basic_ldap_auth(8) on Linux
The text de48427dde1f, as Debian 10 (Buster) shipped it.
LDAP authentication helper for Squid
Flags it lists
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-D -
-H -
-O -
-P -
-R -
-S -
-U -
-W -
-Z -
-a -
-b -
-c -
-d -
-f -
-h -
-p -
-s -
-t -
-u -
-v -
-w