In a project or upgrading Zenoss for a large customer, I have had numerous issues regarding i/o performance. This was certainly expected, but not to that level. Some numbers to explain the situation: the NMS monitors about 1’900 devices Includes about 700+ routers and 1000+ switches Some switches are stacked On routers, we collect 8 […]
If you change Cisco switches from SNMP V1/2 to V3, it may go unnoticed that part of the SNMP polling in Netdisco stops working. Specifically, the collection of per-VLAN MAC address tables will fail, with authorization errors in the macsuck log. Additional snmp-server config commands on the switch are required to enable access to the […]
Domenico Salvati and Adrian Leuenberger of DefCon Switzerland ran a workshop on corporate risk management in Zurich. This one-day event addressed two goals: To present a model of risk “compatible” with upper management in order to allow techies to talk with high-ranked business representatives. To talk about a second model which measures and calculates probabilities […]
This is a brief report from the convention Cyber Risks Switzerland 2014 (Tagung Cyber Risiken Schweiz), Berne November 20, 2014. The conference, organised by ISB/MELANI, was meant to give some insight into the implementation of the various tasks formulated in the National Cyber Strategy (NCS). Meeting and networking between all sorts of players in the […]
Roberto Perdisci is an expert on botnets and malware infections at the University of Georgia. He came to Switzerland to present his Amico Open Source Software at Swiss Cyberstorm 2014 and I (Christian Folini here) had the pleasure to host a workshop with him and several malware specialists from MELANI, the Federal Swiss Reporting and […]
