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DFIREmerging1 sourceJun 5, 2026 · 06:45via Netresec

PolarProxy 2.0.1 Released

Brief

Our TLS inspection proxy PolarProxy has been updated with bug fixes, improved performance and more reliable PCAP output.

The recent PolarProxy 2. 0 release added musl/Alpine compatibility and support for unencrypted HTTP proxy requests. But there were a few small, yet very important, updates that unfortunately didn’t make it into that release. The new PolarProxy 2.

  • 1 release takes care of this.

Bug Fixes

The PolarProxy 2.

  • 1 release fixes three bugs affecting non-TLS traffic: two that could block non-TLS connections under certain conditions, and one that could corrupt packets in output PCAP data.

Improved Performance

Memory overhead has been reduced as part of a major overhaul of PolarProxy’s data-flow logic. PolarProxy now caches less data, reducing CPU and memory use while supporting more simultaneous sessions.

Read more on Netresec