Blog Posts
NetFlow with Elastic-Stack
Written by Stefan on . Modified on . Posted in Blog. Tags: #cisco #network #security #netflow #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
Written by Stefan on . Modified on . Posted in Blog. Tags: #security
In diesem Blog-Post beschreibe ich meine technischen Schutzmaßnahmen (Email) und Prozesse, wenn ich von einem Datenleck betroffen bin.
odenwald.social
Written by Stefan on . Modified on . Posted in Blog. Tags: #mastodon #odenwald
Just a quick announcement: Die Mastodon-Instanz odenwald.social ist freigeschaltet. Viel Spass ;)
Cisco Wireless Intrusion Detection Events to Elastic-Stack
Written by Stefan on . Modified on . Posted in Blog. Tags: #cisco #network #security #wifi #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
Written by Stefan on . Modified on . Posted in Blog. Tags: #cisco #network #security
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
Written by Stefan on . Modified on . Posted in Blog. Tags: #cisco #network #security
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
Written by Stefan on . Modified on . Posted in Blog. Tags: #battery #apc #ups
In this blog post I'm showing how to update a Schneider-APC UPS with Linux.
Mapping of IP addresses blocked by Russia
Written by Stefan on . Modified on . Posted in Blog. Tags: #internet #security
Mapping of IP addresses blocked by Russia
Werbeemails aufgrund LinkedIn Profils
Written by Stefan on . Modified on . Posted in Blog. Tags: #internet #spam #linkedin
Werbeemails aufgrund LinkedIn Profils / SPAM mails due to LinkedIn Profile.
Tor project / Tor bridge
Written by Stefan on . Modified on . Posted in Blog. Tags: #internet #network #tor
Tor project / Tor bridge.
| >> |