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Full Discussion: Fake MicroSoft calls
Special Forums Cybersecurity Fake MicroSoft calls Post 303011426 by RudiC on Thursday 18th of January 2018 07:31:46 AM
Old 01-18-2018
Thank you, hicksd8, for the link. Massive interesting tech info, and a small chapter on what interested me most:
Quote:
Unauthorized access attack
Unauthorized access means that the attacker(s) can access resources on a network that they do not have the authority. . . .
Unfortunately, the countermeasures proposed can't be done locally but have to be left to the provider (which I expect they do).
I'll stick to keeping ports closed and activating the firewall on the router.
 

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SSSD-SIMPLE(5)						   File Formats and Conventions 					    SSSD-SIMPLE(5)

NAME
sssd-simple - the configuration file for SSSD's 'simple' access-control provider DESCRIPTION
This manual page describes the configuration of the simple access-control provider for sssd(8). For a detailed syntax reference, refer to the "FILE FORMAT" section of the sssd.conf(5) manual page. The simple access provider grants or denies access based on an access or deny list of user or group names. The following rules apply: o If all lists are empty, access is granted o If any list is provided, the order of evaluation is allow,deny. This means that any matching deny rule will supersede any matched allow rule. o If either or both "allow" lists are provided, all users are denied unless they appear in the list. o If only "deny" lists are provided, all users are granted access unless they appear in the list. CONFIGURATION OPTIONS
Refer to the section "DOMAIN SECTIONS" of the sssd.conf(5) manual page for details on the configuration of an SSSD domain. simple_allow_users (string) Comma separated list of users who are allowed to log in. simple_deny_users (string) Comma separated list of users who are explicitly denied access. simple_allow_groups (string) Comma separated list of groups that are allowed to log in. This applies only to groups within this SSSD domain. Local groups are not evaluated. simple_deny_groups (string) Comma separated list of groups that are explicitly denied access. This applies only to groups within this SSSD domain. Local groups are not evaluated. Please note that it is an configuration error if both, simple_allow_users and simple_deny_users, are defined. EXAMPLE
The following example assumes that SSSD is correctly configured and example.com is one of the domains in the [sssd] section. This examples shows only the simple access provider-specific options. [domain/example.com] access_provider = simple simple_allow_users = user1, user2 SEE ALSO
sssd.conf(5), sssd(8) AUTHORS
The SSSD upstream - http://fedorahosted.org/sssd SSSD
03/04/2013 SSSD-SIMPLE(5)
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