How to modify TTL parameter values

Modifying the TTL parameter value can prevent hackers from getting the correct information through the network, thereby improving the security of the system.

Step 1: Open the Registry Editor window, and in the left pane, expand the hkey_local machinesystemcurrentcontrolsetservicestcpipparameters option.

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Step 2: In the Drop-down list box on the right side of the window, select the DefaultTTL option, right-click, and select Modify Options from the shortcut menu that pops up.

Step 3: Eject the corresponding dialog box and enter 255 in the Value data text box.

Step 4: Click the OK button to modify the TTL parameter value.