asa 5512

When you connect a VPN site with an external company, the IP address segment of the company that was originally used to connect with the other party is forced to become another address segment due to a change in the company's internal network, however, it is difficult for the other company to negotiate with each other. It is true that VPN cannot be used. In the previous versions of ASA, there is no way to do this. You can only add a vro inside the

I. Overview: I listened to the ASA course of yeslab's instructor QIN Ke and talked about ASA's random initialization of serial numbers to disrupt TCP. So I set up an environment for testing and found that not only is the serial number initialized by TCP disrupted, the subsequent TCP packet serial numbers will also be disrupted. ---- Postscript: After listening to the subsequent tutorials, we know that the initialization serial number is disrupted beca

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, IPS, anti-X, and VPN services. The CRLF Injection vulnerab

■ Ciscoasa # sh cpu usage this command is used to view the current CPU usage of the ASA. ■ Ciscoasa # sh memory This command is used to view the current memory usage of the ASA. Sh memory detail and sh memory binsize are used for advanced memory troubleshooting. Generally, do not use them. ■ Ciscoasa # sh blocks this command is used to view the usage of the ASA

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 Int E0/0 Nameif inside Security-Level 100 IP add 192.168.1.5 255.255.255.0 No sh I

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 this feature, let's look at the following two cases CISCO

In actual cases also encountered this kind of problem, the customer intranet has a server map on the Internet, extranet user access Global-ip no problem, but intranet users want to access Global-ip will not pass, typical is the user will intranet server made public network DNS a record, Both internal and external networks are accessed through domain names.JUNIPER series equipment including NETSCREEN/ISG/SSG no such problems, directly through the ordinary dip can be achieved, the subsequent produ

1, the experimental topology diagram :650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M01/59/49/wKioL1TPCfbgwIOLAACCEDU0i5M014.jpg "title=" Untitled. jpg "alt=" wkiol1tpcfbgwiolaaccedu0i5m014.jpg "/>1. Experiment Description :R1 as a company's site 1, the internal 1.1.1.1/32 Server needs a company site 2 of the administrator to implement remote telnet of equipment management;R5 as a company's site 2, the internal 2.2.2.2/32 Server needs a company site 1 of the administrator to implemen

In the past to see a foreigner's article, now can not remember this very good enthusiasm like my general young people, but the mailbox and he discussed the mail. There are a number of sites may have such a situation, Leverage. Inc and. ASA contains files to store database connection information, especially. Inc's files, want to get rid of the need for too much time and do a lot of program adjustments, such as I have a customer is the light. inc file h

Tags: ima self picture adb out Inter ESS any logCisco ASA 8.4 (5) Service port forwarding configuration and tin melt letter, USG configuration diagram The hottest day in Beijing was invited to debug a ASA5540. The demand is simple, with 10 people surfing the Internet, and the other is VMware external services, that is, tcp443,tcp8443 and evil 4172. Because of the operators to Www,https and other services to restrict, need

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, anti-X, and VPN services. A Security vulnerability exists in the implementation of

When the sybase asa database is shut DOWN abnormally, it is prone to exceptions, such as table or index errors. The trouble is that the database will go DOWN when you delete a table using drop table t_name. Below are two common restoration methods: Sybase asa database restoration method When the sybase asa database is shut DOWN abnormally, it is prone to except

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

Network Topology 650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M02/4B/F7/wKiom1Q2STWBG5RxAADqir0hadw389.jpg "Title =" 4.png" alt = "wkiom1q2stwbg5rxaadqir0hadw389.jpg"/> Set dynamic pat on the ASA firewall so that the Intranet can access the Internet through a public address The command is as follows: Ciscoasa (config) # NAT (inside) 11900001.0 255.255.255.0 Ciscoasa (config) # global (outside) 1 Interface Set static nat on