Envoy Rate Limiting: Local Filter vs External Rate Limit Service
Use Envoy's local rate-limit filter for per-instance caps; choose an external Rate Limit Service for shared quotas across replicas.
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Solving Bufferbloat in pfSense with ALTQ Traffic Shaping
Stop bufferbloat and VoIP lag in pfSense using ALTQ traffic shaping. Learn how to configure HFSC queues to prioritize latency-sensitive traffic and cap bulk data.
Secure Guest Wi‑Fi on pfSense: Using Captive Portal with Subnet‑Based Bandwidth Control
Need a guest Wi‑Fi that authenticates users and limits bandwidth? Learn how pfSense’s Captive Portal, combined with traffic shaping, delivers controlled access—plus a step‑by‑step setup guide and key trade‑offs.
Reducing Bufferbloat on Linux Egress with HTB and fq_codel
Learn how to combine a token‑bucket shaper with the fq_codel scheduler to keep latency low for interactive traffic while respecting a fixed egress rate.
HFSC queue fairness after pfSense 2.6 to 2.7 netgraph change with mixed IPv4/IPv6
A design review is needed to characterize traffic shaping behavior before applying optimization to a WAN link that carries mixed IPv4 and IPv6 traffic. The focus is HFSC scheduler interaction with saturated WAN bandwidth and the documented kernel netgraph changes between pfSense 2.6 and 2.7. The relevant constraints are version-dependent queuing behavior and
pfsense