Hi I think I solved it, I deleted the OU, and in the bindinf I inserted the CN = Users in the DN base
I modified as per your instructions “ldap server require strong auth = no” and I can log in on ubuntu guacamole server with user credentials. Also I entered the same dn bases on pfsense and it works. I keep everything under monitor to check that it is working properly. Your indication was important. Thanks so much !
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