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- DNS Inspection problem - Cisco Learning Network
match default-inspection-traffic policy-map global_policy class inspection_default inspect dns preset_dns_map service-policy global_policy global Additional Information: Phase: 7
- Cisco Learning Network
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- Class Map [match default-inspection-traffic]
Sure you can do that By default, class-map inspection_default is assigned to global_policy policy-map and to view the protocols inspected by default on ASA use following command
- IPSec Traffic Through Cisco ASA: Understanding NAT and Inspection Scenarios
[inspect UDP 500] ASA tracks ISAKMP negotiation over UDP 500 and automatically permits associated ESP or UDP 4500 traffic Properly allowing IPSec traffic through Cisco ASA depends on whether NAT is applied and whether IPSec inspection is enabled
- Cisco ACI Local SPAN (Access), Nexus 9000 Ethanalyzer SPAN-to-CPU
It can inspect packets that are either sent to the switch’s supervisor or generated by the supervisor itself SPAN-to-CPU allows traffic from a specified interface on the Nexus switch to be redirected to its CPU interface Once the traffic is punted to the CPU, Ethanalyzer can be used to capture and analyze the packets of interest Lab Topology
- Zone-Based Policy Firewalls 5 step process - Cisco Learning Network
My example PMAP action will be to inspect the class map Here you can also define the policy action to pass or drop traffic Step 5 you will create a service policy by naming it and identifying the flow in which traffic is going and identifying the zone membership (zone-membership) and use the names of the zones we created
- ASA Default Inspection - Cisco Learning Network
My ASA has only default inspection configured, nothing customized What's giving me a hard time is the fact that if I try to open telnet from PC that is connected on the inside interface of ASA with destination of the server connected on the outside interface, this telnet gets established It does because the asa keeps this connection in the "conn table State table" and dynamically allowing
- Zone Based Firewall Part 1 - Cisco Learning Network
Zone-Based Policy Firewall (ZBPF) (Zone Based Firewall) is the successor of Cisco IOS Legacy Firewall called (CBAC) Context-Based Access Control Concept of ZBPF is zone, which groups different interfaces sharing the same security attributes or the same level of trust Permissions for traffic forwarding is made between the zones or within a zone, not between physical interfaces
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