@Salah Ghalloussi, Many thanks for posting in Q&A. With the Distant tackle environment, it only accepts some distinct structure value. If you'd like to block the inbound or outbound from a person domain, you could enter the IP deal with or selection of the domain you wish to block. นโยบายความเป็นส่วนตัว https://peterl268plh7.oneworldwiki.com/user