Archives for 2022
Add Virtual Machine to NetBox with an Ansible playbook
In this blog post I'm showing how to get a Virtual Machine, defined in an Ansible inventory file, into the NetBox DCIM (Data Center Information Management) tool.
NetFlow with Elastic-Stack
This blog post shows how to setup a NetFlow collector with Elastic-Stack, Fleet and Elastic-Agent. NetFlow data is sent by a Cisco ASA Firewall cluster.
Technischer Schutz und Prozesse bei Datenlecks
In diesem Blog-Post beschreibe ich meine technischen Schutzmaßnahmen (Email) und Prozesse, wenn ich von einem Datenleck betroffen bin.
odenwald.social
Just a quick announcement: Die Mastodon-Instanz odenwald.social ist freigeschaltet. Viel Spass ;)
Cisco Wireless Intrusion Detection Events to Elastic-Stack
In this blog post I'm showing how to get Wireless Intrusion Detection Events from Cisco's WIDS included in Cisco's Wireless Controllers into an Elastic-Stack.
802.1X Switch port is amber when only IP Phone is connected
When 802.1X (wired) is configured on a 3750G switch, the port LED is amber when only an IP Phone is connected (mab). When connecting on the IP Phone a downstream device like a laptop (dot1x), the port LED goes to green.
Login-Block (DoS and Dict-Attack Protection) in Cisco IOS
Cisco offers a method to protect against DoS (Denial-of-Service) and Dictionary attacks for IOS devices called Login-Block.
Update Schneider-APCUPS firmware with Linux
In this blog post I'm showing how to update a Schneider-APC UPS with Linux.
Mapping of IP addresses blocked by Russia
Mapping of IP addresses blocked by Russia
Werbeemails aufgrund LinkedIn Profils
Werbeemails aufgrund LinkedIn Profils / SPAM mails due to LinkedIn Profile.
Tor project / Tor bridge
Tor project / Tor bridge.
New fiber optics cables for my network
New fiber optics cables for my network. OM4, LC/LC connectors, 4x1 Gigabit link.
The 90’s reported in and delivered a phone book
The 90's reported in and delivered a phone book.
Synology DiskStation to Cisco Core Switch redundant setup with LACP
Configuration of LCAP (Link Aggregation Control Protocol) for Synology DiskStation and Cisco Switch.
Schneider-APCUPS battery replacement
Small how-to about Schneider-APC UPS battery replacement and setting replacement date in Network management card.