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Note: Intranet port: 192.168.3.253 External Network port: 192.168.6.45 (The following instructions are accordingly)!!!Join VLAN in interface mode:Switchport Access VLAN 2VLAN interface Configuration IP Address:Interface Vlan1Nameif insideSecurity-level 50IP address 192.168.3.253 255.255.255.0To configure Port mappings:access-list outside_access Extended permit IP any any to create an access control listaccess-group outside_access in interface Outside
=" _ ZQBP9DL~4XKTP (9Z_QJV@N.png "alt=" Wkiol1zddpbdi0b_aaaehca2etm448.png "/>-L: Logged in User nameCisco firewall default SSH login user name is pix, password is telnet password. Using the PIX is not secure and can be logged on with local user name authentication so that the PIX cannot log on.SSH login with a local user nameASA1 (config) # AAA authentication SSH Console LOCALTest650) this.width=650; "src=
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
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
process Object Network 50.30_4172 NAT (inside,outside) static 202.202.202.202 service UDP 4172 4172 object n Etwork 50.30_8443 Nat (inside,outside) static 202.202.202.202 service TCP 8443 8443 object Network 50.30_443 Nat (Inside,outside) static 202.202.202.202 service TCP HTTPS 8888 Object Network 50.30_22 NAT (Inside,o utside) static 202.202.202.202 SERvice TCP SSH Object Network 50.30_4172_tcp nat (inside,outside) static 202.202.202.202 ser
checks HTTP traffic Ciscoasa (config-cmap) # match request headerhost RegEx Class 3 Create Policy-map and associate class-Map Ciscoasa (config) # policy-map type inspecthttp 5 Ciscoasa (config-pmap) # Class 4 Ciscoasa (config-pmap-C) # Drop-connectionlog // Close the link and send system logs Ciscoasa (config) # policy-map 6 Ciscoasa (config-pmap) # Class 2 Ciscoasa (config-pmap-C) # inspect HTTP 5 // Check HTTP traffic Apply Policy-map to the interface Ciscoasa (config-p
ASA configurationASA Version 8.0 (2) !Hostname ASA5520Enable password 2kfqnbnidi.2kyou encryptedNo mac-address Auto!Interface ethernet0/0!Interface ethernet0/0.1VLAN 100!Interface ethernet0/0.2VLAN 200!Interface ethernet0/0.3VLAN 300!Interface ETHERNET0/1!Interface ethernet0/1.1VLAN 10!Interface ethernet0/1.2VLAN 20!Interface ethernet0/1.3VLAN 30!Interface ETHERNET0/2!Interface ETHERNET0/3!Interface ETHERNET0/4Shutdown!Interface ETHERNET0/5Shutdown!Cl
ASA 5505 ASA 5510 small and medium-sized enterprises5520 5540 5550 5580 large enterprisesASA is a Cisco product, formerly called PIX.650) this. width = 650; "src ="/e/u261/themes/default/images/spacer.gif "style =" background: url ("/e/u261/lang/zh-cn/images/localimage.png") no-repeat center; border: 1px solid # ddd; "alt =" spacer.gif "/> 650) this. width = 650;
In the global modeAsa (config) #int e0/0//Enter interface//ASA (CONFIG-IF) #nameif name//config interface name//ASA (CONFIG-IF) #security-leve 0-100//Configure interface Security level, 0-100 indicates security level//ASA (CONFIG-IF) #ip add 192.168.1.1 255.255.255.0//Configuration Interface IP address//
ASA firewall configuration Experiment Experiment topology: 650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M01/4C/9A/wKiom1RA11DBIRUbAAD3_HHGsI8477.jpg "Title =" empty "alt =" wkiom1ra11dbirubaad3_hhgsi8477.jpg "/> Basic configuration command: ASA Conf t Hostname ASA
connection type to remote access.Tunnel-group vpnclient general-attributes//Configuring the authentication method for this channel groupAddress-pool vpnclient//define the address pool usedDefault-group-policy vpnclient//define default Group Policy-----Set up authentication methods and shared keys-------------Tunnel-group vpnclient ipsec-attributes//Configure authentication method for IPSecPre-shared-key *//Pre-shared key for IKE connectionTelnet Timeout 5//telnet timeout settingSSH 0.0.0.0 0.0.
I. Overview: In actual work, it is estimated that two ISP lines, such as China Telecom and China Netcom, are often connected using ASA, and there is not enough budget to buy load balancing equipment, however, we want to achieve load sharing and automatic switching of links. We want to return traffic from China Telecom, from China Telecom to China Telecom, and from China Netcom to China Telecom. When one of the lines fails, all traffic never goes throu
I. Overview: It is estimated that the actual work will often encounter with Asa two ISP line, for example, Telecom and Netcom, and there is not enough budget to buy load balancing equipment, but want to achieve link load sharing and automatic switching, from telecommunications to traffic, from the telecommunications line back, from Netcom to the flow of traffic from the Netcom line back, When one of the lines fails, all traffic never goes off the fau
There are many VPN products on the Cisco ASA Web VPN configuration market and their technologies are different. For example, in the traditional IPSec VPN, SSL allows the company to achieve more remote users to access the VPN in different locations, this service enables more network resources to be accessed and has low requirements on client devices, reducing the configu
: none; "alt =" wKiom1Q-cjeA5gCrAABeVJQim7U567.jpg "/> 3. R4 cannot telnet to R1 or R3. 650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M00/4C/7D/wKiom1Q-cjjxFor0AAC1_02wSZY625.jpg "Title =" r4-r1r3.png "style =" float: none; "alt =" wKiom1Q-cjjxFor0AAC1_02wSZY625.jpg "/> 4. R3 is denied to telnet to R4 due to ACL 650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M01/4C/7E/wKioL1Q-cm7y3dh2AABdnx_adr4611.jpg "Title =" refusedr3.png "style =" float: none; "alt =" wKioL1Q-cm7y
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, for the extranet user access A The use of Cisco analog firewalls Because we do not have real equipment, we use a virtual system using
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 mask 255.255.255.0 Step 2: Create IKE Phase 1.
Cisco ASA L2TP over IPSEC configuration details 1. Create a VPN address pool Ciscoasa (config) # ip local pool vpnpool 192.168.151.11-192.168.151.15 mask 255.255.255.0 2. Configure the Ipsec encryption algorithms 3DES and SHA. Ciscoasa (config) # crypto ipsec transform-set TRANS_ESP_3DES_SHA esp-3des (esp-sha-hmac) 3. Set the IPSec transmission mode to transport. The default mode is tunnel (L2TP only suppor
1, the external network for 1 fixed IP, do NAT let intranet share Internet.G0: External network port: 192.168.0.4/24Extranet Gateway: 192.168.0.1G2: Intranet port (Gateway of intranet): 172.16.0.1/24Only key commands are listed below:Interface GigabitEthernet0Nameif outside//designated external network port is outsideSecurity-level 10//Security level manually modified to 10, or it can be the default of 0IP address 192.168.0.4 255.255.255.0Interface GigabitEthernet2Nameif inside//designated intra
NAT configuration of the ASA/PIX Firewall1. configure a public address pool for NAT translation nat (inside) 1 10.0.0.0 255.255.255.0global (outside) 1 222.172.200.20-222.172.200.30 // can this command be unavailable? And the tab key are incomplete, but you don't have to worry about it. Just press it to finish. Or global (outside) 1 222.172.200.20 2. NAT for a public network with only one fixed IP address i
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