Create a Cloudflare lockdown rule from a Slack reaction
Turn an explicit approval reaction into a focused access restriction without losing the original request.
Trigger
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Action
Create Zone Lockdown Rule
Tool to create a Zone Lockdown rule. Use when you need to restrict access to specific URL patterns to defined IPs/CIDR ranges. Use after confirming zone_id.
Why this helps
Security changes stall when approval is separated from the implementation step.
- Use a visible approval signal
- Preserve request context
- Apply URL and IP restrictions consistently
Setup
Build it in a few focused steps.
- 1Connect Slackbot and Cloudflare api key once in Notis.
- 2Create an automation named Approved lockdown rule.
- 3Tell Notis to read the reacted message, confirm zone details, and create the requested lockdown rule.
- 4Pick Message Reaction Added as the trigger and choose a report channel.
- 5Test by reacting to one prepared approval message.
Questions about this workflow
Which reaction should start the workflow?
Choose the reaction configured for this automation in the trigger settings.
What if the message lacks an IP range?
Notis should request the missing range before creating the rule.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slackbot to Cloudflare api key. A trigger fires from one place; an action lands in another.
Slackbot triggers
Cloudflare api key actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Create DNS Record
Tool to create a new DNS record in a Cloudflare zone. Use when you need to add a record (A, CNAME, TXT, MX, etc.) to a specified zone.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Create Zone Lockdown Rule
Tool to create a Zone Lockdown rule. Use when you need to restrict access to specific URL patterns to defined IPs/CIDR ranges. Use after confirming zone_id.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Create Rule in Ruleset
Tool to add a rule to an existing ruleset. Use when you need to append or insert a new rule in a Cloudflare ruleset.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Create Ruleset
Tool to create an account- or zone-scoped ruleset. Use after defining your ruleset details and selecting the correct scope.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Delete DNS Record
Tool to delete a DNS record. Use when you need to remove a specific DNS record from a zone after confirming both zone and record IDs.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Delete DNSSEC
Tool to delete DNSSEC records for a zone. Use after disabling DNSSEC at the registrar to remove DNSSEC configuration.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Delete Rule from Ruleset
Tool to delete a specific rule from a ruleset. Use when you need to remove an outdated or incorrect rule from an account or zone ruleset after confirming IDs.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
Delete Ruleset
Tool to delete all versions of a ruleset. Use when you need to remove a ruleset from an account or zone after confirming no references exist.
Connect any two apps with Notis in the middle.
Slackbot and Cloudflare api key, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
Save your first hour today.
7-day trial of any paid plan, with 20$ of usage included.
No card. Works with personal or business Cloudflare api key.