I will give it a try. The following URL is where I got my information
regarding Md5 $1$:
On Wed, 12 Aug 1998, Dale E. Reed Jr. wrote:
> Greg Johnson Perry-Spencer wrote:
> > The FreeBSD passwd file is MD5, this is why I find it strange that the two
> > encrypted strings don't match. Is my assumption correct that all MD5
> > encryption strings start with $1$? If so, when I run radius in debug mode
> > and it displays the encrypted passwd it generates to match against the
> > password in the Unix password file, why does it not start with $1$?
> No. MD5 uses the first two characters as the salt for the encryption.
> I'm not sure what the $1$ is. I wander if its a BSDism. Try removing
> it from the password for one user and see if the auth works.
> Dale E. Reed Jr. (email@example.com)
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