listens to ipv4 by default.
see https://bugs.launchpad.net/ubuntu/+source/curl/+bug/2018342
This reverts commit 09041fb81d. Revert "fix https://github.com/acmesh-official/acme.sh/issues/4680" This reverts commit 299a157409.
09041fb81d
299a157409
zerossl returns retry-after header within "200 OK" code. so we don't check the "503" code anymore.