Eğitim Mah. Abdibey Sk. Kentplus Sitesi, Kadıköy / Istanbul

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Log Signing and Timestamping Compliant with Law No. 5651

We collect your system logs centrally, sign them with a TÜBİTAK Kamu SM timestamp and store them in compliance with Turkish Law No. 5651.

traffic-2026-10-14.log09:12:03INFOuser signed in09:12:41INFOIP address assigned09:14:07WARNunauthorized request rejected09:15:22INFOconnection started09:18:50INFOconnection closed09:21:05INFOconfiguration updated09:24:31INFObackup completed09:27:12INFOuser signed outSHA-512 9f2c…e71a4b0d…c83fTÜBİTAK KAMU SM · TIMESTAMP · RFC 3161 ·

Prove when your logs were created and that they have not been changed

Businesses covered by Law No. 5651 must sign their traffic records with a timestamp and store them. We collect your log records, sign them with a timestamp and store the signed archive securely. We adapt the setup to your existing infrastructure.

Centralized Log Collection

We collect the logs of your servers, applications and devices in one central place using methods that suit your infrastructure, and make sure no records are missed.

TÜBİTAK Kamu SM Timestamp

We sign your daily log files with a TÜBİTAK Kamu SM timestamp in line with the RFC 3161 standard. This makes it provable when each file was created and that it has not been changed since.

Integrity Check with SHA-512

The SHA-512 digest of each log file is calculated and stored together with the timestamp. Even the smallest change to a file is detected during verification.

Daily Automatic Signing

Signing runs automatically every day through scheduled jobs. Your signed log archive builds up regularly without manual intervention.

Log Separation by Organization

In setups that serve multiple customers or units, we separate logs by organization and sign and store them separately.

Credit Tracking

You can check your timestamp credit balance and take action before your credits run out.

With our log signing solution, you meet your legal obligations and make the reliability of your log records provable. Contact us to plan a setup that fits your infrastructure together.

Technical specifications

Timestamp
TÜBİTAK Kamu SM, RFC 3161 compliant
Digest algorithm
SHA-512
Log collection
Central collection from different sources
Scheduling
Daily automatic signing
Log separation
By organization
Platform
.NET, Linux server

Frequently asked questions about 5651 log signing

If you could not find the answer to your question, write to us and we will get back to you as soon as possible.

Ask a question
Who does Law No. 5651 require to sign logs?

The law and the related regulation require collective use providers and businesses that offer internet access to sign their traffic records with a timestamp and store them. We recommend reviewing with your legal advisor whether you are within scope.

Why is a timestamp needed?

A timestamp proves, through an independent authority, that a file existed on a certain date and has not been changed since. This allows log records to be used as evidence when needed.

What is required for the TÜBİTAK timestamp service?

You need to obtain the timestamp service and credits from TÜBİTAK Kamu SM. Your account details are configured in the solution and signing becomes automatic.

Does it work with our existing log infrastructure?

Yes. We collect log records centrally using methods that suit your existing infrastructure and include them in the signing process.

CONTACT

Obtaining further information by making contact with our experienced IT staffs.

We are available during working hours during the day. Contact to require a detailed analysis and assessment of your plan.