OpenSSL 4.0 for NGINX: Why We Ship 3.5 LTS Instead
by Danila Vershinin, August 30, 2026
OpenSSL 4.0 for NGINX drops out of support in May 2027. OpenSSL 3.5 LTS runs to April 2030 and already does post-quantum key exchange. Here is the arithmetic behind our choice, and the one 4.0 feature worth having.
Read More...Post-Quantum NGINX: OpenSSL 3.5 on Debian and Ubuntu
by Danila Vershinin, August 29, 2026
Every Debian and Ubuntu suite we publish now links our ABI-isolated OpenSSL 3.5 LTS build, so post-quantum key exchange, Encrypted Client Hello and TLS certificate compression arrive on DEB too. Ubuntu 20.04’s NGINX no longer links end-of-life OpenSSL 1.1.1.
Read More...NGINX Post-Quantum TLS: X25519MLKEM768 with OpenSSL 3.5
by Danila Vershinin,
Our RPM and DEB builds now link OpenSSL 3.5, so hybrid post-quantum key exchange with X25519MLKEM768 works out of the box on every platform we package for — from RHEL 8 to Ubuntu 20.04. Here is how to verify it, and the one common hardening directive that silently turns it off.
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