list of installed virus databases by baseinfo command is added;

The proxyscan command is removed.

Improved the Updates Receiving Procedure

Configuration parameters that store paths to files of update servers list (DRL) are changed;

Dr.Web Updater component operates in daemon mode;

New procedure of update virus databases from update servers is supported.

Improved the Interaction with Central Protection Server

Exchange with the server universal settings of components in the INI format is supported;

X.509 certificate instead of public key is used during connection with the server;

Transmit to the server SHA-1 and SHA-256 fingerprints of infected file for each detected threat.

Other Changes

Improved detection of OS distributive where the product is installed;

Realized sending information on used OS to Dr.Web Cloud;

TLS 1.0 and 1.1 are not longer used.


Installation and Upgrade Notes

The product can be installed from the official Dr.Web repository at or from universal installation package downloaded at

Installation of the product will not change or invalidate your installed key file of installed previous version of a Dr.Web product.  Settings of the upgraded Dr.Web product will be automatically converted, if it is necessary to support new features.


Known Issues

This section contains a list of known issues found in the new version.

In the FreeBSD OS, when upgrading a version 11.0 of the product running in a central protection mode, to a new version 11.1, after the connection of the workstation with the server is established, the settings of the components whose settings were set on the central protection server are reset (and the components are stopped). To apply the correct component settings, you need to make changes to any settings for this workstation on the central protection server.


Additional Information

Technical Support

If you encounter any issues installing or using company products, before requesting for the assistance of the technical support, take advantage of the following options:

Download and review the latest manuals and guides at

Read the frequently asked questions at

Browse the Dr.Web official forum at

If you have not found solution for the problem, you can request direct assistance from Doctor Web company technical support by one of the following ways:

Fill in the web form in the corresponding section at

Call by phone in Moscow: +7 (495) 789-45-86.

Refer to the official website at for regional and international office information of Doctor Web company.


Legal Notes

© Doctor Web, 2019. All rights reserved

This document is the property of Doctor Web. No part of this document may be reproduced, published or transmitted in any form or by any means for any purpose other than the purchaser's personal use without proper attribution.


Dr.Web, SpIDer Mail, SpIDer Guard, CureIt!, CureNet!, AV-Desk, KATANA and the Dr.WEB logo are trademarks and registered trademarks of Doctor Web in Russia and/or other countries. Other trademarks, registered trademarks and company names used in this document are property of their respective owners.


In no event shall Doctor Web and its resellers or distributors be liable for errors or omissions, or any loss of profit or any other damage caused or alleged to be caused directly or indirectly by this document, the use of or inability to use information contained in this document.