Cisco ASA – Password Recovery / Reset
Nov07

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...

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Cisco ASA – Allow Remote Management
Oct17

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...

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Connecting to and Managing Cisco Firewalls
Sep17

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...

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Linux (CentOS) Securing and Hardening SSH / Shell Access
Nov17

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...

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