F4. Dr.Web Proxy Server Configuration File

The drwcsd-proxy.conf configuration file of Dr.Web Proxy Server is in the XML format and located in the following folder:

•Windows OS: C:\ProgramData\Doctor Web\drwcs\etc

•Linux OS: /var/opt/drwcs/etc

•FreeBSD OS: /var/drwcs/etc

Description of Dr.Web Proxy Server configuration file parameters:

•<listen spec="">

The <drwcsd-proxy /> root element contains one or several mandatory <listen /> elements that define the basic settings of Dr.Web Proxy Server for receiving connections.

The <listen /> element contains one mandatory attribute spec, the attributes of which define an interface to "listen" on for incoming client connections, and whether the discovery mode is enabled on that interface.

The spec element attributes:

Depending on the protocol, the list of non-mandatory properties in the spec attribute may vary.

The list of non-mandatory properties, which can be set (+) or cannot be set (-) in the spec attribute, depending on the protocol:

▫<compression mode="" level="">

The <compression /> element is nested in the <listen /> element, it defines compression parameters for the connection between a client and Dr.Web Proxy Server.

Attribute description:

▫<encryption mode="">

The <encryption /> element is nested in the <listen /> element, it defines encryption parameters for the connection between a client and Dr.Web Proxy Server.

Attribute description:

▫<forward to="" master="">

Specifies the settings for the redirection of incoming connections to Dr.Web Server. The <forward /> element is mandatory. Several <forward /> elements with different attribute values can be specified.

Attribute description:

▪<compression mode="" level="">

If the <compression /> element is nested in the <forward /> element, it defines compression parameters for the connection between Dr.Web Server and Dr.Web Proxy Server. The attributes are the same as described above.

▪<encryption mode="">

If the <encryption /> element is nested in the <forward /> element, it defines encryption parameters for the connection between Dr.Web Server and Dr.Web Proxy Server. The attributes are the same as described above.

▫<update-bandwidth value="" queue-size="">

The <update-bandwidth /> element specifies the bandwidth limit for the delivery of updates from Dr.Web Server to clients and the number of clients that can download updates at the same time.

Attribute description:

▪<bandwidth value="" time-map="" />

The <update-bandwidth /> element may have one or several nested <bandwidth /> elements. This element specifies a bandwidth limit for data transfer for the specified time period.

Attributes description:

▫<install-bandwidth value="" queue-size="">

The <install-bandwidth> element specifies the bandwidth limit for data transfer when installing Dr.Web Agents and the number of clients that can download the installation data at the same time.

Attribute description:

▪<bandwidth value="" time-map="">

The <install-bandwidth> element may have one or several nested <bandwidth /> elements. This element specifies the bandwidth limit for data transfer for the specified time period.

Attribute description:

•<cache enabled="">

Configure the settings of Dr.Web Proxy Server repository cache.

Attribute description:

The <cache> element contains the following nested elements:

▫<synchronize enabled="" schedule="">

Settings for synchronization of Dr.Web Proxy Server and Dr.Web Server repositories.

Attribute description:

The <product name="" /> nested elements contain products for the synchronization:

•05-drwmeta—Dr.Web Server security data,

•10-drwbases—virus databases,

•10-drwgatedb—SpIDer Gate databases,

•10-drwspamdb—Anti-spam databases,

•10-drwupgrade—Dr.Web Updater,

•15-drwhashdb—known hashes of threats,

•20-drwagent—Dr.Web Agent for Windows,

•20-drwandroid11—virus databases for Android,

•20-drwcs—Dr.Web Server,

•20-drwunix—content filter databases for UNIX,

•25-drwcsdoc—documentation,

•40-drwproxy—Dr.Web Proxy Server,

•70-drwextra—Dr.Web enterprise products,

•70-drwutils—Dr.Web administrative utilities,

•80-drwnews—Doctor Web News.

•<events enabled="" schedule="">

Settings for caching events received from Dr.Web Agents.

Attribute description:

•<update enabled="" schedule="">

Dr.Web Proxy Server automatic update settings.

For the automatic update, if the synchronization is enabled, Dr.Web Proxy Server updates are downloaded from Dr.Web Server according to the synchronization schedule (see above) and are installed according to the update schedule (by default, with no time limitations). If the synchronization is disabled, then updates are downloaded and installed according to the update schedule (by default, with no time limitations).

Attributes description:

•<core-dump enabled="" maximum="">

The collection mode and number of memory dumps when an SEH exception occurs.

The dump is written to the following folder: %APPDATA%\Doctor Web\drwcsd-proxy\dump\

Attribute description:

•<dns>

DNS settings.

<timeout value="">

Time-out in seconds for resolving DNS direct/reverse queries. Leave the value blank to disable restriction on wait time until the end of the resolution

<retry value="">

Maximum number of DNS retries when DNS query resolution fails.

<cache enabled="" negative-ttl="" positive-ttl="">

Time for storing responses from DNS server in the cache.

Attribute description:

<servers>

List of DNS servers, that replaces the default system list. Contains one or several <server address=""> nested elements, whose address parameter defines IP address of the server.

<domains>

List of private TLD suffixes, that replaces the default system list. Contains one or several <domain name=""> nested elements, whose name parameter defines the domain name.