FreeRADIUS InkBridge

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The FreeRADIUS Server

- Introduction
- Concepts
- Reference Documentation
  - Unlang Policy Language
    - Interpreter
    - Keywords
      - break
      - call
      - caller
      - case
      - catch
      - continue
      - default
      - detach
      - editing
      - else
      - elsif
      - expressions
      - filter
      - finally
      - foreach
      - group
      - if
      - load-balance
      - limit
      - map
      - parallel
      - redundant-load-balance
      - redundant
      - return
      - subrequest
      - switch
      - timeout
      - transaction
      - try
      - update
    - Local Variables
    - Modules
      - Module Methods
      - Built-in Modules
    - Conditional Expressions
    - Attribute Lists
    - Attribute References
    - Return Codes
  - Data Types
  - Dynamic Expansions
  - Dictionaries
    - ALIAS
    - ATTRIBUTE
    - DEFINE
    - ENUM
    - FLAGS
    - $INCLUDE
    - MEMBER
    - PROTOCOL
    - References
    - VALUE
    - VENDOR
    - BEGIN-PROTOCOL
    - END-PROTOCOL
    - BEGIN
    - END
    - BEGIN-VENDOR
    - END-VENDOR
  - Configuration Files
  - Modules
    - Summary of Modules
    - Authentication
      - CHAP module
      - CRL
      - Digest
      - DPSK
      - EAP
      - EAP/Inner
      - IMAP
      - Kerberos
      - LDAP
      - Microsoft CHAP
      - NTLM Auth
      - Pluggable Authentication
      - PAP
      - REST
      - TOTP
      - Winbind
      - Yubikey
    - Datastores
      - Cache
        
        Cache EAP
        
        Cache TLS Session
      - Client
      - CSV
      - Etc_group
      - Files
        
        File Format
      - FTP
      - KV
      - LDAP
      - OpenDirectory
      - Passwd
        
        Mac2IP
        
        Mac2Vlan
        
        SMBPasswd
      - REDIS
        
        IP Pool
        
        User Tracking
      - REST
      - SQL
        
        Counter
        
        IP Pool
        
        Redundant
      - Unix
    - Formatting and Conversion
      - Cipher
      - Date
      - Escape
      - JSON
      - Unpack
      - UTF-8
    - Language
      - Exec
        
        Echo Example
      - Lua
      - Perl
      - Python
      - Ruby
    - Logging
      - Linelog
      - Logtee
      - Detail
        
        Example
        
        Log Example
    - Policy
      - Always
      - Attr_filter
      - IDN
      - Sometimes
    - Protocols
      - DHCPv4
        
        ISC DHCP
      - RADIUS
        
        CUI
        
        WiMAX
    - Utility
      - Dict
      - SMTP
      - Stats
      - Unbound
  - Policies
    - Create Policy Rules
  - Virtual Servers
  - Man Pages
    - dictionary
    - radclient
    - radiusd
    - radmin
    - radsniff
    - unlang
- Troubleshooting
- Howto Guides
- Tutorials
- Developers

The FreeRADIUS Server 4.0.0 Devel

The FreeRADIUS Server
- 4.0.0 Devel
- 4.0~alpha1 Devel
- 3.2.9
- 3.2.8
- 3.2.7
- 3.2.6
- 3.2.5
- 3.2.4
- 3.2.3
- 3.2.2
- 3.2.1
- 3.2.0
- 3.0.28
- 3.0.27
- 3.0.26
- 3.0.25
- 3.0.24
- 3.0.23
- 3.0.22

The FreeRADIUS Server
Troubleshooting
Network Errors
Rare Errors
Attribute header overflows the packet

4.0.0 Devel 4.0~alpha1 Devel 3.2.9 3.2.8 3.2.7 3.2.6 3.2.5 3.2.4 3.2.3 3.2.2 3.2.1 3.2.0 3.0.28 3.0.27 3.0.26 3.0.25 3.0.24 3.0.23 3.0.22

CC BY-NC

Attribute Header Overflows the Packet

The client is either completely broken, or the packet is not RADIUS.

FreeRADIUS documentation is sponsored by InkBridge Networks and is licensed as CC BY-NC 4.0.

© 2025 InkBridge Networks
and individual contributors

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