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How to configure Windows Firewall, Wired and Wireless Network using command prompt

Using Netsh, you'll be able to display and modify the network configuration, either locally or remotely. It also provides command-line alternative capability to modify and add programs and services into Windows firewall. In addition to that, Netsh can save the configuration script for archival, backup and reference purposes.

Let’s focus on these top features of the command-line utility.

NETWORK CONFIGURATION (Windows 7/Vista/XP)

ipaddresses

How to see and inspect the current tcp/ip settings using Netsh

Netsh interface ipv4 show config

or

C:\Windows\system32>netsh
netsh>interface
netsh interface>ip
netsh interface ipv4>show config

Using Netsh to backup the tcp/ip configuration of your computer

netsh interface dump > c:\backup\lanconfig.dat

or

netsh -c interface dump > c:\backup\networkconfig.txt

The two commands saves the current configuration into a text file

How to Restore your previous network configuration using netsh

cd c:\backup
netsh exec lanconfig.dat

or

netsh -f c:\backup\networkconfig.txt

How to Configure Network Internet Protocol (IP) Addresses using Netsh (look at the arrows of the images above)

Using Static Address

Command Pattern (Syntax)

netsh interface ip set address "Local Area Connection" static ipaddr subnetmask gateway metric

Sample

netsh interface ip set address "Local Area Connection" static 192.168.0.31 255.255.255.0 192.168.0.1 1


Using Dynamic Host Configuration Protocol (DHCP) Server to obtain the IP address automatically

netsh interface ip set address "Local Area Connection" dhcp

Configuring DNS Server using Netsh (Please see the picture above)

netsh interface ip set dns "Local Area Connection" static 192.168.0.1

Dynamically obtain the ip-address

netsh interface ip set dns "Local Area Connection" static dhcp

References

http://support.microsoft.com/kb/257748

http://www.windowsitpro.com/article/resource-kit/cool-things-to-do-with-netsh

http://www.petri.co.il/configure_tcp_ip_from_cmd.htm

WINDOWS FIREWALL CONFIGURATION

firewall

Firewall Services (tested at Windows XP Professional)

Having some problems administering your network application via Windows Firewall, try and study these various commands using Netsh…

FileAndPrint - File and Printer Sharing

remotedesktop - remote desktop and assistance

remoteadmin - remote administration

netsh firewall set service fileandprint enable
netsh firewall set service fileandprint disable

netsh firewall set service remotedesktop enable
netsh firewall set service remotedesktop disable

netsh firewall set service remoteadmin enable
netsh firewall set service remoteadmin disable

How to add a program-based exception to the firewall

netsh firewall add allowedprogram program="C:\Softwares\sky\Skypetron.exe" name="SKY PETRON" mode=enable

netsh firewall add allowedprogram program="C:\Softwares\sky\Skypetron.exe" name="SKY PETRON" mode=disable

How to remove the added program from Windows Firewall listing

netsh firewall delete allowedprogram program="C:\Softwares\sky\Skypetron.exe"

References

http://technet.microsoft.com/en-us/library/cc771046(v=ws.10).aspx#bkmk_addallowedprogram

WIRELESS NETWORK (WIFI) CONFIGURATION

Want to connect to a wireless network via command prompt? here’s how… Read here

More on Wireless LAN samples

C:\Windows\system32>netsh wlan show hostednetwork

Hosted network settings
-----------------------
    Mode                   : Allowed
    Settings               : <Not configured>

Hosted network status
---------------------
    Status                 : Not available


C:\Windows\system32>netsh wlan show hostednetwork setting=security

Hosted network security settings
--------------------------------
    Authentication         : WPA2-Personal
    Cipher                 : CCMP
    User security key      : <Not specified>


C:\Windows\system32>netsh wlan show interfaces

There is 1 interface on the system:

    Name                   : Wireless Network Connection
    Description            : Broadcom 802.11g Network Adapter
    GUID                   : 6301e8b5-4429-4504-92e9-e5a4c95bdd46
    Physical address       : 00:25:56:4a:84:96
    State                  : connected
    SSID                   : SM_Free_WiFi
    BSSID                  : 00:24:82:0a:ca:59
    Network type           : Infrastructure
    Radio type             : 802.11g
    Authentication         : Open
    Cipher                 : None
    Connection mode        : Discovery (unsecured)
    Channel                : 11
    Receive rate (Mbps)    : 54
    Transmit rate (Mbps)   : 54
    Signal                 : 40%

How to show all visible networks using Netsh

C:\Windows\system32>netsh wlan show networks

Interface name : Wireless Network Connection
There are 7 networks currently visible.

SSID 1 : SM_Free_WiFi
    Network type            : Infrastructure
    Authentication          : Open
    Encryption              : None

SSID 2 :
    Network type            : Infrastructure
    Authentication          : Open
    Encryption              : None

SSID 3 :
    Network type            : Infrastructure
    Authentication          : WPA2-Personal
    Encryption              : CCMP

SSID 4 : PLDTMyDSL-TRIBAL BTQ.
    Network type            : Infrastructure
    Authentication          : WPA-Personal
    Encryption              : CCMP

SSID 5 : aswats0n5
    Network type            : Infrastructure
    Authentication          : WPA2-Personal
    Encryption              : TKIP

SSID 6 : Gerrys Grill_WIFI_Access
    Network type            : Infrastructure
    Authentication          : WPA2-Personal
    Encryption              : CCMP

SSID 7 : ballenas wifi
    Network type            : Infrastructure
    Authentication          : WPA2-Personal
    Encryption              : CCMP


C:\Windows\system32>

Showing all wifi-networks (mode=bssid)

C:\Windows\system32>netsh wlan show networks mode=bssid

Interface name : Wireless Network Connection
There are 6 networks currently visible.

SSID 1 : SM_Free_WiFi
    Network type            : Infrastructure
    Authentication          : Open
    Encryption              : None
    BSSID 1                 : 00:24:82:0a:c8:79
         Signal             : 14%
         Radio type         : 802.11g
         Channel            : 11
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 2                 : 00:24:82:0a:ca:59
         Signal             : 40%
         Radio type         : 802.11g
         Channel            : 11
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 3                 : 00:24:82:0a:d2:59
         Signal             : 28%
         Radio type         : 802.11g
         Channel            : 1
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 4                 : 00:24:82:0a:c8:b9
         Signal             : 83%
         Radio type         : 802.11g
         Channel            : 1
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 5                 : 00:24:82:0a:ce:39
         Signal             : 38%
         Radio type         : 802.11g
         Channel            : 1
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 6                 : 00:24:82:0a:c8:f9
         Signal             : 28%
         Radio type         : 802.11g
         Channel            : 1
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 7                 : 00:24:82:0a:c8:e9
         Signal             : 38%
         Radio type         : 802.11g
         Channel            : 6
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 8                 : 00:24:82:0a:c6:d9
         Signal             : 14%
         Radio type         : 802.11g
         Channel            : 6
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54

SSID 2 :
    Network type            : Infrastructure
    Authentication          : Open
    Encryption              : None
    BSSID 1                 : 00:24:82:4a:d2:59
         Signal             : 32%
         Radio type         : 802.11g
         Channel            : 1
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 2                 : 00:24:82:8a:d2:59
         Signal             : 24%
         Radio type         : 802.11g
         Channel            : 1
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 3                 : 00:24:82:4a:c8:b9
         Signal             : 80%
         Radio type         : 802.11g
         Channel            : 1
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 4                 : 00:24:82:8a:c8:b9
         Signal             : 80%
         Radio type         : 802.11g
         Channel            : 1
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 5                 : 00:24:82:4a:ce:39
         Signal             : 50%
         Radio type         : 802.11g
         Channel            : 1
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 6                 : 00:24:82:8a:ce:39
         Signal             : 50%
         Radio type         : 802.11g
         Channel            : 1
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 7                 : 00:24:82:8a:c8:e9
         Signal             : 36%
         Radio type         : 802.11g
         Channel            : 6
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 8                 : 00:24:82:4a:ca:59
         Signal             : 38%
         Radio type         : 802.11g
         Channel            : 11
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 9                 : 00:24:82:8a:ca:59
         Signal             : 36%
         Radio type         : 802.11g
         Channel            : 11
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 10                 : 00:24:82:4a:c8:f9
         Signal             : 34%
         Radio type         : 802.11g
         Channel            : 1
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 11                 : 00:24:82:8a:c6:d9
         Signal             : 14%
         Radio type         : 802.11g
         Channel            : 6
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 12                 : 00:24:82:4a:c8:e9
         Signal             : 38%
         Radio type         : 802.11g
         Channel            : 6
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 13                 : 00:24:82:4a:c6:d9
         Signal             : 14%
         Radio type         : 802.11g
         Channel            : 6
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 14                 : 00:24:82:4a:c8:79
         Signal             : 6%
         Radio type         : 802.11g
         Channel            : 11
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 15                 : 00:24:82:8a:c8:f9
         Signal             : 34%
         Radio type         : 802.11g
         Channel            : 1
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54

SSID 3 :
    Network type            : Infrastructure
    Authentication          : WPA2-Personal
    Encryption              : CCMP
    BSSID 1                 : 00:24:82:4a:ce:38
         Signal             : 22%
         Radio type         : 802.11g
         Channel            : 1
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 2                 : 00:24:82:4a:c8:b8
         Signal             : 81%
         Radio type         : 802.11g
         Channel            : 1
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 3                 : 00:24:82:4a:ca:58
         Signal             : 40%
         Radio type         : 802.11g
         Channel            : 11
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 4                 : 00:24:82:4a:d2:58
         Signal             : 32%
         Radio type         : 802.11g
         Channel            : 1
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 5                 : 00:24:82:4a:c8:e8
         Signal             : 36%
         Radio type         : 802.11g
         Channel            : 6
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 6                 : 00:24:82:4a:c6:d8
         Signal             : 10%
         Radio type         : 802.11g
         Channel            : 6
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54
    BSSID 7                 : 00:24:82:4a:c8:f8
         Signal             : 34%
         Radio type         : 802.11g
         Channel            : 1
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54

SSID 4 : PLDTMyDSL-TRIBAL BTQ.
    Network type            : Infrastructure
    Authentication          : WPA-Personal
    Encryption              : CCMP
    BSSID 1                 : 20:2b:c1:c9:3e:28
         Signal             : 16%
         Radio type         : 802.11n
         Channel            : 9
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54

SSID 5 : aswats0n5
    Network type            : Infrastructure
    Authentication          : WPA2-Personal
    Encryption              : TKIP
    BSSID 1                 : 00:15:70:ca:27:f0
         Signal             : 8%
         Radio type         : 802.11g
         Channel            : 11
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54

SSID 6 : Gerrys Grill_WIFI_Access
    Network type            : Infrastructure
    Authentication          : WPA2-Personal
    Encryption              : CCMP
    BSSID 1                 : 00:23:69:32:ba:8a
         Signal             : 10%
         Radio type         : 802.11g
         Channel            : 6
         Basic rates (Mbps) : 1 2 5.5 11
         Other rates (Mbps) : 6 9 12 18 24 36 48 54

Reference:

http://technet.microsoft.com/en-us/library/cc755301(v=ws.10).aspx

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