To protect system assets, prevent unauthorized access, and lower the risk of attack, it often makes sense to limit user connections to a specific IP address or range of addresses. For your ASP.NET application, an IP address block can prevent a disruptive address from access, though a warning and/or account block may be used first. Dynamic allocation of IP addresses by ISPs can complicate incoming IP address blocking, rendering it difficult to block a specific user without blocking many IP addresses (blocks of IP address ranges), thereby creating collateral damage.
IP address blocking is commonly used to protect against Brute Force Attack. For example, a website forum administrator who sees spam or unwanted posts from a user may block that user’s IP address to prevent them from using the discussion board. This will keep productivity high.
IP address blocking prevents the connection between a server or website and certain IP addresses or ranges of addresses. IP address blocking can be used to restrict access to or from a particular geographic area. For example, the syndication of content to a specific region. To achieve this, IP addresses are mapped to the countries they have been assigned to. We provide you option for IP blocking which includes both automatic ( based on user behavior) and manual IP blocking.
It also includes blacklisting and whitelisting of IP addresses. Individuals and enterprises can use blacklists to filter out unwanted e-mails. The whitelist is a list of entities that provide a particular privilege, service, mobility, access, or recognition. This service gives you total control over the access to your website.
Benefits
First Line of Defence
It could act as your first line of defense. Generally, your web host notifies you when someone is making multiple failed login attempts. A number of attempts made within a short span of time are likely to be identified as brute force attack.
Readily Available List of Malicious IP Addresses
There is a list of IPs identified for attempting to undermine website security measures. A simple Google search on ‘what are the blacklisted IPs’ or ‘IPs I should block’ should procure you a list of commonly blocked IP addresses.You can ban these IPs from accessing your website to further strengthen your security.
Block Visitors by Country
Sometimes while investigating malicious login attempts, website owners may trace the activities to IP addresses from a specific place or a country. If your target audience does not belong to this country, you can opt for something called country blocking.
IP Blocking Reduces the Load on Your Website Server
Hackers use automated tools to try and break into your website. When you get your hands on the malicious IPs that the hackers are using to hammer at your login page, you can block these IPs befor loading your site resulting in reduce of load on your site.
Rate Limiting
Used to control the amount of incoming and outgoing traffic to or from a network. Sometimes, bots are used to attack the system. They attempt for a brute force attack. In this case, the attempts made per time period can be limited. This way bots can be controlled to make any further attacks.
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