If you are a toolforge user and your workflow still relies on tools-login.wmflabs.org, there are a few things to be aware of:
1) Until yesterday, tools-login.wmflabs.org pointed to a login host running Debian10(buster), which is no longer a supported operation system. I adjusted it to point to a newer bastion running Debian 12 (bookworm).
2) Some ssh key types (e.g. ssh-rsakeys created with puttygen on Windows, RSA keys signed with SHA-1) are no longer supported by modern operating systems for security reasons. If you are encountering a new login failure with toolforge /and/ you were using the .wmflabs.org login host, you probably need to generate modern keys (ECDSA) and upload them to https://idm.wikimedia.org
3) The software available on the new bastion differs somewhat from that on the old bastion. If you find yourself unable to work on the new hosts, please open a phabricator ticketwith the #toolforge tagor respond to this email with specifics.
4) The surprising nature of this change is due to the fact that WMCS has not used the .wmflabs.org domain for many years; anything under that domain is only working by accident and will probably be broken by us without warning. Please update your workflows and login scripts to use the new, preferred login name: login.toolforge.org.
5) If you urgently need the functions of the old login host, you can reach it as login-buster.toolforge.org. Be warned, though, that that host is not likely to exist for more than a few more weeks.
Sorry for any inconvenience caused!
-Andrew
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