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 series. (Do not confuse this pr
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 series. (Do not confuse this
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
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
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
(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
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 firewall,
Release date:Updated on:
Affected Systems:Cisco ASA Description:--------------------------------------------------------------------------------CVE (CAN) ID: CVE-2014-0653, CVE-2014-0655
The Cisco ASA 5500 Series Adaptive Security Device is a modular platform for providing security and VPN services. It provides firewall, IPS
Signatures and alarms for Cisco IPS systems
Cisco IPS detection is based on signatures, and Cisco signatures is divided into three types: built-in signatures, modified signatures, and User-Defined signatures.
ÜBuilt-in signatures:The built-in signatures are Cisco's predefin
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
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 ASA platform.The implementation of Cisco
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 ASA is as follows:A new TCP message view to establish the
Release date:Updated on:
Affected Systems:Cisco ip4200 Series SensorsDescription:--------------------------------------------------------------------------------Bugtraq id: 65665CVE (CAN) ID: CVE-2014-0718
Cisco IPS Software is a network intrusion prevention Software.
A security vulnerability exists when Cisco IPS p
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
Bypass mode of the Cisco IPS system
If an IPS problem or fault occurs, especially when IPS work in traversing mode, this will cause problems to the entire network, sometimes even catastrophic, therefore, you must define the processing behavior of data traffic when an IPS fa
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
Cisco ASA iOS upgrade or RestoreFirst, pre-upgrade preparation work1 , prepare the iOS file you want to upgrade and the corresponding ASDM file2 , set up TFTP on a computer, configure the directory, and connect to the firewall (assuming the computer IP is 192.168.1.2)Second, upgrade steps1 , Telnet on the ASAasa>en// Enter privileged modeAsa#conft// Enter configuration mode2 , viewing files on the
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