First, I used the activation of NetBios, which seemed to arrange the trouble. But, in fact, that was not good.
So, I tried to unify Working groups of NAS (D-Link and Synology), iMac and MacBook Pro and then I put IP of my Box as WINS Server. And it seems to be the solution (for me).
D-Link NAS use AFP and Synology SMB protocol.
PS : Forgive my poor ...
Under umbrella term: "spotlight suggestions" some features like weather, flights, internet search results' preloading etc., might need Spotlight to connect to Yahoo. But the following sources suggest that it happens after the data is sent to Apple.
To make suggestions and search results more relevant, some information
is sent to Apple and not ...
Usually in a typical home setup, you'll have "internal" IP-addresses on your home network. Technically known as RFC1918-addresses, they look like this:
10.0.0.0 - 10.255.255.255
172.16.0.0 - 172.31.255.255
192.168.0.0 - 192.168.255.255
These addresses are only used on your local network in your house, or possible also in a smaller part of your provider'...
I ran into the same issue. Some SMB servers use NetBIOS and NetBIOS is disabled by default in MacOS 10.15 (Catalina).
https://medium.com/@gobinathm/how-to-access-smb-printer-shares-in-macos-catalina-10-15-17ea91d2c10b is a blog post that talks about it and lists the following steps to fix it.
By default, Apple has disabled NetBIOS in MacOS 10.5 to speed ...
CONFIGURING EAP-TLS AUTHENTICATION on IOS DEVICES:
I prepared below instructions configuring IOS Clients- both iPads & iPhones- to connect to a MikroTik Router advertising an SSID requiring EAP-TLS authentication.
I've tried to make them as generic as possible. In any event, the process of installing the Certificates into "Profiles" on IOS devices ...
LuLu is the best choice, nowadays.
It's given for free and it doesn't force you to pay for it (but it's worth spending a dollar or two on Patreon, as gratitude).
Has a simple GUI.
Allows to blocks the outgoing connections (for the incoming is better to use Apple firewall or something else)
Allows to choose the apps that should be allowed ...
To set the default transmit queue: (e.g to 150 packets):
sysctl -w net.link.generic.system.sndq_maxlen=150
and default receive queue: (e.g to 260 packets)
sysctl -w net.link.generic.system.rcvq_maxlen=260
To check the system defaults queue sizes for send and receive (current defaults on MacOSX10.4 are 128 (send) and 256 (recv) respectively):