Posts tagged with "debugging"

Outage RFO for September 6th/7th, 2019

Reason For Outage (RFO) for the Selfnet core network outage on September 6th/7th, 2019.
How a spam mail led to CVE-2018-18898

Debugging a high CPU load on our ticketing system led to a security fix in Email::Address::List
Die Selfnet-Firewalls und ihre Grenzen (Only in German)

Analyse der Performanceprobleme der Selfnet-Firewalls und mögliche Lösungen
Network Debugging: Rogue Router Advertisements

How we debugged and fixed a problem with rogue router advertisements