I can’t update LE. Is this just my ISP or a general problem?
git pull https://github.com/letsencrypt/letsencrypt
fatal: unable to access ‘https://github.com/letsencrypt/letsencrypt/’: Failed to connect to github.com port 443: Connection timed out
https://status.github.com/ shows no current issues but a dent in the graph earlier, maybe you hit exactly that?