How to Configure Access Control Lists on a Cisco ASA 5500 Firewall

“Sponsored Links” The following article describes how to configure Access Control Lists (ACL) on Cisco ASA 5500 firewalls. An ACL is the central configuration feature to enforce security rules on your network. The Cisco ASA 5500 is the new Cisco firewall model series which followed the successful Cisco PIX firewall appliance. Cisco calls the ASA […]

Comparison Between Cisco ASA WebVPN Technologies

Cisco ASA supports two major WebVPN modes: Clientless WebVPN and Anyconnect WebVPN. Let’s see the differences between the two WebVPN modes and I’m sure you will understand why the AnyConnect mode is much better in my opinion. Clientless WebVPN does not require any VPN client to be installed on user’s computer. It uses a normal […]

How to Create and Manage Access Control Lists on Cisco ASA

Access Control Lists (ACLs) are sequential lists of permit and deny conditions applied to traffic flows on a device interface. ACLs are based on various criteria including protocol type source IP address, destination IP address, source port number, and/or destination port number. ACLs can be used to filter traffic for various purposes including security, monitoring, […]

Allowing Microsoft PPTP through Cisco ASA

The Microsoft Point to Point Tunneling Protocol (PPTP) is used to create a Virtual Private Network (VPN) between a PPTP client and server. It is used for remote access from mobile users to connect back to their corporate network over the Internet. A PPTP client connects and authenticates to the PPTP server which assigns an […]

Cisco ASA 5505 User License Explained

I get a lot of questions regarding the meaning of user license numbers for the Cisco ASA 5505. This model is offered in three User License options. 10 users, 50 users and UL (unrestricted license). The meaning of user license basically refers to concurrent IP addresses that can communicate between Internal (inside) network and Internet […]

Trainsignal Vs CBT Nuggets Training

IT technology and computer/data networking are two hot career paths that many people get into hopping for a successful professional establishment. However, as technology demands get higher and higher, professional qualifications (such as technical certifications) are now a necessity for people trying to get a job in IT or networking. Most companies now require several […]

Policy NAT on Cisco ASA Firewall

As we know, the conventional NAT functionality on Cisco devices (routers, ASA firewalls etc) translates the SOURCE IP address to something else. There is also the so called “Destination based NAT” (or you may see it referred as “Reverse NAT”) which changes the destination IP address. Here we will deal with conventional source based NAT […]

Cisco AnyConnect SSL VPN Client on Cisco ASA 5500

The convenience and advantages of secure VPNs has driven the specific technology to keep evolving continuously. Several years ago we only had the standardized IPSec VPN (which still strongly exists today). IPSec is a pure IP network VPN technology for connecting distant LAN networks over unsecured paths. Also, IPSec is used for client VPNs connecting […]