squid3_ldap_auth(8) on Linux
The text 1545545cd295, as Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it.
Squid LDAP authentication helper
Flags it lists
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-D -
-O -
-P -
-R -
-S -
-U -
-W -
-Z -
-a -
-c -
-d -
-f -
-s -
-t -
-u -
-w