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The drwcsd-proxy.conf configuration file of the Proxy server is presented 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 Server configuration file parameters:
•<listen spec=""> The <drwcsd-proxy /> root element contains one or several obligatory <listen /> elements which define basic settings of the Proxy Server for receiving connections.
The <listen /> element contains one obligatory attribute spec, attributes of which define an interface to "listen" incoming client connections and whether the discovery mode is enabled on this interface.
The spec element attributes:
Attribute
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Obligatory
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Allowed values
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Description
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Default
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ip | unix
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yes
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—
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Type of the protocol for receiving incoming connections. Address which the Proxy server listens is set as an attribute.
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0.0.0.0 | -
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port
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no
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—
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Port which the Proxy server listens.
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2193
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discovery
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no
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yes, no
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The mode of Server imitation. Allows detection of the Proxy server as Dr.Web Server by the Network scanner.
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yes
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multicast
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no
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yes, no
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Network "listening" mode for receiving multicast requests by the Proxy server.
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yes
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multicast-group
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no
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—
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Multicast group where the Proxy server is located.
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231.0.0.1
[ff18::231.0.0.1]
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Depending on the protocol, the list of non-obligatory properties in the spec attribute may vary.
The list of non-obligatory properties, which can be set (+) or cannot be set (-) in the spec attribute, depending on the protocol:
Protocol
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Attribute presence
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port
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discovery
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multicast
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multicast-group
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ip
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+
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+
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+
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+
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unix
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+
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-
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-
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-
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The discovery mode must be enabled directly in any case even if the multicast mode is already enabled.
The forwarding algorithm for the list of Dr.Web Servers is given in the Administrator Manual.
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▫<compression mode="" level=""> The <compression /> element is a child of the <listen /> element, it defines compression parameters for the client—Proxy server channel.
Attributes description:
Attribute
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Allowed values
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Description
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Default
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mode
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yes
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Compression enabled.
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possible
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no
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Compression disabled.
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possible
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Compression possible.
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level
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integer from 1 to 9
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Compression level. Only for the client—Proxy server channel.
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8
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▫<encryption mode=""> The <encryption /> element is a child of the <listen /> element, it defines encryption parameters for the client—Proxy server channel.
Attributes description:
Attribute
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Allowed values
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Description
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Default
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mode
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yes
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Encryption enabled.
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possible
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no
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Encryption disabled.
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possible
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Encryption possible.
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▫<forward to="" master=""> Specifies the settings to redirect the incoming connections. The <forward /> element is obligatory. Several <forward /> elements can be set with the different attribute values.
Attributes description:
Attribute
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Allowed values
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Description
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Obligatory
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to
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An address is specified according to the The Specification of Network Addresses, particularly, in the following format: tcp/<DNS_name>:<port>.
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Addresses of Dr.Web Server where to redirect the connection.
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yes
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master
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•yes—the Server is unconditional managing. •no—the Server is not managing under any conditions. •possible—the Server will be managing only if there are no explicit managing Servers (with the yes value for the master attribute). |
The attribute defines if the Proxy server settings can be remotely edited via the Control Center of Dr.Web Server specified in the to attribute.
You can assign managing to any number of Servers (set the master="yes"); Proxy server connects to all the managing Servers by their order in the settings until it gets the first valid (not empty) configuration.
Also, you can assign none of the Servers managing (set the master="no"). In this case, the Proxy server parameters (including the assignment of managing Servers) can be configured only locally via the Proxy server configuration file.
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no
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If the master attribute is absent for the Server, default is the same as master="possible".
In the configuration file created by the installer during the Proxy server installation, the master attribute is not defined for any of the Servers.
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The <forward /> element is obligatory. Each <listen /> element can contain several <forward /> elements.
▪<compression mode="" level=""> If the <compression /> element is a child of the <forward /> element, it defines compression parameters for the Server—Proxy server channel. Attributes are the same as described above.
▪<encryption mode=""> If the <encryption /> element is a child of the <forward /> element, it defines encryption parameters for the Server—Proxy server channel. Attributes are the same as described above.
▫<update-bandwidth value="" queue-size=""> The <update-bandwidth /> element allows to specify the speed limitation on updates transferring from the Server to clients and the number of clients that downloading updates at the same time.
Attributes description:
Attribute
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Allowed values
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Description
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Default
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value
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•KB/sec. •unlimited |
Maximum summary speed of updates transferring.
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unlimited
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queue-size
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•positive integer •unlimited |
Maximum allowable number of updates distribution sessions running at the same time from the Server. When the limit is reached, the Agent requests are placed into the waiting queue. The waiting queue size is unlimited.
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unlimited
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▪<bandwidth value="" time-map="" /> The <update-bandwidth /> element may have one or several <bandwidth /> child elements. This element allows to specify speed limitation of data transferring for the specified time period.
Attributes description:
Attribute
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Allowed values
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Description
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Default
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value
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•KB/sec. •unlimited |
Maximum summary speed of data transferring for the Agent updates.
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unlimited
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time-map
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—
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The mask that specifies the time period to apply limitations.
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—
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The value of the time-map parameter is defined same as the schedule of traffic updates in the Server settings. The time-map manual generating is not currently supported.
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▫<install-bandwidth value="" queue-size=""> The <install-bandwidth> element allows to specify the speed limitation on data transferring during Agents installation and number of clients that downloading data for installation at the same time.
Attributes description:
Attribute
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Allowed values
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Description
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Default
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value
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•KB/sec. •unlimited |
Maximum summary speed of data transferring during the Agents installation.
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unlimited
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queue-size
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•positive integer •unlimited |
Maximum allowable number of the Agent installation sessions running at the same time from the Server. When the limit is reached, the Agent requests are placed into the waiting queue. The waiting queue size is unlimited.
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unlimited
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▪<bandwidth value="" time-map="" /> The <install-bandwidth /> element may have one or several <bandwidth /> child elements. This element allows to specify speed limitation of data transferring for the specified time period.
Attributes description:
Attribute
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Allowed values
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Description
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Default
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value
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•KB/sec. •unlimited |
Maximum summary speed of data transferring for the Agent installation.
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unlimited
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time-map
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—
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The mask that specifies the time period to apply limitations.
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—
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The value of the time-map parameter is defined same as the schedule of traffic updates in the Server settings. The time-map manual generating is not currently supported.
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•<cache enabled=""> Configure the settings of Proxy server repository cache.
Attributes description:
Attribute
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Allowed values
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Description
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Default
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enabled
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yes | no
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Defines if the caching is enabled.
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yes
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The <cache /> element contains the following child elements:
Element
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Allowed values
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Description
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Default
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<clean-interval value="" />
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positive integer
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Number of stored revisions.
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3
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<unload-interval value="" />
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positive integer
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Time slot between purging of old revisions in minutes.
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60
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<repo-check mode="" />
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positive integer
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Time slot between unloads of unused files from the memory in minutes.
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10
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<repo-check />
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idle | sync
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Check of cache integrity either at start (may take time) or in background.
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idle
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▫<synchronize enabled="" schedule=""> Settings for synchronization of Proxy server and Dr.Web Server repositories.
Attributes description:
Attribute
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Allowed values
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Description
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Default
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enabled
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yes | no
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Defines if the repository synchronization is enabled.
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yes
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schedule
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—
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Schedule for synchronization of the specified products.
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—
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The value of the schedule parameter is defined same as the schedule of synchronization in the Control Center settings. The schedule manual generating is not currently supported.
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The <product name="" /> child elements give the list of products for the synchronization:
•10-drwbases—virus databases, •10-drwgatedb—SpIDer Gate bases, •10-drwspamdb—Anti-spam bases, •10-drwupgrade—Dr.Web Updater, •20-drwagent—Dr.Web Agent for Windows, •20-drwandroid11—Dr.Web Agent for Android, •20-drwunix—Dr.Web Agent for UNIX, •40-drwproxy—Dr.Web Proxy server. •<events enabled="" schedule="" /> Settings for caching the events received from the Agents.
Attributes description:
Attribute
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Allowed values
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Description
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Default
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enabled
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yes | no
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Defines if the caching is enabled.
If enabled, the events are sent to the Server according to the timetable. If the caching is disabled, events will be sent to the Server immediately after receiving by the Proxy server.
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yes
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schedule
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—
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Timetable according to which the events from the Agents will be transmitted.
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—
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The value of the schedule parameter is defined same as the schedule of events sending in the Control Center settings. The schedule manual generating is not currently supported.
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•<update enabled="" schedule="" /> Settings for the automatic update of the Proxy server.
For the automatic update, if the synchronization is enabled, the Proxy server updates are downloaded from the Server according to the synchronization timetable (see above) and are installed according to the update timetable (by default, with no time limitations). If the synchronization is disabled, when updates are downloaded and installed by update timetable (by default, with no time limitations).
Attributes description:
Attribute
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Allowed values
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Description
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Default
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enabled
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yes | no
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Defines if the automatic update is enabled.
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yes
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schedule
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—
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Timetable according to which the updates will be downloaded (if synchronization is not set) and installed.
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—
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The schedule manual generating is not currently supported. By default, the automatic update is allowed with no time limitations.
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•<core-dump enabled="" maximum="" /> The collecting mode and number of memory dumps in case of SEH exception occurs.
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Memory dumps setup is available for Windows OS only.
To collect memory dump, OS must contain the dbghelp.dll library.
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Dump is written to the following folder: %All Users\Application Data%\Doctor Web\drwcsd-proxy-dump\
Attributes description:
Attribute
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Allowed values
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Description
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Default
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enabled
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yes | no
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Defines if dumps collecting is enabled.
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yes
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maximum
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positive integer
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Maximal dumps number. The oldest are deleted.
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10
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•<dns> DNS settings.
<timeout value=''/>
Timeout 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 repeated DNS queries on fail while resolving the DNS query.
<cache enabled='' negative-ttl='' positive-ttl=''/>
Time for storing responses from DNS server in the cache.
Attributes description:
Attribute
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Allowed values
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Description
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enabled
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•yes—store responses in the cache, •no—do not store responses in the cache. |
Mode of storing responses in the cache.
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negative-ttl
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—
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Storage time in the cache (TTL) of negative responses from the DNS server in minutes.
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positive-ttl
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—
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Storage time in the cache (TTL) of positive responses from the DNS server in minutes.
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<servers>
List of DNS servers, which replaces default system list. Contains one or several <server address=""/> child elements, the address parameter of which defines IP address of the server.
<domains>
List of DNS domains, which replaces default system list. Contains one or several <domain name=""> child elements, the name parameter of which defines the domain name.
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