recommendations for practical git config settings for /etc/gitconfig?

  updating some git course material, and i want to add to the config
section at least a small number of example config settings that make
practical sense to add to the system /etc/gitconfig file. that is,
config settings that, even if i don't explain them fully, even novice
git users will appreciate that such settings make sense to apply to
*all* users on a system.

  i imagine that would include any (corporate-mandated) settings
related to networking authentication and protocols,
filesystem-related settings and more, such as:

  * core.protect{HFS,NTFS}
  * whitespace/EOL settings
  * proxy/ssh-related commands
  * http.* settings
  * some sendemail settings

you get the idea. i don't have a ton of experience configuring git in an enterprise setting, so while there are a zillion config settings one *could* add to /etc/gitconfig, i'm interested in what experienced git admins can testify really make sense to set in a corporate environment. does that make sense?

  open to thoughts ...

rday