I had assumed that $ENV{"REMOTE_USER"} would consistently reflect who the user was.

You can not assume that this is true. If your application is not extrememly sensitive then the risk factor may be acceptable. However, users can change what is reported by the "REMOTE_USER" environment variable.
Just wanted to make sure you knew that.

In reply to Re: Where did my $ENV{"REMOTE_USER"} go? by Sifmole
in thread Where did my $ENV{"REMOTE_USER"} go? by yudel

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