Cisco ASA – Password Recovery / Reset
KB ID 0000572 Problem Note: This procedure allows you to reset the password WITHOUT LOSING THE CONFIG You need to access a Cisco ASA device and do not have the passwords, there can be lots of reasons for this, lack of good documentation, bought a second hand firewall, the last firewall admin never told anyone etc. This method does require physical access to the ASA, a console cable, and a machine running some terminal emulation...
Cisco ASA – Allow Remote Management
KB ID 0000173 Problem Quite a while ago I wrote the “Connecting to and managing Cisco firewalls” article, which is still pretty complete, but I’ve been asked on a few occasions, “How do I actually configure the firewall to allow remote administration via, SSH, or HTTPS/ASDM, or Telnet If you have no network connection to the firewall, then you will need to connect via console cable (CLICK HERE). Solution...
Connecting to and Managing Cisco Firewalls
Also see “Allow Remote Management” KB ID 0000075 Problem To connect to and manage a Cisco firewall you need three things, To be in possession of a password, (and in some cases a username). Have the ‘Method of Access granted to you’ (or have physical access to the firewall). Know a ‘Method of Access’ to the firewall for management. Cisco Firewall Passwords Unless your firewall is brand new (in which...
Linux (CentOS) Securing and Hardening SSH / Shell Access
KB ID 0000881 Problem The following is by no means an extensive list of everything that can be done. It’s just a run though of what I would consider ‘good practice’. Solution Create a user for SSH and Remove Shell access for the ‘root’ user. 1. Connect to the server via SSH or open a terminal session and su to root. Create a new user then set and confirm the new users password. useradd {username} passwd...