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Connectivity Articles

2 articles

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SASE(2)
Cloudflare Zero Trust(2)
Zero Trust(2)
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Security Week
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Cloudflare logoCloudflare
21 min read
DevOps•2026-03-05

Ending the "silent drop": how Dynamic Path MTU Discovery makes the Cloudflare One Client more resilient

This article explains how Cloudflare implemented Dynamic Path MTU Discovery (PMTUD) in the Cloudflare One Client to eliminate silent packet drops caused by MTU mismatches on network paths.

Security Week
Cloudflare Zero Trust
Cloudflare One
Cloudflare One Client
Zero Trust
Connectivity
SASE
Cloudflare logoCloudflare
31 min read
Security•2026-03-05

A QUICker SASE client: re-building Proxy Mode

Cloudflare rebuilt the proxy mode of the Cloudflare One Client by replacing WireGuard and smoltcp with QUIC-based direct L4 proxying to eliminate performance bottlenecks.

SASE
Proxying
Cloudflare Zero Trust
Zero Trust
Cloudflare One
Cloudflare One Client
Connectivity
TCP