NLB features

This document details the core features and configurations available within the STACKIT Network Load Balancer (NLB).

Feature overview & availability

The following table outlines the specific transport layer conditions and core features available within the STACKIT Network Load Balancer (NLB):

Feature	API	SDK	Terraform	Portal
Advanced active health checks (HTTP)	Available	Available	WIP	Available
Basic active health checks (TCP/UDP)	Available	Available	Available	Available
Create/delete NLB	Available	Available	Available	Available
Ephemeral IP	Available	Available	Available	Available
Idle timeout configuration	Available	Available	Available	WIP
L4 load balancing (TCP/UDP)	Available	Available	Available	Available
Logs (Loki)	Available	Available	Available	WIP
Manual target security groups	Available	Available	Available	Available
Metrics (Prometheus)	Available	Available	Available	WIP
Plan changes	Available	Available	Available	Available
Private network only deployment	Available	Available	Available	Available
Resource labels	Available	Available	WIP	WIP
Session persistence (source IP)	Available	Available	Available	Available
Source IP access control (ACL)	Available	Available	Available	Available
TCP proxy support	Available	Available	Available	Available
TLS passthrough	Available	Available	Available	Available
Update full NLB	Available	Available	WIP	WIP
Update target pools only	Available	Available	Available	Available