---
title: "Replace jail DevFS rules"
method: PUT
path: "/jail/{ctid}/options/devfs-rules"
tags: ["Jail"]
---

# Replace jail DevFS rules

`PUT /jail/{ctid}/options/devfs-rules`

Replace the jail-specific DevFS rules; an explicit empty string removes the custom rules and restores the default ruleset

## Path parameters

- `ctid` integer, required

## Request body

- InternalHandlersJailModifyDevFSRulesRequest
  - `devFSRules` string, required

## Response `200`

Success

- GithubComAlchemillahqSylveInternalAPIResponseAny
  - `data` unknown
  - `error` string
  - `message` string
  - `status` string

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found
- `409` — Conflict
- `413` — Request Entity Too Large
- `500` — Internal Server Error
- `503` — Service Unavailable

---

[API](https://skmtc.net/alchemillahq/apis/sylve-api.md) · [All operations](https://skmtc.net/alchemillahq/apis/sylve-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/alchemillahq/sylve-api/revisions/9822c41c8ac0/schema)