> For the complete documentation index, see [llms.txt](https://quickfire-corp.gitbook.io/ncpf/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://quickfire-corp.gitbook.io/ncpf/guides/getting-started/configuration/checks/blockplace/against.md).

# Against

Config path: `checks.blockplace.against`\
Permission (bypass): `nocheatplus.checks.blockplace.against`\
Exemption: `BLOCKPLACE_AGAINST`

Prevents players from placing blocks against liquid blocks or air as if they were solid.

**Notes**

* Some mods such as IC2 (via Forge) might allow placing blocks such as cables in/against air, so this feature might conflict there.

**Related**

* [Active](/ncpf/guides/getting-started/configuration/checks/general/active.md)
* [Actions](/ncpf/guides/getting-started/configuration/checks/general/actions.md)