Julien Lepiller transcribed 2.1K bytes: > Le 2019-03-06 15:19, n...@n0.is a écrit : > > Julien Lepiller transcribed 1.6K bytes: > > > Le 2019-03-06 14:42, Ludovic Courtès a écrit : > > > > Hi, > > > > > > > > Julien Lepiller <jul...@lepiller.eu> skribis: > > > > > > > > > I use certificates from let's encrypt for my website and mail servers, > > > > > and found that there was an issue with certificates generated by the > > > > > certbot service in Guix: the generated private keys are world-readable > > > > > (in a directory that cannot be accessed by anyone but root, so it's OK > > > > > I guess). OpenSMTPD is not happy with that though, so I have to chmod > > > > > the files every time. I came up with a variant of the deploy-hook > > > > > that's presented in the manual, and I'd like to update the example > > > > > with it. Here it is: > > > > > > > > > > ;; Find running nginx and reload its configuration (for certificates) > > > > > (define %my-deploy-hook > > > > > (program-file > > > > > "my-deploy-hook" > > > > > #~(let* ((pid (call-with-input-file "/var/run/nginx/pid" read)) > > > > > (cert-dir (getenv "RENEWED_LINEAGE")) > > > > > (privkey (string-append cert-dir "/privkey.pem"))) > > > > > ;; certbot private keys are world-readable by default, and > > > > > smtpd complains > > > > > ;; about that, refusing to start otherwise > > > > > (chmod privkey #o600) > > > > > (kill pid SIGHUP)))) > > > > > > > > > > What do you think? > > > > > > > > It sounds like a serious issue that private keys are world-readable. Is > > > > it a bug on our side or in Certbot? I think we should fix it so that > > > > It's a certbot default, on all all systems. > > Actually, reading https://github.com/certbot/certbot/issues/1473 suggests > it's not the case anymore. I was probably running an older version > of certbot.
Thanks for pointing me to this, I wasn't aware of this > > > > > > they are never world-readable, rather than document how to work around > > > > the bug. > > > > > > > > WDYT? > > > > > > > > Thanks, > > > > Ludo’. > > > > > > I don't think this is an issue: the file is world-readable, but the > > > directory > > > it's in is not accessible to anyone but root. OpenSMTPD still > > > complains, > > > but I think there's no security issue. > > > > > > > >
