Jan Gerhards

My Personal Web Site


new packages available at obs

Currently we are working on new rsyslog packages using the SUSE OBS tool. While this is still experimental, we have now published the first batch of packages. You can find them here. We have decided to first focus on Debian, since there are no other rsyslog official packages for this distribution. However, these are still […]

IPv6 anonymization portability problems

IPv6-addresses are represented by 128 bits. This makes it possible to provide far more addresses than IPv4. However, this also causes problems when working with IPv6. In this case, I am currently working on an IPv6-anonymiation function for rsyslog. There are some systems that support an unsigned 128 bit integer when using GCC or clang […]

rewriting mmanon: an update

I have completed the rewrite of the IPv4-function of the mmanon module.I have managed to keep the original parameters available, although the “rewrite” option is now called “zero”. This is not going to be a problem causing older, already running, configurations to no longer work, as the old parameter-names still work. However, having the “ipv4.” […]

Rewriting mmanon

Currently, rsyslog’s mmanon module has the task of anonymizing ip-addresses. However, due to only being able to anonymize ipv4-addresses, I decided to overhaul the module to be able to also work with ipv6-addresses (see this feature request). In doing this, I also noticed some bugs with the ipv4-module. Now there are two options: try to […]

Zusammenfassung Logging

Hier ist eine Zusammenfassung meines Verständnisses von Eventreporter, WinSyslog und rsyslog: Die drei Programme heißen Eventreporter, Winsyslog und rsyslog. Eventreporter ist der lokale client, der auf einem  einzelnen Computer läuft. Mit ihm kann mach auch noch einige weitere überwachen lassen, aber nicht viele. Er sammelt und speichert die Vorgänge, also Fehlermeldungen, wenn ein Programm gestartet […]

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