Blocking an IP address or domain
Updated on 3 November 2026
You can block particular systems and users from accessing your site by blocking their IP address or domain.
To block an IP address:
- Sign in to cPanel
- Under the Security heading, click IP Blocker.
- Enter the IP address in the IP Address or Domain field.
- Click Add.
Note: you can give the IP addresses to block in the following formats:
- 10.5.3.33 Single IP address
- 10.5.3.3-10.5.3.40 Range
- 10.5.3.5-40 Implied range
- 10.5.3.3/32 CIDR format 10. Implies 10.*.*.*