applications that take into account the relevant environment variables (namely `http_proxy`, `HTTP_PROXY`, `SOCKS_SERVER` and `SOCKS5_SERVER`) are not affected
Custom images built from Git snapshots equal of after bf8cc787ce46e9946ab47d5383feb1174da3f22a (20091006), and before 9c425e8de13e6b4f885 (excluded), are affected.