cisco asa 5505 firewall

This is certainly not the first article on "Quick Guide to building a VPN using Cisco devices, however, we still hope that this guide will become an all-in-one guide for users who use ASA 5505 devices to set up VPN and connect to the Internet. The ASA itself has a setup wizard, but this wizard does not cover all aspect

Company A Cisco asa5505 collapsed, fortunately there is a standby machine, but before the other people have used, do not know the login password, so take out the console line access to the standby 5505, re-power, press ESC at startup, then the prompt Rommon #0 >The value of the configuration register is 0x41 Rommon #0 >confreg 0x41Enter reboot, restart the device Rommon #1 >rebootThe process of entering a p

(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

Ciscoasa (config) # Crypto key generate RSA modulus 1024Specifies the size of the RSA coefficients, the larger the value, the longer it takes to generate RSA, the Cisco recommends using 1024.Warning:you has a RSA keypair already defined named Warning: You have an RSA key pair defined by the named Do you really want to replace them? [yes/no]: YDo you really want to replace them? [Yes/no]:yKeypair generation process begin. Please wait ...The start of th

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

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

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

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

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