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Written by Oleksandr Gavenko (AKA gavenkoa), compiled on 2018-02-10 from rev 9e6ad6607a9e.

Network.

Network managers.

Mainstream in Debian:

connman
Intel Connection Manager daemon.
network-manager
Network management framework (daemon and userspace tools).
wicd
Wired and wireless network manager.

Misc:

netctl
Come under systemd umbrella, absent in Debian.
WiFi Radar
Python scripts that lanches another applications.

MAC address vendor list

http://www.gcstech.net/macvendor/index.php
Search to MAC address vendor list.

Ukraine internet provider.

Utel.

User - none, password - none, phone - *99***1# or *99#.

Peoplenet.

User and password you get by sending SMS message to 920 number. Phone #777.

DNS name resolution

DNS to IP address:

$ nslookup example.com

IP to DNS address:

$ nslookup 192.168.1.1

NetBIOS name resolution

nbtstat.exe command comes with Windows and allows NetBIOS name resolution from cache.

NetBIOS to IP address:

$ nbtstat -c
$ nbtstat -a NETBIOSNAME

IP to NetBIOS address:

$ nbtstat -A xxx.xxx.xxx.xxx

List of NetBIOS name:

$ nbtstat -r

List of open ports

List of open ports under Windows:

cmd> netstat        # with DNS name resolution, TCP only
cmd> netstat -n     # without name resolution, TCP only
cmd> netstat -a -n  # TCP and UDP
cmd> netstat -s     # show IP, ICMP, TCP, and UDP statistics.

List of open ports under Linux:

$ sudo netstat -tulp

where -t tcp, -u udp, -l local, -p process.

or to use port number instead of protocol name:

$ sudo netstat -tulpn

Windows predefined ports:

https://support.microsoft.com/en-us/help/832017/service-overview-and-network-port-requirements-for-windows
Service overview and network port requirements for Windows
https://msdn.microsoft.com/en-us/library/cc875824.aspx
Network Ports Used by Key Microsoft Server Products
https://msdn.microsoft.com/en-us/library/cc959833.aspx
Port Assignments for Commonly-Used Services

Which processes open port

Windows:

cmd> netstat -o     # show PID
cmd> netstat -b     # show also cmd name
cmd> netstat -b -v  # show all modules (.exe and .dll) with full path

Linux:

$ sudo netstat -tulpn
$ sudo lsof -i

Network connection troubleshooting

On Linux:

$ ping 8.8.8.8
$ traceroute 8.8.8.8
$ mtr 8.8.8.8

On Windows:

cmd> ping /t 8.8.8.8
cmd> traceroute 8.8.8.8
cmd> pathping 8.8.8.8

Proxy auto-config.