I sometimes receive a login challenge. How can I stop this?

To help protect your organization's data from unauthorized access, you can specify a list of IP addresses from which users can always log in without receiving a login challenge or the need to enter a security token when working with Apex Dataloader, Excel Connector, etc.:

  1. Click Setup > Security Controls > Network Access.
  2. Click New.
  3. Enter a valid IP address in the Start IP Address field and the same or a higher IP address in the End IP Address field.The start and end addresses define the range of allowable IP addresses from which users can log in. If you want to allow logins from a single IP address, enter the same address in both fields. For example, to allow logins from only 125.12.3.0, enter 125.12.3.0 as both the start and end addresses. You can ask your network administrator if you don't know your IP address. You can also visit www.whatismyip.com to see your current IP or simply Google What is My IP Address and it will pull up, however please make sure, you have a fixed IP (ask your adminsitrator or internet provider) before entering this IP into the security settings of your org.

    The start and end IP addresses must include no more than 33,554,432 addresses (225). For example, the following ranges are valid:

    • 0.0.0.0 to 1.255.255.255
    • 132.0.0.1 to 132.0.0.254
    • 132.0.0.0 to 132.255.255.255
    • 132.0.0.0 to 133.255.255.255

    However, ranges like 0.0.0.0 to 2.255.255.255 or 132.0.0.0 to 134.0.0.0 are too large.

  4. Click Save.
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