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man smb.conf
/* S в скобках указывает что этот параметр относится к шарам */
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hosts allow (S)
A synonym for this parameter is allow hosts.
This parameter is a comma, space, or tab delimited set of hosts
which are permitted to access a service.
If specified in the [global] section then it will apply to all
services, regardless of whether the individual service has a
different setting.
You can specify the hosts by name or IP number. For example, you
could restrict access to only the hosts on a Class C subnet with
something like allow hosts = 150.203.5.. The full syntax of the
list is described in the man page hosts_access(5). Note that
this man page may not be present on your system, so a brief
description will be given here also.
Note that the localhost address 127.0.0.1 will always be allowed
access unless specifically denied by a hosts deny option.
You can also specify hosts by network/netmask pairs and by net-
group names if your system supports netgroups. The EXCEPT key-
word can also be used to limit a wildcard list. The following
examples may provide some help:
Example 1: allow all IPs in 150.203.*.*; except one
hosts allow = 150.203. EXCEPT 150.203.6.66
Example 2: allow hosts that match the given network/netmask
hosts allow = 150.203.15.0/255.255.255.0
Example 3: allow a couple of hosts
hosts allow = lapland, arvidsjaur
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