Restricting Access Through IP Deny Manager in cPanel

Restricting access through IP Deny Manager in cPanel. Restricting website access through IP Deny Manager in cPanel is a simple but effective method to increase the security level.

Through careful management of blocked IPs, you can reduce the risk of attacks and better control the traffic that reaches your website.

Restricting Access Through IP Deny Manager

What is IP Deny Manager?

IP Deny Manager is a functionality available in cPanel that allows blocking access to your website from certain IP addresses or IP ranges.

It is an efficient tool for protection against unwanted traffic, brute-force attacks, spam, or hacking attempts.

When is IP blocking useful?

• When you detect repeated suspicious access from a particular location.
• To restrict access from users in a specific country or region.
• When you want to limit access for testing or development purposes.

Accessing IP Deny Manager in cPanel

Follow the steps below to access the functionality:

1. Log into your cPanel account.
2. In the Security section, click on IP Blocker or IP Deny Manager, depending on your cPanel version.

Adding an IP address to the block list

In the IP Deny Manager interface:

1. Enter in the dedicated field the IP address or range you want to block. Examples:
   • 192.168.1.100 – a single IP address
   • 192.168.1.0/24 – an entire subnet
   • 192.168.1.1-192.168.1.50 – an IP range
2. Press Add to add the IP to the block list.

Managing blocked IPs

After adding, the IP will appear in a list at the bottom of the page. From this list you can:

• View all restricted IPs.
• Delete an IP from the list if you want to allow it access again.

Precautions when blocking IPs

• Carefully verify the IPs you block, so as not to accidentally restrict access from your own users or collaborators.
• Avoid blocking shared IP addresses, such as those of popular internet service providers.
• It is recommended to note the reasons for each blocked IP, for better organization later.

Blocking IPs in combination with other security measures

IP Deny Manager is only part of the security strategy. For advanced protection, it is recommended to also use:

• Firewalls such as CSF (ConfigServer Security & Firewall)
• Protection against brute-force attacks (e.g.: cPHulk)
• Antivirus and antimalware scanners