Depending on your product or Contract Plan, you can restrict access by Group using your Current IP address.
Related: Do the Security settings in the Settings Center affect individual products as well?
https://help.series.teachme.jp/hc/en-us/articles/63525978454681
What is the IP Restrictions feature?
This feature restricts access to the Teachme Series from unregistered IP addresses.
If you are not familiar with IP addresses or communication restrictions, please be sure to consult your company's information systems department or equivalent before using this feature.
About the IP Restrictions Feature
This feature allows users to Log into a Group only when accessing the Teachme Series from an authorized Current IP address.
Related: Set / Remove IP Access Restrictions (Web Browser)
https://teachme.jp/8/manuals/51167155
- Administrators and Sub-administrators are excluded from IP Restrictions.
- If you wish to apply Access privileges restrictions to administrators and Sub-administrators as well, a separate application for the "IP Restrictions Extended Feature" is required.
Related: How do I apply IP Restrictions to administrators as well?
https://help.series.teachme.jp/hc/en-us/articles/63062077111193
Types of IP Addresses That Can Be Registered
You can Register IP address in IPv4 format as a Current IP address.
Registration using CIDR notation is also supported.
Local IP addresses and IPv6 format IP addresses cannot be registered.
[Note]
If you enter 0 in the last octet (fourth octet), all consecutive trailing zeros will be converted to * and saved.
■ Conversion examples
198.xxx.xxx.0→198.xxx.xxx.* (trailing 0 is converted to *)
198.xxx.0.0→198.xxx.*.* (consecutive trailing zeros are converted to *)
198.0.xxx.0→198.0.xxx.* (non-consecutive trailing zeros are not converted)
Various Limits for the IP Restrictions Feature
Number of Registered IP Restrictions
- No limit
Maximum Number of Characters in the IP Restrictions Memo
- 30 characters, regardless of full-width or half-width