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RUCKUS FastIron Security Configuration Guide, 10.0.20

Provides step-by-step instructions to help you understand and configure security technology features for the current release of FastIron OS. Organized by technology, for example, Policy-Based Routing (PBR), and Flexible Authentication.

1 Vistance Legal Statements
Preface Ruckus
- 3 Contact Information, Resources, and Conventions
  - 3.1 Contacting RUCKUS Customer Services and Support
  - 3.2 Document Feedback
  - 3.3 RUCKUS Product Documentation Resources
  - 3.4 Online Training Resources
  - 3.5 Document Conventions
  - 3.6 Command Syntax Conventions
About This Document
- 4 About This Document
  - 4.1 New in This Document
  - 4.2 Supported Hardware
- 5 Managing User Accounts
  - 5.1 User Accounts Overview
  - 5.2 Configuring Local User Accounts
  - 5.3 Enabling SSH Access
  - 5.4 Password and Device Recovery
6 TACACS+ Server Authentication
- 6.1 TACACS+ Security
  - 6.1.1 How TACACS+ Differs from TACACS
- 6.2 TACACS+ Authentication, Authorization, and Accounting
  - 6.2.1 TACACS+ Authentication
  - 6.2.2 TACACS+ Authorization
  - 6.2.3 TACACS+ Accounting
  - 6.2.4 AAA Operations for TACACS+
    - 6.2.4.1 AAA Security for Commands Pasted into the running-config
- 6.3 TACACS+ Configuration
  - 6.3.1 TACACS+ Configuration Considerations
  - 6.3.2 Identifying the TACACS+ Servers
  - 6.3.3 Configuring Authentication-method Lists for TACACS+
  - 6.3.4 Entering Privileged EXEC Mode after a Telnet or SSH Login
  - 6.3.5 Specifying Different Servers for Individual AAA Functions
  - 6.3.6 Setting Optional TACACS+ Parameters
    - 6.3.6.1 Setting the TACACS+ Key
    - 6.3.6.2 Setting the Retransmission Limit
    - 6.3.6.3 Setting the Timeout Parameter
  - 6.3.7 Configuring TACACS+ Authorization
    - 6.3.7.1 Configuring Exec Authorization
    - 6.3.7.2 Configuring Command Authorization
  - 6.3.8 TACACS+ Accounting Configuration
    - 6.3.8.1 Configuring TACACS+ Accounting for Telnet/SSH (Shell) Access
    - 6.3.8.2 Configuring TACACS+ Accounting for CLI Commands
    - 6.3.8.3 Configuring TACACS+ Accounting for System Events
  - 6.3.9 Configuring an Interface as the Source for All TACACS+ Packets
  - 6.3.10 Configuring TACACS+ for Devices in a Traditional Stack
  - 6.3.11 TACACS+ Configuration Example
- 6.4 Displaying TACACS+ Statistics and Configuration Information
RADIUS Authentication
- 7 RADIUS Authentication
  - 7.1 RADIUS Security
    - 7.1.1 RADIUS Authentication
    - 7.1.2 RADIUS Authorization
    - 7.1.3 RADIUS Accounting
    - 7.1.4 AAA Operations for RADIUS
    - 7.1.5 AAA Security for Commands Pasted into the running-config
  - 7.2 RADIUS Configuration Considerations
  - 7.3 Configuring RADIUS (Overview)
  - 7.4 Configuring Company-Specific Attributes on the RADIUS Server
  - 7.5 Identifying the RADIUS Server to the Ruckus Device
  - 7.6 Configuring an SSL Profile for Use with RADIUS Server Hosts
  - 7.7 Specifying Different Servers for Individual AAA Functions
  - 7.8 Specifying RADIUS Server Priority
  - 7.9 RADIUS Security Configuration Example
  - 7.10 Mapping RADIUS Servers to Ports
  - 7.11 RADIUS Configuration Example
  - 7.12 Setting Up RADIUS over IPv6
  - 7.13 Setting RADIUS Parameters
  - 7.14 Configuring Detection of Dead RADIUS Servers
  - 7.15 Source Address Configuration for RADIUS Packets
  - 7.16 Configuring Authentication-method Lists for RADIUS
    - 7.16.1 Authentication-Method Values
    - 7.16.2 Entering Privileged EXEC Mode after a Telnet or SSH Login
  - 7.17 RADIUS Authorization
    - 7.17.1 Configuring Exec Authorization
    - 7.17.2 Configuring Command Authorization
    - 7.17.3 Enabling RADIUS CoA and Disconnect Message Handling for Dynamic Authorization
      - 7.17.3.1 RADIUS Disconnect Message and CoA Events
      - 7.17.3.2 Supported IETF Attributes in RFC 5176
  - 7.18 RADIUS Accounting
    - 7.18.1 Configuring RADIUS Accounting for Telnet/SSH (Shell) Access
    - 7.18.2 Configuring RADIUS Accounting for CLI Commands
    - 7.18.3 Configuring RADIUS Accounting for System Events
    - 7.18.4 RADIUS Accounting for 802.1X Authentication and MAC Authentication
      - 7.18.4.1 Enabling RADIUS Accounting for 802.1X Authentication and MAC Authentication
  - 7.19 Configuring the status-server on/off
  - 7.20 Displaying RADIUS Configuration Information
- 8 Authentication-Method Lists
  - 8.1 Authentication-Method List Overview
    - 8.1.1 Configuration Considerations for Authentication-method Lists
    - 8.1.2 Examples of Authentication-method Lists
- 9 ICX Digital Certificates
  - 9.1 Overview of ICX Digital Certificates
- 10 Importing Digital Certificates and RSA Private Key Files
- 11 Displaying Information about ICX Digital Certificates
- 12 TLS Support
Secure Shell (SSH)
- 13 Secure Shell (SSH)
  - 13.1 SSH Version 2 Overview
    - 13.1.1 Tested SSHv2 Clients
    - 13.1.2 SSHv2 Supported Features
    - 13.1.3 SSHv2 Unsupported Features
    - 13.1.4 SSHv2 Authentication Types
  - 13.2 Configuring SSHv2
    - 13.2.1 Enabling and Disabling SSH by Generating and Deleting Host Keys
      - 13.2.1.1 Generating an ECDSA or RSA Key Pair
      - 13.2.1.2 Deleting ECDSA and RSA Key Pairs
      - 13.2.1.3 Providing the Public Key to Clients
    - 13.2.2 Configuring RSA Challenge-Response Authentication
      - 13.2.2.1 Importing Authorized Public Keys into the ICX Device
      - 13.2.2.2 Enabling RSA Challenge-Response and Password Authentication
    - 13.2.3 Deleting the Public Keys
  - 13.3 Optional Parameters Overview
    - 13.3.1 SSH Rekey Configuration Notes
    - 13.3.2 Setting Optional Parameters
  - 13.4 Terminating an Active SSH Connection
  - 13.5 SSHv2 Client
    - 13.5.1 Enabling the SSHv2 Client
    - 13.5.2 Configuring SSHv2 Client Public Key Authentication
      - 13.5.2.1 Generating and Deleting a Client RSA Key Pair
      - 13.5.2.2 Exporting Client Public Keys
    - 13.5.3 Establishing an SSHv2 Client Connection
  - 13.6 Enabling SSH Access
  - 13.7 Displaying SSH Information
- 14 BSI C5 Cloud Mode
  - 14.1 Overview of BSI C5 Cloud Mode
  - 14.2 BSI Cloud Mode Limitations
  - 14.3 Configuring BSI Cloud Mode and Optional Parameters
SCP client support
- 15 SCP Client Support
  - 15.1 SCP Client
  - 15.2 SCP Client Support Limitations
  - 15.3 Supported SCP Client Configurations
  - 15.4 Downloading an Image from an SCP Server
  - 15.5 Uploading an Image to an SCP Server
  - 15.6 Uploading Configuration Files to an SCP Server
  - 15.7 Downloading Configuration Files from an SCP Server
  - 15.9 Secure Copy with SSH2
    - 15.9.1 Enabling and Disabling SCP
    - 15.9.2 Secure Copy Configuration Notes
16 ACLs
- 16.1 Layer 3 ACL Overview
  - 16.1.1 ACL Scaling
  - 16.1.2 Default ACL Action
  - 16.1.3 How Hardware-based ACLs Work
  - 16.1.4 How Fragmented Packets Are Processed
- 16.2 IPv4 ACLs
  - 16.2.1 IPv4 ACL Configuration Guidelines
  - 16.2.2 Creating and Applying a Standard IPv4 ACL
  - 16.2.3 IPv4 Extended ACL Traffic Filtering Criteria
  - 16.2.4 Creating and Applying an Extended IPv4 ACL
  - 16.2.5 Applying Egress ACLs to Control (CPU) Traffic
  - 16.2.7 Enabling Strict Control of ACL Filtering of Fragmented Packets
  - 16.2.8 Filtering on IP Precedence and ToS Values
  - 16.2.9 ACLs to Filter ARP Packets
    - 16.2.9.1 Configuration Considerations for Filtering ARP Packets
    - 16.2.9.2 Configuring ACLs for ARP Filtering
    - 16.2.9.3 Displaying ACL Filters for ARP
    - 16.2.9.4 Clearing the Filter Count
  - 16.2.10 QoS Options for IP ACLs
    - 16.2.10.1 Configuration Notes for QoS Options
    - 16.2.10.2 Using a Combined ACL for 802.1p Marking
    - 16.2.10.3 Configuring QoS Priority for a VLAN
    - 16.2.10.4 DSCP Matching
  - 16.2.11 ACL-based Rate Limiting
  - 16.2.12 ACLs to Control Multicast Features
  - 16.2.13 Displaying IPv4 ACL Information
- 16.3 IPv6 ACLs
  - 16.3.1 IPv6 ACL Traffic Filtering Criteria
  - 16.3.2 IPv6 Protocol Names and Numbers
  - 16.3.3 Default and Implicit IPv6 ACL Action
  - 16.3.4 IPv6 ACL Configuration Notes
  - 16.3.5 Creating and Applying an IPv6 ACL
  - 16.3.6 Neighbor Discovery (ND)-Packet DoS Attacks
  - 16.3.7 Displaying IPv6 ACLs
- 16.4 Applying ACLs on Multiple Interfaces Simultaneously
- 16.5 Applying an ACL to a LAG Interface
- 16.6 Applying ACLs to VLANs
- 16.7 ACL Logging
  - 16.7.1 Configuration Notes for ACL Logging
  - 16.7.2 Enabling ACL Logging
- 16.8 ACL Statistics
- 16.9 ACL Accounting
  - 16.9.1 Changing the Accounting Period
  - 16.9.2 Configuring ACL Accounting
- 16.10 Adding a Comment for an Entry in an ACL
  - 16.10.1 Deleting a Comment from an ACL Entry
  - 16.10.2 Viewing Comments in an ACL
- 16.11 Sequence-based ACL Editing
  - 16.11.1 Inserting Rules into ACLs
  - 16.11.2 Deleting Rules from ACLs
- 16.12 Displaying TCAM Information for ACLs
17 MAC ACLs
- 17.1 Layer 2 ACL Overview
- 17.2 Layer 2 ACL Scale Limits
- 17.3 MAC ACL Default Action
- 17.4 MAC ACL Configuration Notes and Limitations
- 17.5 Configuring and Applying MAC ACLs
- 17.6 Displaying MAC ACL Information
SS_Policy-Based Routing
- 18 Policy-Based Routing
MACsec Key-Based Security
- 19 Media Access Control Security
  - 19.1 MACsec Overview
  - 19.2 How MACsec Works
    - 19.2.1 MACsec Frame Format
  - 19.3 Configuring MACsec
  - 19.4 Enabling MACsec and Configuring Group Parameters
    - 19.4.1 Configuring MACsec Key-Server Priority
    - 19.4.2 Configuring MACsec Integrity and Encryption
    - 19.4.3 Configuring MACsec Frame Validation
    - 19.4.4 Configuring Replay Protection
    - 19.4.5 Configuring Data-Delay Protection
  - 19.5 Enabling and Configuring Group Interfaces for MACsec
    - 19.5.1 Configuring the Pre-shared Key
  - 19.6 Sample MACsec Configuration
  - 19.7 Displaying MACsec Information
Port MAC Security
- 20 Port MAC Security (PMS)
21 Flexible Authentication
- 21.1 Flexible Authentication Overview
  - 21.1.1 MAC VLANs
  - 21.1.2 Data VLAN Requirements for Flexible Authentication
  - 21.1.3 Voice VLAN Requirements for Flexible Authentication
  - 21.1.4 Authentication Modes
  - 21.1.5 Tagged VM Client Support
  - 21.1.6 Static Authentication with MAC Authentication Filters
  - 21.1.7 Authentication Actions
    - 21.1.7.1 Authentication Timeout Action
  - 21.1.8 Authentication Session Limits on an Interface
  - 21.1.10 How Flexible Authentication Works
  - 21.1.11 Configuration Considerations and Guidelines for Flexible Authentication
- 21.2 802.1X Authentication
  - 21.2.1 Device Roles in an 802.1X Configuration
  - 21.2.2 Communication Between the Devices
  - 21.2.3 Controlled and Uncontrolled Ports
  - 21.2.4 Port Control for Authentication
  - 21.2.5 Message Exchange During Authentication
    - 21.2.5.1 EAP Pass-Through Support
- 21.3 MAC Authentication
  - 21.3.1 MAC Address Formats Sent to the RADIUS Server
  - 21.3.2 Authenticating Multiple Hosts Connected to the Same Port
  - 21.3.3 How Flexible Authentication Works for Multiple Clients
  - 21.3.4 Flexible Authentication Accounting
  - 21.3.5 Change of Authorization
  - 21.3.6 Multiple RADIUS Servers
  - 21.3.8 Session Aging
  - 21.3.9 Keepalive for MAC Authentication Clients
  - 21.3.10 Periodic Reauthentication of Authenticated Clients
  - 21.3.11 Denial of Service Protection Support
  - 21.3.12 SNMP Traps for Flexible Authentication
  - 21.3.13 Syslog Messages for Flexible Authentication
- 21.4 RADIUS Attributes for Authentication and Accounting
- 21.5 Configuring ICX Vendor-Specific Attributes on the RADIUS Server
- 21.6 Support for the RADIUS User-Name Attribute in Access-Accept Messages
- 21.7 Configuring the Host Location
- 21.8 Dynamic VLAN Assignment
- 21.9 Dynamic ACLs in Authentication
  - 21.9.1 Dynamically Applying Existing ACLs in Flexible Authentication
    - 21.9.1.1 Configuration Guidelines for Dynamic ACLs Configured on an ICX Device
- 21.10 Support for IP Source Guard Protection
- 21.11 Configuring Flexible Authentication
  - 21.11.1 Flexible Authentication Configuration Prerequisites
  - 21.11.2 Configuring Flexible Authentication Globally
  - 21.11.3 Configuring Flexible Authentication on an Interface
  - 21.11.4 Enabling 802.1X Authentication
  - 21.11.5 Enabling MAC Authentication
  - 21.11.6 Excluding the RADIUS Server for Login Features
- 21.12 Displaying Authentication Information
  - 21.12.1 Displaying Configuration
  - 21.12.2 Displaying Statistics
  - 21.12.3 Displaying the Authentication Sessions
  - 21.12.4 Displaying Information About User ACLs
  - 21.12.5 Displaying Dynamically Assigned VLAN Information
- 21.13 Clearing Authentication Details
22 IPsec
- 22.1 IPsec Overview
  - 22.1.1 Acronyms
  - 22.1.2 Establishment of an IPsec Tunnel
  - 22.1.3 Configuration of an IPsec Tunnel
  - 22.1.4 Configuration of Traffic to Route over an IPsec Tunnel
  - 22.1.5 Supported Algorithms
  - 22.1.6 Support for PSK for IKEv2 SAs
  - 22.1.7 Unicast IPv4 over IPsec Tunnels
  - 22.1.8 IPv6 over IPsec Tunnels
  - 22.1.9 IPsec Scalability Limits
  - 22.1.10 Supported Features and Functionality
  - 22.1.11 Unsupported Features
  - 22.1.12 Limitations
  - 22.1.13 IKEv2 Traps
  - 22.1.14 IPsec Traps
  - 22.1.15 IPSec over NAT
  - 22.1.16 Downgrade Considerations
- 22.2 Configuring Global Parameters for IKEv2
- 22.3 Configuring an IKEv2 Proposal
- 22.4 Configuring an IKEv2 Policy
- 22.5 Configuring an IKEv2 Authentication Proposal
- 22.6 Configuring an IKEv2 Profile
- 22.7 Configuring an IPsec Proposal
- 22.8 Configuring an IPsec Profile
- 22.9 Activating an IPsec Profile on a VTI
- 22.10 Routing Traffic over IPsec Using Static Routing
- 22.11 Routing Traffic over an IPsec Tunnel Using PBR
- 22.12 Re-establishing SAs
- 22.13 Enabling IKEv2 Extended Logging
- 22.14 Disabling Traps and Syslog Messages for IKEv2 and IPsec
- 22.15 Displaying IPsec Module Information
- 22.16 Displaying IKEv2 Configuration Information
- 22.17 Displaying IPsec Configuration Information
- 22.18 Displaying and Clearing Statistics for IKEv2 and IPsec
- 22.19 Configuration Example for an IPsec Tunnel Using Default Settings (Site-to-Site VPN)
- 22.20 Configuration Example for a Hub-to-Spoke VPN Using IPsec
- 22.21 Configuration Example for an IPsec Tunnel in an IPsec Tunnel
- 22.22 PKI Support for IPsec
  - 22.22.1 Certificates
  - 22.22.2 Certificate Authority
  - 22.22.3 Certificate Revocation List
  - 22.22.4 CRL Distribution Point
  - 22.22.5 Distinguished Name
  - 22.22.6 Entity
  - 22.22.7 Lightweight Directory Access Protocol
  - 22.22.8 PKI Repository
  - 22.22.9 Registration Authority
  - 22.22.10 Requester
  - 22.22.11 Certificate Enrollment Using SCEP
    - 22.22.11.1 Types of Enrollment
    - 22.22.11.2 Requirements for Requesting a Certificate
    - 22.22.11.3 Communications Between Requesters and the CA
  - 22.22.12 Configuring PKI
    - 22.22.12.1 Configuring an Entity Distinguished Name
    - 22.22.12.2 Creating a Trustpoint
    - 22.22.12.3 Configuring CA Authentication
    - 22.22.12.4 Generating a Certificate Request
    - 22.22.12.5 Extended Key Usage
    - 22.22.12.6 Creating a PKI Enrollment Profile
    - 22.22.12.7 Installing Identity Certificates
    - 22.22.12.8 Clearing the Certificate Revocation List (CRL) and PKI Counters
    - 22.22.12.9 Enabling PKI Logging
  - 22.22.13 PKI Syslog Notification of Certificates Nearing Expiration
  - 22.22.14 Displaying PKI Information
HTTP and HTTPS Authentication
- 23 HTTP and HTTPS
  - 23.1 Web Authentication Overview
  - 23.2 Captive Portal Authentication (External Web Authentication)
    - 23.2.1 Captive Portal Profile for External Web Authentication
    - 23.2.2 Captive Portal on a VLAN
    - 23.2.3 Dynamic IP ACLs in Web Authentication
    - 23.2.4 Configuration Considerations for Applying IP ACLs
    - 23.2.5 Dynamically Applying Existing ACLs (HTTP and HTTPS)
    - 23.2.6 RADIUS Attribute for Session Timeout
  - 23.3 Web Authentication Configuration Considerations
  - 23.4 Configuring Web Authentication
  - 23.5 Prerequisites for Captive Portal Support with RUCKUS Cloudpath
  - 23.6 Prerequisites for Configuring Captive Portal with Aruba ClearPass
  - 23.7 Prerequisites for Configuring External Web Authentication with Cisco ISE
  - 23.8 Prerequisite Configurations on an ICX Switch for Captive Portal Authentication
  - 23.9 Creating the Captive Portal Profile for External Web Authentication
  - 23.10 Configuring Captive Portal (External Web Authentication)
  - 23.11 Web Authentication Mode Configuration
    - 23.11.1 Using Local User Databases
      - 23.11.1.1 Configuring a Local User Database
    - 23.11.2 Passcodes for User Authentication
      - 23.11.2.1 Configuring Passcode Authentication
    - 23.11.3 Automatic Authentication
      - 23.11.3.1 Configuring Automatic Authentication
  - 23.12 Web Authentication Options
    - 23.12.1 Configuring Web Authentication Options
    - 23.12.2 Web Authentication Pages
      - 23.12.2.1 Customizing Web Authentication Pages
  - 23.13 Displaying Web Authentication Information
  - 23.14 Image Download over HTTPS
  - 23.15 Configuration Download over HTTPS
  - 23.16 Configuration Upload over HTTPS
Denial of Service Protection
- 24 Protecting against Denial of Service Attacks
  - 24.1 Denial of Service Protection Overview
  - 24.2 Protecting against Smurf Attacks
    - 24.2.1 Avoiding Being an Intermediary in a Smurf Attack
    - 24.2.2 Avoiding Being a Victim in a Smurf Attack
      - 24.2.2.1 Configuring Threshold Values for ICMP Packets Globally
      - 24.2.2.2 Configuring ICMP Threshold Values on an Interface
  - 24.3 Protecting against TCP SYN Attacks
    - 24.3.1 Configuring Threshold Values for TCP SYN Packets Globally
    - 24.3.2 Configuring TCP SYN Threshold Values on an Interface
    - 24.3.3 TCP MSS Adjustment Overview
    - 24.3.4 Example of TCP MSS Adjustment
    - 24.3.5 Impact on Existing Functionality
    - 24.3.6 TCP MSS Adjustment Limitations
  - 24.4 Defense against TCP Denial of Service Attacks on ICX 8100 and ICX 8200 Devices
  - 24.5 Defense against ICMP Denial of Service Attacks on ICX 8100 and ICX 8200 Devices
  - 24.6 Displaying Statistics from a DoS Attack
  - 24.7 Clear DoS Attack Statistics
  - 24.8 Distributed Denial of Service Protection Overview
  - 24.9 Protection Against a Gratuitous ARP Attack
  - 24.10 Dropping Suspicious ARP Packets
  - 24.11 Displaying Statistics from a DDoS Gratuitous ARP Attack
  - 24.12 Protection Against UDP Flooding
  - 24.13 Configuring UDP Rate Limit
  - 24.14 Displaying Statistics from a UDP Rate Limit
  - 24.15 Displaying DDoS Security Configuration Details
  - 24.16 Clear DDoS Attack Statistics
25 IPv6 RA Guard
- 25.1 Securing IPv6 Address Configuration
- 25.2 IPv6 RA Guard Overview
  - 25.2.1 RA Guard Policy
  - 25.2.2 Whitelist
  - 25.2.3 Prefix List
  - 25.2.4 Maximum Preference
  - 25.2.5 Trusted, Untrusted, and Host Ports
- 25.3 Configuration Notes and Feature Limitations for IPv6 RA Guard
- 25.4 Configuring IPv6 RA Guard
- 25.5 Example of Configuring IPv6 RA Guard
  - 25.5.1 Example: Configuring IPv6 RA Guard on a Device
  - 25.5.2 Example: Configuring IPv6 RA Guard in a Network
  - 25.5.3 Example: Verifying the RA Guard Configuration
26 Joint Interoperability Test Command
- 26.1 JITC Overview
OpenSSL Acknowledgements
- 27 OpenSSL License
  - 27.1 OpenSSL License
28 Keychain Module
- 28.1 Keychain Module Overview
  - 28.1.1 Components of a Keychain
- 28.2 OSPF Keychain Authentication
  - 28.2.1 Configuring a Keychain Module
- 28.3 TCP Keychain Options
  - 28.3.1 Configuring TCP Keychain Options
- 28.4 MKA Keychain Overview and Considerations
  - 28.4.1 Creating and Configuring an MKA Keychain

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