Not sure if this is the right place but..
culex@ubuntu:~/owrt1907$ git pull
fatal: unable to access 'https://git.openwrt.org/openwrt/openwrt.git/': Failed to connect to git.openwrt.org port 443: Connection refused
culex@ubuntu:~$ git clone https://git.openwrt.org/openwrt/openwrt.git
Cloning into 'openwrt'...
fatal: unable to access 'https://git.openwrt.org/openwrt/openwrt.git/': Failed to connect to git.openwrt.org port 443: Connection refused
culex@ubuntu:~$ git clone git://git.openwrt.org/openwrt/openwrt.git
Cloning into 'openwrt'...
remote: Enumerating objects: 585495, done.
remote: Counting objects: 100% (585495/585495), done.
remote: Compressing objects: 100% (159142/159142), done.
remote: Total 585495 (delta 409241), reused 576124 (delta 402245), pack-reused 0
Receiving objects: 100% (585495/585495), 170.98 MiB | 4.45 MiB/s, done.
Resolving deltas: 100% (409241/409241), done.
culex@ubuntu:~$ cd openwrt/
culex@ubuntu:~/openwrt$ scripts/feeds update -a
Updating feed 'packages' from 'https://git.openwrt.org/feed/packages.git' ...
Cloning into './feeds/packages'...
fatal: unable to access 'https://git.openwrt.org/feed/packages.git/': Failed to connect to git.openwrt.org port 443: Connection refused
failed.
Updating feed 'luci' from 'https://git.openwrt.org/project/luci.git' ...
Cloning into './feeds/luci'...
fatal: unable to access 'https://git.openwrt.org/project/luci.git/': Failed to connect to git.openwrt.org port 443: Connection refused
failed.
Updating feed 'routing' from 'https://git.openwrt.org/feed/routing.git' ...
Cloning into './feeds/routing'...
fatal: unable to access 'https://git.openwrt.org/feed/routing.git/': Failed to connect to git.openwrt.org port 443: Connection refused
failed.
Updating feed 'telephony' from 'https://git.openwrt.org/feed/telephony.git' ...
Cloning into './feeds/telephony'...
fatal: unable to access 'https://git.openwrt.org/feed/telephony.git/': Failed to connect to git.openwrt.org port 443: Connection refused
failed.
had to edit feeds.conf.default and replace https:// with git://