ERROR: The certificate of `github.com' is not trusted.

Попытка обновить nginx выдала ошибку:

=> Attempting to fetch https://github.com/agentzh/echo-nginx-module/tarball/v0.36/agentzh-echo-nginx-module-v0.36-0-g13dd12f.tar.gz
--2011-11-18 16:58:23-- https://github.com/agentzh/echo-nginx-module/tarball/v0.36/agentzh-echo-nginx-module-v0.36-0-g13dd12f.tar.gz
Resolving github.com (github.com)... 207.97.227.239
Connecting to github.com (github.com)|207.97.227.239|:443... connected.
ERROR: The certificate of `github.com' is not trusted.
ERROR: The certificate of `github.com' hasn't got a known issuer.

Решение:
cd /usr/ports/distfiles

wget --no-check-certificate https://github.com/agentzh/memc-nginx-module/tarball/v0.12/agentzh-memc-nginx-module-v0.12-0-g4f1952c.tar.gz

wget --no-check-certificate https://github.com/agentzh/echo-nginx-module/tarball/v0.36/agentzh-echo-nginx-module-v0.36-0-g13dd12f.tar.gz