February 5, 2012

Disable or enable ICMP pings on Speedtouch 5xx/6xx

Disabling ICMP on your router adds a layer of security to your network and its computers as disabling this setting will prevent your router from actively responding to outside ICMP Echo requests and thus hiding you from potential attacks.




You will need to open a command prompt or terminal in order to modify this setting on your router.


Mac OS:
Go > Utilities > Terminal


Windows:
Start Menu > Run (Windows + R) > type cmd > OK


At the prompt type the following: 
telnet 192.168.1.254 


You are now prompted to enter your router's Administrator's username and password. By default the username is Administrator and the password is blank. When you see the {Administrator}=> prompt enter either commands to disable or enable ICMP, pressing Enter after each line:


To disable ICMP enter: 
service system modify name=PING_RESPONDER state=disabled
saveall
exit


To enable ICMP enter:
service system modify name=PING_RESPONDER state=enabled
saveall
exit

And that's it, you are done.

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