⟩ How would you Enable or Disable the Firewall in Windows XP?
To enable Windows Firewall, follow these steps:
Click Start, click Run, type Firewall.cpl, and then click OK.
On the General tab, click On (recommended).
Click OK.
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To disable Windows Firewall, follow these steps:
Click Start, click Run, type Firewall.cpl, and then click OK.
On the General tab, click Off (not recommended).
Click OK.
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Or
Click Start Menu -> Control Panel -> Go In Security Center -> Click Firwall Recommendations -> Then Choose Either Disable or Enable.