Port 21021AMLFilter HTTP

Port 21021 is commonly associated with AMLFilter, an anti-money laundering solution developed by AMLFilter Inc. This port serves as the default HTTP communication channel for the amlf-engine-02 service, facilitating web-based management, data transfer, and detection operations that support financial compliance workflows..

transport
tcp

single transport

in transit
cleartext

payload readable on path

assignment
unofficial

used by convention

risk
4/10

caution

lookups
20,649

rank 117 of 993 · top 12%

Technical Details

what runs on :21021

Port 21021 is designated as the default HTTP port for amlf-engine-02, a core component of AMLFilter's anti-money laundering platform. This service is primarily used for web-based communication, enabling interfaces for configuration, status monitoring, and exchanging data between client applications and backend services. The reliance on HTTP suggests that the service provides a RESTful API or a web management console accessible via standard web protocols.

As part of a financial compliance infrastructure, interactions through this port likely involve sensitive data transactions, such as customer information, suspicious activity reports, and case management functions. It typically uses plain HTTP over TCP, facilitating straightforward integration with internal systems, although this may increase exposure to certain exploits if proper safeguards aren't in place.

Given its specificity and unofficial status outside AMLFilter environments, port 21021 isn't standardized across the broader industry. This port tends to appear only in tailored deployments where AMLFilter solutions have been integrated, often within private, internal financial institution networks rather than in public-facing services.

Security Information

exposure of :21021

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:

  • Using plain HTTP on this port exposes data in transit to interception via packet sniffing.
  • Known web vulnerabilities like cross-site scripting (XSS), injection attacks, or directory traversal could be exploited if the web interface isn't securely designed.
  • Unauthorized access to the management interface could enable attackers to manipulate AML detection parameters or access sensitive compliance data.

Common Mitigations:

  • Enforce strong authentication and role-based access control on the service interface.
  • Employ TLS/SSL to encrypt HTTP communication, mitigating interception risks.
  • Limit access to port 21021 at the network level (e.g., firewalls, access control lists), restricting it to trusted internal networks.
  • Regularly update the AMLFilter software to address security patches.
  • Conduct security assessments on the exposed web interfaces to identify and remediate web-specific vulnerabilities.

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