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Impacted Hostname

The host that was affected by the activity (for example, target or server).

Data Type




Client Console Full Name

Host (Impacted)

Client Console Short Name

Not applicable

Web Console Tab/Name

Host (Impacted)

Elasticsearch Field Name


Rule Builder Column Name


Regex Pattern


NetMon Name

Not applicable

Field Relationships

  • SIP
  • SIPv4
  • SIPv6
  • SIPv6E
  • Origin Hostname
  • Origin Hostname or IP
  • Origin NAT IP
  • DIP
  • DIPv4
  • DIPv6
  • DIPv6E
  • Impacted Hostname or IP
  • Impacted NAT IP
  • Origin Port
  • Origin NAT Port
  • Impacted Port
  • Impacted NAT Port
  • Origin MAC Address
  • Impacted MAC Address
  • Origin Interface
  • Impacted Interface
  • Origin Domain
  • Impacted Domain
  • Origin Login
  • Impacted Account
  • IANA Protocol Number
  • IANA Protocol Name

Common Applications

Networked equipment

Use Case

Host context

MPE/Data Masking Manipulations

Polyfield – Impacted Host

Usage Standards

  • Impacted is Server (In Client-Server Model).
  • Impacted is Target (In Attacker-Target Model).
  • Can be used for parsing fully qualified domain names for non-world wide web context hostnames.


  • Windows Event Log

<Event xmlns='http://Host2/win/2004/08/events/event'><System><Provider Name='NETLOGON'/><EventID Qualifiers='0'>5805</EventID><Level></Level><Task>None</Task><Keywords></Keywords><TimeCreated SystemTime='2014-02-06T06:03:06.000000000Z'/><EventRecordID>156578</EventRecordID><Channel>System</Channel><Computer> USABLDRRECFLOW01</Computer><Security/></System><EventData>The session setup from the computer USABLDRRECFLOW02failed to authenticate. The following error occurred:

Access is denied.</EventData></Event>

<Computer> is the origin of the log message here, but also the domain controller which the origin is trying to authenticate against and is therefore impacted. Client-Server (origin-impacted) relationship applies here. Computer client trying to authenticate is the origin of the request to the server.

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