New and Changed Feature Information

This table summarizes the new and changed feature information for the System Security Configuration Guide for Cisco NCS 5500 Series Routers, and tells you where they are documented.

System Security Features Added or Modified in IOS XR Release 7.3.x

Feature Description Changed in Release Where Documented

Ed25519 Public-Key Signature System Support

This feature was introduced.

Release 7.3.1

Support for Ed25519 Public-Key Signature System

Ed25519 Public-Key Algorithm Support for SSH

This feature was introduced.

Release 7.3.1

Ed25519 Public-Key Signature Algorithm Support for SSH

User Configurable Maximum Authentication Attempts for SSH

This feature was introduced.

Release 7.3.1

User Configurable Maximum Authentication Attempts for SSH

X.509v3 Certificate-based Authentication for SSH

This feature was introduced.

Release 7.3.1

X.509v3 Certificate-based Authentication for SSH

Collect Filesystem Inventory

This feature was introduced.

Release 7.3.1

Collect Data Dossier

Verify Authenticity of RPM Packages Using Fingerprint

This feature was introduced.

Release 7.3.1

Verify Authenticity of RPM Packages Using Fingerprint

IMA Optimization

This feature was introduced.

Release 7.3.1

Collect Data Dossier

Password Masking

This feature was introduced.

Release 7.3.1

Password Masking