How-to
Integrations
Apache NiFi and Philter
How to use Philter to redact PII and PHI inside an Apache NiFi data flow, either through Philter's API or with an embedded NiFi processor.
Philter Support
Get help with Philter, the self-hosted PII redaction API: deployment and operations guides, the documentation, and how to reach support.
Documentation
Installation, configuration, and every setting, in the Philter user guide.
Read the Philter docsReport a problem
File a bug, request a feature, or ask a question in the public issue tracker. The engineers who wrote the code answer there.
Open the issue trackerContact support
A commercial license includes direct email support at support@philterd.ai. Please do not send PII or PHI.
Use the contact form
New to Philter? See what it does.
Philter guides
How-tos
How-to
Compliance
Deploying Philter in a HIPAA Environment
How to configure a Philter deployment for HIPAA: encryption of data at rest and in motion across AWS, Azure, and Google Cloud.
How-to
Operations
Deploying Philter in AWS via a CloudFormation Template
How to deploy Philter in AWS with a CloudFormation template: finding the Philter AMI, editing the template, and launching the stack.
How-to
Operations
How to Use a Signed SSL Certificate with Philter
How to replace Philter's self-signed certificate with one signed by a trusted authority, using a PKCS12 keystore and two settings.
How-to
Operations
How to Use an Apache Reverse Proxy with Philter
How to run an Apache reverse proxy in front of Philter for SSL termination, access control, and access logging.
How-to
Operations
Monitoring Philter in AWS
How to monitor Philter in AWS: CloudWatch Logs for its log, load balancer health checks for availability, and its Prometheus metrics.
How-to
Redacting National and Financial ID Numbers
A how-to for redacting national and financial IDs (SIN, CPF, DNI, IBAN, BIC, and more) with checksum-validated patterns that reject look-alikes.
How-to
Integrations
Redacting Text in Amazon Kinesis Data Firehose
Amazon Kinesis Firehose is a managed streaming service that moves data from sources to destinations like S3 and Redshift. This post redacts PII in that stream.
How-to
Operations
Referential Integrity with Valkey
How to configure a Valkey cache so Philter maintains referential integrity (consistent replacement values) across documents and contexts in a cluster.
How-to
Integrations
Using Philter with Microsoft Power Automate
How to call Philter from a Microsoft Power Automate (Flow) automation to redact PII and PHI from text, using a simple HTTP action.
How-to
Writing your first redaction policy
A hands-on walkthrough from empty file to working redaction policy: detect an entity, apply it with Philter, change how it redacts, and handle false positives.
Reference
Reference
Self-hosting
Self-Hosted Philter Reference Architectures
Reference architectures for running self-hosted Philter inside your own AWS, Azure, or GCP boundary, with no-egress and government-cloud variants.
Reference
The Phileas redaction policy schema
What a redaction policy is, how the JSON schema is structured, and how to use it to control exactly which PII is detected and how each type is redacted.
Concepts
Concept
Compliance
PIPEDA and Law 25: PII Redaction for Canadian Privacy Compliance
How Philter addresses PIPEDA and Quebec's Law 25: self-hosted deployment for data residency, bilingual redaction, and Canadian identifier handling.