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Q&A Mac SSH sends some environment variables by default

Why does the default SSH client behavior for MacOS send LANG and LC_* environment variables to the server? If I consult man ssh_config, it says SendEnv […] The default is not to send any enviro...

0 answers  ·  posted 19d ago by Michael‭  ·  edited 19d ago by Michael‭

Question ssh macOS
#2: Post edited by user avatar Michael‭ · 2024-10-18T21:06:48Z (19 days ago)
Tweak title to note that it's not ALL env vars
  • Mac SSH sends environment variables by default
  • Mac SSH sends some environment variables by default
  • Why does the default SSH client behavior for MacOS send `LANG` and `LC_*` environment variables to the server? If I consult `man ssh_config`, it says
  • > ### `SendEnv`
  • >
  • > \[&hellip;] The default is not to send any environment variables.
  • Why would Apple decide to override it? (And why leave the documentation with its original text?)
  • ```
  • Host *
  • SendEnv LANG LC_*
  • ```
  • Why does the default SSH client behavior for MacOS send `LANG` and `LC_*` environment variables to the server? If I consult `man ssh_config`, it says
  • > ### `SendEnv`
  • >
  • > \[&hellip;] The default is not to send any environment variables.
  • Why would Apple decide to override it? (And if so, why leave the documentation with its original text?)
  • This snippet is at the bottom of */etc/ssh/ssh_config*:
  • ```
  • Host *
  • SendEnv LANG LC_*
  • ```
#1: Initial revision by user avatar Michael‭ · 2024-10-18T19:05:50Z (19 days ago)
Mac SSH sends environment variables by default
Why does the default SSH client behavior for MacOS send `LANG` and `LC_*` environment variables to the server? If I consult `man ssh_config`, it says

> ### `SendEnv`
>
> \[&hellip;] The default is not to send any environment variables.

Why would Apple decide to override it? (And why leave the documentation with its original text?)

```
Host *
    SendEnv LANG LC_*
```