(config) # IP default-Gateway 192.168.8.1
M1
M1 (config) # int VLAN 1M1 (config-If) # IP add 192.168.8.1 255.255.255.0M1 (config-If) # No sh
Port ing on asa1
Asa1
Ciscoasa (config) # static (inside, outside) TCP int telnet192.168.8.8 Telnet netmask
255.255.255.255
Add an entry in the ACL to allow R1 to access port 23 of E0/1.Ciscoasa (config) # access-List Test permit TCP 12.0.0.1 255.255.255.255 12.0.0.2 255.255.255 EQ 23
Test results on r1
R1
R1 # telnet 12.0.0.2Trying 12.0.0.2... open
Us
accessed through the extranet IP.To turn on NAT:Global (outside) 1 interfaceNat (inside) 1 192.168.3.0 255.255.255.0Do port mapping:static (inside,outside) TCP interface 192.168.3.222 3389 netmask 255.255.255.255To do access control for an external network port:Access-list outside_access Extended permit IP any anyAccess-group Outside_access in Interface OutsideThe above directive realizes, the external network user accesses the internal terminal through the public network IP, but the intranet u
Release date:Updated on: 2013-06-27
Affected Systems:Cisco Next-Generation FirewallDescription:--------------------------------------------------------------------------------CVE (CAN) ID: CVE-2013-3382Cisco ASA Next-Generation Firewall is a Next-Generation Firewall product. It is an additional service module that extends the
In this article, I'll briefly explain the Active/standby failover configuration on the Cisco ASA. The lab is do in GNS3.
Physical topology:
ConfigurationCiscoasa/act/pri (config) # sh run failoverFailoverFailover LAN Unit PrimaryFailover LAN Interface failover_stateless GIGABITETHERNET0/2Failover link failover_stateful gigabitethernet0/1Failover interface IP failover_stateless 169.254.0.15 255.255.255
TopologyRequirement: You can use the Cisco Firewall ASA to access servers in the Internet and DMZ through the Intranet. servers in DMZ can be published to the network for access by Internet users.I. Use of Cisco simulated FirewallBecause we do not have real devices, we use a virtual system using the Linux kernel to sim
Cisco Firewall ASA Configuration case
Topology map
Requirements: Through Cisco Firewall ASA use intranet users can access the external network and the server in the DMZ, the server in the DMZ can be published to the network, f
Step 1 of Cisco ASA firewall VPN configuration: Create an address pool. To remotely access the client, you need to assign an IP address during logon. Therefore, we also need to create a DHCP address pool for these clients. However, if you have a DHCP server, you can also use a DHCP server. QUANMA-T (config) # ip local pool vpnpool 192.168.10.100-192.168.10.199 ma
Internet router that is connected to the Internet. At the same time, PIX also has an inward interface that is used to connect to a local area network switch that is connected to the intranet.
What is Cisco ASA?
ASA is a brand new firewall and Anti-malware security appliance in the
Internet router that is connected to the Internet. At the same time, PIX also has an inward interface that is used to connect to a local area network switch that is connected to the intranet.
What is Cisco ASA?
ASA is a brand new firewall and Anti-malware security appliance in the
Cisco ASA Advanced Configuration first, to prevent IP Shard Attack 1 , Ip the principle of sharding; 2 , Ip security issues with sharding; 3 , Prevention Ip Shards. these three questions have been described in detail before and are not introduced here. For more information, please check the previous article:IP sharding principle and analysis. Second, URL Filter Use AS
One of the most important features for a firewall product is logging events. This blog will show you how to log management and analysis of the ASA, the principle and configuration of ASA transparent mode, and implement URL filtering using the iOS features of the ASA firewall.First, URL filteringWith the feature URL fil
frequent vulnerabilities and performance losses that occur in a common operating environment.
The core of the system is a protection mechanism based on adaptive Security Algorithm (ASA), which can provide a stateful, connection-oriented firewall function while intercepting common denial of service (DoS) attacks.
Cisco PIX 515E is also a fully functional VPN gate
Cisco's ASA Firewall is a stateful firewall that maintains a connection table (conn) about user information, by default the ASA provides stateful connections to TCP and UDP traffic, and is non-stateful to the ICMP protocol.The message traversal process for Cisco
Cisco ASA failover Command Injection Vulnerability (CVE-2015-0675)
Release date:Updated on:
Affected Systems:Cisco ASA 1, 5500Description:CVE (CAN) ID: CVE-2015-0675
The Cisco ASA 5500 Series Adaptive Security Device is a modular platform for providing security and VPN se
Cisco asa vpn xml Parser Denial of Service Vulnerability (CVE-2015-0677)Cisco asa vpn xml Parser Denial of Service Vulnerability (CVE-2015-0677)
Release date:Updated on:Affected Systems:
Cisco ASA 1, 5500
Description:
CVE (C
Release date:Updated on:
Affected Systems:Cisco ASA 5500 Series Adaptive Security Appliance 8.0-8.4Description:--------------------------------------------------------------------------------Cve id: CVE-2011-3285
The Cisco ASA 5500 Series Adaptive Security Device is a modular platform for providing security and VPN services. It provides
When Cisco routers are routed first, when Nat first may be known, inside is routed first, outside is first Nat.Well, for Cisco ASA, it is not the case, most of the first to find the route if the data from inside, in both cases Nat will first route to confirm the interface.
Did the purpose NAT conversion
Static NAT session exists
Once you know th
ASA-防火墙-cisco
The role of the ASA firewall1, in the network to isolate dangerous traffic, no point.The principle of the ASA firewall1. Distinguish different areas by security level: internal area, external area, demilitarized zone.By default: High-level traffic can go to lower levels,Low-level traffic c
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