Projects / Secure Syslog

Secure Syslog

Secure Syslog is a cryptographically secure system logging tool for UNIX systems. Designed to replace the syslog daemon, ssyslog implements a cryptographic protocol called PEO-1 that allows the remote auditing of system logs. Auditing remains possible even if an intruder gains superuser privileges in the system, the protocol guarantees that the information logged before and during the intrusion process cannot be modified without the auditor (on a remote, trusted host) noticing.

Operating Systems

Recent releases

  •  09 Jul 1998 15:26

    No changes have been submitted for this release.

    Recent comments

    17 Sep 2000 20:09 alejo

    This product is no longer supported. SEE MODULAR SYSLOG!
    At CORE-SDI was developed a ground-up revision of the whole project and thus Modular Syslog (msyslog for short) was born. Check freshmeat's modular syslog page here ( and official Core-SDI product page here (

    Modular Syslog has a BSD like licence (less restrictive than GPL). So it is still FREE soft.

    23 Jul 1999 11:26 alexeiznam

    It seems they have changed the site:

    The correct URL now for ssyslog seems to be: (


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