System Security Configuration Guide for Cisco NCS 560 Series Routers, IOS XR Release 26.1.x, 26.2.x, 26.3.x

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Updated:: September 11, 2026

Chapter: New and Changed Feature Information

New and Changed Feature Information
System Security Features Added or Modified in IOS XR Release 26.x.x

New and Changed Feature Information

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

System Security Features Added or Modified in IOS XR Release 26.x.x


Feature	Description	Changed in Release	Where Documented
Gated shell access	This feature was introduced.	Release 26.3.1	Gated shell access
SSH client strict host key check	This feature was introduced.	Release 26.3.1	SSH client strict host key checks
uRPF strict mode	This feature was introduced.	Release 26.2.1	uRPF strict mode with external TCAM
SSH key strength: 3072 bits by default	This feature was introduced.	Release 26.1.1	Automatic generation of SSH host-key pairs

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