As Admin In Command prompt, type: netsh firewall set icmpsetting 8 enable Enter
Add a firewall rule to allow ICMP from WAN. Firewall | Rules | Add Action - Pass Interface - WAN Protocol - ICMP ICMP type - Any (or echo reply) Source - Any If your WAN is a private subnet, you will need to disable block private networks on the Interfaces | WAN page
ICMP is the internet control access protocol . ICMP is the plrotocol that should be allowed when not able to ping a remote device residing behind a firewall. ICMP is the protocol of network layer.
allow Ip out for all protcols block Ip in for all protcols block ICMP in/out allow HTTP However trojans can find another ways to enter the system, so you must use a good internet security product with firewall.
inet
There really is no "port" for icmp but there is a icmp code. If you are looking for the icmp code for echo-reply it is 0 and the echo is 8 For an access list you could do the following: permit icmp any any echo-reply permit icmp any any echo Or the same using the icmp code permit icmp any any 0 permit icmp any any 8
There really is no "port" for icmp but there is a icmp code. If you are looking for the icmp code for echo-reply it is 0 and the echo is 8 For an access list you could do the following: permit icmp any any echo-reply permit icmp any any echo Or the same using the icmp code permit icmp any any 0 permit icmp any any 8
Check your local system's firewall for blocking of ICMP (ping) traffic.
ICMP does not have a port like TCP and UDP.
Because ICMP is on the network layer
All ICMP Error Messages
permit icmp any any echo-reply
icmp request is orginated on the OSI network layer with ip protocol.