Tuesday, 11 December 2012

Allow ICMP though Windows 2008 r2 firewall

By default the Windows 2008 r2 firewall blocks PING / ICMP, this command can used to allow ICMP through the windows firewall via an elevated command prompt.

netsh advfirewall firewall add rule name="All ICMP V4" protocol=icmpv4:any,any dir=in action=allow

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