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About the Device

The Dynamic Host Configuration Protocol (DHCP) is a network protocol used to assign IP addresses and provide configuration information to devices such as servers, desktops, or mobile devices, so they can communicate on a network using the Internet Protocol (IP). ISC DHCP is a collection of software that implements all aspects of the DHCP (Dynamic Host Configuration Protocol) suite. ISC DHCP solution supports both IPv4 and IPv6, and is suitable for use in high-volume and high-reliability applications.        

Device Information

 Entity

Particulars

Vendor Name

ISC

Product Name

DHCP 

Type of Device

Hosted

Collection Method

Log Type

 Ingestion label

Preferred Logging Protocol - Format

Log collection method

 ISC DHCP

ISC_DHCP

 Syslog - Structured

CyberHub

Port Requirements

Source

Destination

Port

 ISC DHCP

CyberHub

601 (TCP)

Device Configuration

To direct DHCP logs to a remote server:

  1. To check the DHCP logging facility, follow the steps below.

    1. Open the dhcpd.conf file (located in the /etc/dhcp directory).

    2. Look for the log-facility statement in the file. It will look like: log-facility local6;

    3. Note down the facility (the string afterlog-facility, for example, local6 in the above case) and close the file.

  2. To edit the rsyslog.conf file:

    1. Open the /etc/rsyslog file (or /etc/syslog file in older Linux and Solaris distributions).

    2. For ISC DHCP installed on a Linux machine:

      1. Add the following lines at the end of the “### RULES ######” section:

        <logfacility>.*@@<CyberHub_IP_Address>:<601>where logfaciltiy => facility noted in step 1(c) from the above section

      2. Save and close the file.

      3. Restart the rsyslog service by executing following command: service rsyslog restart

    3. For ISC DHCP installed on Solaris machine:

      1. Add the following lines at the end of the file:

        <logfacility>.info @@<CyberHub_IP_Address>:<601><logfacility>.err @@<CyberHub_IP_Address>:<601> where Logfaciltiy => facility noted in the step 1(c) from the above section.

      2. Save and close the file.

      3. Restart rsyslog service by executing following command: svcadm restart system-log

Integration Parameters

Parameters required from customer for Integration.

Property

Default Value

Description

IP Address

 ISC DHCP interface IP address

Hostname or IP address of the device which forwards logs to the CyberHub

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