ASA tunnel internet over VPN
ASA tunnel internet over VPN In some circumstances organisations require routing internet traffic over an IPSec VPN back to the Data Centre and then access the internet from the Data…
Unicast Reverse Path Forwarding (uRPF)
Unicast Reverse Path Forwarding (uRPF) Unicast Reverse Path Forwarding (uRPF) is a security feature on Cisco ISR routers and ASA or Secure Firewall Threat Defence (FTD) firewalls, that enables the…
ASA Traffic Zones
ASA Traffic Zones The Cisco ASA supports Equal-Cost multi-Path (ECMP) using Traffic Zones feature. Multiple interfaces (up to 8) are assigned to a Traffic Zone, which lets traffic from an…
ASA Interface High Availability
The Cisco ASA software image running on either Firepower or ASA hardware supports interface high availability using PortChannel/Etherchannel and Redundant interfaces. This post covers describes both solutions and provides information…
ASA Transparent Mode
The Cisco ASA software supports two firewall modes, routed and transparent. A transparent firewall is a layer 2 firewall that acts like a stealth firewall and is not seen as…
ASA Service Policies
The Cisco ASA firewall, Service Policies use the Modular Policy Framework (MPF) to provide a flexible way to configure ASA features, such as connection settings, inspection, QoS, redirection to service…