In computing, a denial-of-service attack (DoS attack) is a cyber-attack where the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to the Internet. Denial of service is typically accomplished by flooding the targeted machine or resource with superfluous requests in an attempt to overload systems and prevent some or all legitimate requests from being fulfilled.
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In a distributed denial-of-service attack (DDoS attack), the incoming traffic flooding the victim originates from many different sources. This effectively makes it impossible (or, more difficult) to stop the attack simply by blocking a single source.
A DoS or DDoS attack is analogous to a group of people crowding the entry door or gate to a shop or business, and not letting legitimate parties enter into the shop or business, disrupting normal operations.
Criminal perpetrators of DoS attacks often target sites or services hosted on high-profile web servers such as banks or credit card payment gateways. Revenge, blackmail and activism can motivate these attacks.
If your site is under attack, the team have probably already noticed and will be filtering the traffic to your accounts / sites. However, if you suspect your account is under a DOS attack, please inform us via a support ticket immediately and do the following…
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- Login to cPanel
- Go to ‘Nginx Cluster Control’ section and select ‘CLOUDNS’
- Select the domain you wish to enable the protection for from the dropdown list and click ‘Configure’
- Select ‘Application Settings’
- Enable the ‘xss_filter’ option
- Click ‘Submit’
MAKING THE INTERNET WORK THE WAY IT SHOULD
Cloudflare speeds up and protects millions of websites, APIs, SaaS services, and other properties connected to the Internet. Their Anycast technology enables our benefits to scale with every server we add to our growing footprint of data centers.
To enable Cloudflare, please do the following…
- Login to cPanel
- Go to ‘Software -> Cloudflare’
- Click ‘Enable Cloudflare on this Domain’
Domain aliases make your website available from another domain name. For example, you can make www.example.net and www.example.org show content from www.example.com
(cPanel >> Home >> Domains >> Aliases)
Domain aliases are domains that you own, but which do not contain any content. Instead, they point to the contents of another domain or subdomain on your account. This is useful, for example, to hold a domain that you will later sell, or to redirect traffic to another domain.
Unless your hosting provider enables the Allow Remote Domains option in the Tweak Settings interface (WHM >> Home >> Server Configuration >> Tweak Settings), you must perform the following actions before you attempt to create a domain alias:
- You must register the domain name with a valid registrar.
- You must point the domain to your account’s nameservers.
CREATE A NEW ALIAS
To add a domain alias, enter the domain name in the text box and click Add Domain.
To open the alias domain’s home directory with the File Manager interface (cPanel >> Home >> Files >> File Manager), click the link that corresponds to that alias under the Domain Root column of the Remove Aliases table.
When you create an addon domain, parked domain, subdomain, or main domain, the system will attempt to automatically secure that domain with the best-available existing certificate. If no certificate exists, the system will generate a self-signed certificate to secure the new domain.
If AutoSSL is enabled for the account that owns the new domain, the system will add a request for an AutoSSL certificate to secure the new domain and install it when available.
You can create email accou nts for domain aliases. For more information, read the Alias domain email accounts section below.
ENABLE OR DISABLE DOMAIN ALIAS REDIRECTION
To enable or disable redirection of a domain alias, perform the following steps:
- Click Manage Redirection for the domain alias that you wish to manage.
- To redirect the domain, enter the link to which you wish to redirect the domain alias in the text box.
- Click Save. To disable the redirection, click Disable Redirection.
- We strongly recommend that you create a full account backup before you perform this action.
- This action only removes the domain alias, its
vhost entries, and its DNS entries. The system retains the alias’s directory contents.
To remove an existing domain alias, perform the following steps:
- Click Remove for the alias that you wish to remove.
- Click Yes to confirm that you wish to remove the domain alias. To retain the domain alias, click No.
To search through the list of domain aliases, enter the search criteria in the Search text box and click Go. Results that match your search criteria will populate the table.
DOMAIN ALIAS EMAIL ACCOUNTS
To add new email accounts, use cPanel’s Email Accounts interface (cPanel >> Home >> Email >> Email Accounts), or run the
/scripts/addpop script from the command line.
If you remove the domain alias, its email accounts will no longer appear in the Email Accounts interface (cPanel >> Home >> Email >> Email Accounts). However, the email accounts’ contents still exist in the mail folder of the user’s
- If you add the domain again, to the same account as the primary domain, an addon domain, or an alias, the email accounts reappear in the interface.
- If you change the account’s primary domain name to the un-aliased domain name, the email accounts reappear in the interface.
- You or your hosting provider can perform this action in WHM’s Modify an Account interface (WHM >> Home >> Account Functions >> Modify an Account).
- When you perform this action, the former primary domain name’s mailboxes will not appear in the Email Accounts interface (cPanel >> Home >> Email >> Email Accounts). However, the files will still exist.
- If you move the domain to a different account, you must add the email accounts manually and move the contents of the email accounts manually.
The email accounts must follow the same name and domain formats that they previously followed.