Port 21011AMLFilter HTTP

Port 21011 is the default HTTP port for AMLFilter's amlf-engine-01, a software produced by AMLFilter Inc., which specializes in financial compliance solutions. It provides a web interface that facilitates communication with anti-money laundering (AML) data filtering systems designed to assist financial organizations in detecting suspicious activities and ensure compliance with regulatory norms. As this is an HTTP service, the port provides unencrypted access unless rerouted through secure protocols..

transport
tcp

single transport

in transit
cleartext

payload readable on path

assignment
unofficial

used by convention

risk
4/10

caution

lookups
20,212

rank 124 of 993 · top 12%

Technical Details

what runs on :21011

Port 21011 is utilized by AMLFilter Inc.'s amlf-engine-01 as its default HTTP communication endpoint. The engine acts as an AML (Anti-Money Laundering) filtering server that ingests, processes, and analyzes financial transactions to identify potentially fraudulent activities. Through this port, clients and administrators can access the service for configuration, monitoring, and interacting with the filtering processes.

As an unencrypted HTTP service, this port typically hosts a lightweight web interface or API endpoints. The interface allows users to manage AML rulesets, perform manual reviews, synchronize new regulatory updates, and export compliance reports. Often, the port supports RESTful communication, enabling integration with banking systems and regulatory databases.

Because the port hosts critical compliance infrastructure, performance and availability are optimized to avoid interruptions in transaction monitoring. Depending on deployment, the service might run behind internal network segments but could also be exposed externally for partner integrations or cloud deployments, which impacts the security requirements.

Security Information

exposure of :21011

risk score

4/ 10caution

worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.

web services averages 3.9 across 112 ports — this one sits 0.1 above.

in transit

cleartext

credentials and payloads are readable by anyone on path

assignment

unofficial

used by convention, not registered — what answers here varies by deployment

reachable over

tcp

every listening transport is another surface to filter at the edge

security overview

Common Vulnerabilities:

  • Lack of encryption exposes sensitive transaction and compliance data to interception via Man-in-the-Middle (MitM) attacks.
  • Default credentials or insecure access controls can allow unauthorized users to access or manipulate filtering rules and reports.
  • SSRF (Server-Side Request Forgery) or command injection vulnerabilities in the AMLFilter's web interface enable attackers to compromise backend systems.
  • Outdated or unpatched software versions susceptible to known web server exploits, including remote code execution.

Common Mitigations:

  • Enforce strict access controls, including strong authentication and role-based authorization.
  • Deploy network segmentation and firewall rules to limit port 21011 exposure to trusted entities.
  • Utilize VPNs or tunnel HTTP traffic over TLS/SSL to encrypt communication.
  • Regularly update the AMLFilter engine and underlying web components to patch vulnerabilities.
  • Conduct rigorous security assessments, including penetration testing and code reviews of integration points.
  • Implement comprehensive logging and monitoring for suspicious activities, privilege escalations, and anomalous requests.

the 8 most looked-up other ports in web services — 112 ports carry that label.

risk mix of the 8 listed

  • safe13%
  • caution88%

0 of 8 encrypted