■Is the paid optional service (rapid SSL etc.) available?

“Sakura’s SSL Service (use of rapid SSL etc.)” provided by SAKURA Internet Rental Server is not available for use with WEB PARK.
If you would like to use services that WEB PARK does not provide, such as SAKURA’s SSL service, please apply directly to SAKURA Internet Rental Server.
(ITC does not have any responsibility for those paid services and will not be able to provide any assistance even if you apply for the paid services through ITC.)

・SAKURA’s SSL (only available in Japanese)
https://ssl.sakura.ad.jp/

・The functions provided by WEB PARK (only available in Japanese)
https://www.itc.u-tokyo.ac.jp/education/services/webpark/service/page-506/