Dora User Manual

Warning

This document is still a work-in-progress. Large parts of it may be inaccurate, and it may mention programs, features and configuration options that do not exist in Dora. This warning will be removed when the manual is known to be correct.

Contents

• 1. Installation
  • 1.1. Hardware requirements
  • 1.2. Supported platforms
  • 1.3. RPM platforms
    • 1.3.1. Red Hat Enterprise Linux 10 (x86_64)
    • 1.3.2. Red Hat Enterprise Linux 10 (aarch64)
    • 1.3.3. Red Hat Enterprise Linux 9 (x86_64)
    • 1.3.4. Red Hat Enterprise Linux 9 (aarch64)
    • 1.3.5. Fedora Linux 44 (x86_64)
    • 1.3.6. Fedora Linux 44 (aarch64)
    • 1.3.7. Fedora Linux 43 (x86_64)
    • 1.3.8. Fedora Linux 43 (aarch64)
  • 1.4. Debian and Ubuntu platforms
    • 1.4.1. Debian 13 "Trixie" (amd64)
    • 1.4.2. Debian 13 "Trixie" (arm64)
    • 1.4.3. Debian 13 "Trixie" (riscv64)
    • 1.4.4. Debian 12 "Bookworm" (amd64)
    • 1.4.5. Debian 12 "Bookworm" (arm64)
    • 1.4.6. Ubuntu 26.04 LTS "Resolute Raccoon" (amd64)
    • 1.4.7. Ubuntu 26.04 LTS "Resolute Raccoon" (arm64)
    • 1.4.8. Ubuntu 26.04 LTS "Resolute Raccoon" (riscv64)
    • 1.4.9. Ubuntu 24.04 LTS "Noble Numbat" (amd64)
    • 1.4.10. Ubuntu 24.04 LTS "Noble Numbat" (arm64)
    • 1.4.11. Ubuntu 24.04 LTS "Noble Numbat" (riscv64)
    • 1.4.12. Ubuntu 22.04 LTS "Jammy Jellyfish" (amd64)
    • 1.4.13. Ubuntu 22.04 LTS "Jammy Jellyfish" (arm64)
  • 1.5. Upgrading
• 2. Programs
  • 2.1. dhcpd --- DHCP server
    • 2.1.1. Synopsis
    • 2.1.2. Description
    • 2.1.3. Operation
    • 2.1.4. Command line
    • 2.1.5. Options
    • 2.1.6. Loopback interfaces
    • 2.1.7. UDP and TCP ports
    • 2.1.8. Configuration
      • 2.1.8.1. Subnets
      • 2.1.8.2. Lease time
      • 2.1.8.3. BOOTP support
      • 2.1.8.4. Options
    • 2.1.9. OMAPI
      • 2.1.9.1. The lease object
      • 2.1.9.2. The host object
      • 2.1.9.3. The group object
      • 2.1.9.4. The control object
      • 2.1.9.5. The failover-state object
    • 2.1.10. Signals
    • 2.1.11. Files
    • 2.1.12. See also
    • 2.1.13. Copyright
  • 2.2. dhcrelay - DHCP relay agent
    • 2.2.1. Synopsis
    • 2.2.2. Description
    • 2.2.3. Operation
    • 2.2.4. Options
      • 2.2.4.1. Protocol selection
      • 2.2.4.2. Specifying DHCPv4/BOOTP servers
      • 2.2.4.3. Options available for both DHCPv4 and DHCPv6
      • 2.2.4.4. Options available for DHCPv4 only
      • 2.2.4.5. Options available for DHCPv6 only
    • 2.2.5. See also
    • 2.2.6. Bugs
    • 2.2.7. Copyright
  • 2.3. omshell --- OMAPI command shell
    • 2.3.1. Synopsis
    • 2.3.2. Description
    • 2.3.3. Options
    • 2.3.4. Local and remote objects
    • 2.3.5. Opening a connection
    • 2.3.6. Creating local objects
    • 2.3.7. Associating local and remote objects
    • 2.3.8. Viewing a remote object
    • 2.3.9. Modifying a remote object
    • 2.3.10. New remote objects
    • 2.3.11. Resetting attributes
    • 2.3.12. Refreshing objects
    • 2.3.13. Deleting objects
    • 2.3.14. Help
    • 2.3.15. See also
    • 2.3.16. Copyright
• 3. Configuration and data
  • 3.1. dhcpd.conf --- DHCP server configuration
    • 3.1.1. Description
    • 3.1.2. Examples
    • 3.1.3. Address pools
    • 3.1.4. Dynamic address allocation
    • 3.1.5. IP address conflict prevention
    • 3.1.6. DHCP failover
      • 3.1.6.1. Failover startup
      • 3.1.6.2. Configuring failover
    • 3.1.7. Client classing
      • 3.1.7.1. Subclasses
      • 3.1.7.2. Per-class limits on dynamic address allocation
      • 3.1.7.3. Spawning classes
      • 3.1.7.4. Combining match, match if, and spawn with
    • 3.1.8. Dynamic DNS updates
    • 3.1.9. The DNS UPDATE scheme
      • 3.1.9.1. Dynamic DNS UPDATE security
    • 3.1.10. Events
    • 3.1.11. Declarations
    • 3.1.12. Allow and deny
      • 3.1.12.1. allow, deny, and ignore in scope
      • 3.1.12.2. allow and deny within pool declarations
    • 3.1.13. Parameters
    • 3.1.14. Setting parameter values using expressions
    • 3.1.15. Reserved leases
    • 3.1.16. References
    • 3.1.17. Files
    • 3.1.18. See also
    • 3.1.19. Copyright
  • 3.2. dhcpd.leases --- DHCP lease database
    • 3.2.1. Description
    • 3.2.2. Format
    • 3.2.3. Common statements for lease declarations
      • 3.2.3.1. Dates
      • 3.2.3.2. General variables
      • 3.2.3.3. DDNS Variables
    • 3.2.4. Executable statements
    • 3.2.5. The DHCPv4 lease declaration
    • 3.2.6. The DHCPv6 lease (IA) declaration
    • 3.2.7. The failover peer state declaration
    • 3.2.8. Files
    • 3.2.9. See also
    • 3.2.10. Copyright
  • 3.3. dhcp-eval --- DHCP conditional evaluation
    • 3.3.1. Description
    • 3.3.2. Conditional behavior
      • 3.3.2.1. The if statement
      • 3.3.2.2. The switch statement
    • 3.3.3. Boolean expressions
    • 3.3.4. Data expressions
    • 3.3.5. Numeric expressions
    • 3.3.6. Action expression
    • 3.3.7. Dynamic DNS updates
    • 3.3.8. See also
    • 3.3.9. Copyright
  • 3.4. dhcp-options --- DHCP options
    • 3.4.1. Description
    • 3.4.2. Option statements
    • 3.4.3. Setting option values using expressions
    • 3.4.4. Standard DHCPv4 options
    • 3.4.5. Relay agent information option
    • 3.4.6. Client FQDN suboptions
    • 3.4.7. NetWare/IP suboptions
    • 3.4.8. Standard DHCPv6 options
    • 3.4.9. Accessing DHCPv6 relay options
    • 3.4.10. Defining new options
      • 3.4.10.1. Boolean
      • 3.4.10.2. Integer
      • 3.4.10.3. IPv4 address
      • 3.4.10.4. IPv6 address
      • 3.4.10.5. Text
      • 3.4.10.6. Data string
      • 3.4.10.7. Domain list
      • 3.4.10.8. Encapsulation
      • 3.4.10.9. Arrays
      • 3.4.10.10. Records
    • 3.4.11. Vendor encapsulated options
    • 3.4.12. See also
    • 3.4.13. Copyright
• 4. Release notes
  • 4.1. Dora 1.99.15
  • 4.2. Lease 1.99.14
  • 4.3. Lease 1.99.13
  • 4.4. Lease 1.99.12
  • 4.5. Lease 1.99.11
  • 4.6. Lease 1.99.10
  • 4.7. Lease 1.99.9
  • 4.8. Lease 1.99.8
  • 4.9. Lease 1.99.7
  • 4.10. Lease 1.99.6
  • 4.11. Version numbering scheme
    • 4.11.1. Stable and development versions
  • 4.12. Version branches
  • 4.13. History of Dora
• 5. License
• 6. Data and privacy