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Cisco ASA iOS Upgrade or RestoreFirst, pre-upgrade preparation work1. Prepare the iOS files to be upgraded and the corresponding ASDM files2. Set up TFTP on a computer, setup the directory, and connect with the firewall (assuming the computer IP is 192.168.1.2)Second, upgrade steps1 , Telnet on the ASAasa>en//Enter privileged modeAsa#conft//Enter
PIX 525 Product Essentials and application environment
Cisco PIX 525 Firewall Application Environment
The Cisco Secure PIX 525 Firewall is part of the world's leading Cisco Secure PIX Firewall series, providing unmatched security,
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
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 aspects of work required by the user, and some step
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
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
650) this.width=650; "style=" Float:none; "title=" Picture 1.png "src=" http://s3.51cto.com/wyfs02/M01/6F/59/ Wkiom1wz6pua8yj_aaglhs2vzuw115.jpg "alt=" Wkiom1wz6pua8yj_aaglhs2vzuw115.jpg "/>Proceed to the experimental process directly below. SW1 and the SW2 The above only needs to turn off the routing function on the line. The following is an operation on the ASA firewall that launches the startup-config
URL filtering based on ASA firewall
The following describes the experiment procedure. You only need to disable the routing function on SW1 and SW2. The following is an operation on the ASA firewall to start the startup-config configuration file of ASA.Configure the IP addres
The IPSec VPN realizes the network expansion, the firewall realizes the control and the filtering to the network traffic, therefore has the influence to the IPSec VPN communication.
The default ASA maintains a state session only for UDP/TCP traffic, and therefore discards the ESP traffic that is returned. There are two ways to solve the problem
One uses ACLs to release ESP traffic.
Two applications check
)when you're done, click Save and the list below will appear. 650) this.width=650; "src=" Http://s1.51cto.com/wyfs02/M01/7F/EF/wKiom1cxybui5hfqAANuYwvSPVg635.jpg "title=" QQ picture 20160510194357.jpg "alt=" wkiom1cxybui5hfqaanuywvspvg635.jpg "/>Then press OK to save and the configuration is successful.Single-mode initialization 1. Open the GNS3, drag the ASA firewall
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
placed insideMatch Regex URL1ExitPolicy-map type Inspect HTTP http_url_policyClass Http_url_classDrop-connection LogDefines the rule detection class. Make the appropriate action to match or match the previous process(drop)ExitExitPolicy-map Inside_http_url_policyClass Tcp_filter_classInspect HTTP Http_url_policyDefine Policy-map Inside_http_url_policy, define the results of the above rules and traffic detection into a policy container (POLICY-MAP)ExitExitService-policy Inside_http_url_policy in
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
Currently, my company uses all static IP addresses. There is an ASA5505 firewall in the company, in this firewall, some users must be restricted from using certain applications, such as QQ farms. To implement these functions, we need to bind ARP to the ASA 5505 firewall, and then use the access control lists to restric
At present, the network used by my company is all static IP address, inside the company has a ASA5505 firewall, should lead the requirements, in the firewall to limit a part of users can not use certain applications (such as QQ farm, etc.), and the leader of the computer does not make any restrictions. To implement these features, we need to do an ARP binding above the
I. Overview:
Today QQ received a friend's help, the following environment, looked at the ASA configuration, the strategy is full pass, incredibly unable to access, but also puzzled.
If the use of GNS3 to build environmental testing, on both sides of the firewall grab packet, found that TCP three times handshake normal, but located inside the
ExperimentExperimental topology diagram:650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/5C/15/wKioL1UaedbRN4XgAACgbIamcMM749.jpg "title=" 1.jpg " alt= "Wkiol1uaedbrn4xgaacgbiamcmm749.jpg"/>Lab Environment:Build a web site and DNS service on the server2008 Server , creating a domain name of benet.com and the accp.com two websites. Experimental requirements:First the client can access the two Web sites on the server, and after successful URL filtering on the
I. Overview:
The acs4.x initial HTTP access Port is 2002, and subsequent ports are randomly changed by default from 1024~65535, It is not a problem to access the outside area from the inside area of ASA, but if you access inside from the outside area of the ASA, there is a problem and it is not possible to release all the acs4.x ports.
Two. Basic ideas:
A. Defining the range of changes in acs4.x dynamic
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