Articles with the tag: #asa

Concept for DNS security with Bind9, Pi-hole and OpenDNS

This is my new concept for DNS security with Bind9, Pi-hole and OpenDNS in my network. Bind9 is used as Enterprise DNS to resolve hostnames and IP addresses in the local area network, Pi-hole and OpenDNS are used for Internet DNS traffic. DNS traffic is passed by Cisco ASA Firewall ACL.

Check in of configuration files to a Gitlab server

This is the third part of a series of blog posts about Cisco configuration backup with Netbox and Gitlab. This blog post covers the check in of configuration files to a Gitlab server

Low Level Device functions for backup with Netbox and Gitlab

This is the second part of a series of blog posts about Cisco configuration backup with Netbox and Gitlab. This blog post covers the low level functions to connect to network devices with pexpect.

Cisco configuration backup with Netbox and Gitlab

This is the first part of a series of blog posts about Cisco configuration backup with Netbox and Gitlab. It covers the connection to the Netbox API and to get the data of network devices with the pynetbox filter function.

Fritzbox on redundant ASA Firewall

Setup of two redundant Cisco ASA firewalls on a Fritzbox cable modem with Non-routed transfer network to keep the "PC-MAC"/"exposed host" configuration on Fritzbox during ASA failover switching

Replacing faulty memory for Cisco ASA-5520

Replacing faulty memory for Cisco ASA-5520, checking memory and failover

Cisco ASA5520 stuck at Booting system, please wait…

Cisco ASA5520 stuck at Booting system, please wait... and how to check for faulty memory

Blocking Facebooks networks on ASA firewall

Blocking Facebooks networks on ASA firewall

Create ASA Firewall rule from Talos IP Blacklist

A simple bash script to create ASA Firewall rules from Talos IP Blacklist