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Cisco CyberSecurity

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Core issueThis issue occurs due to the presence of Cisco bug ID CSCsc51939.This problem occurs when HTTP inspection is enabled in the PIX Firewall configuration.ResolutionFor  a workaround, disable HTTP inspection, as shown: hostname(config)# policy-...

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What is Cisco ASA?ASA in Cisco ASA stands for Adaptive Security Appliance.It is a  security device that combines firewall, antivirus, intrusion prevention, and virtual private network (VPN) capabilities.  It enable the user with  proactive threat def...

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Core issueThis error message appears when there are problems with the license. The issue can arise when one of these situations occur:There is another device registered with the same IP address.The license runs out.The license is not correct for the ...

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ResolutionDetermine if there is any explicit statement that permits this user state to disable the Cisco Security Agent (CSA) processes.Although the combination of User State != (NOT equal to) install user and a deny action implies that install user ...

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Core issueAn Easy VPN tunnel might flap due to many reasons. These reasons include a line  condition  or a hardware issue. A tunnel can even go down if it sits idle for  more than the specified time or because of stale security associations (SAs) and...

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What is Web VPN?WebVPN can be defined as a VPN connection which is established by a web browser over SSL. A VPN connection facilitates a secure channel of communication between the host and remote machine.ResolutionASA 7.x Citrix is supported in Webv...

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Core issueThe issue occurs due to the presence of Cisco bug ID CSCsc59420.This problem appears as soon as the policy static translation is used. ResolutionIn order to resolve this issue, perform either of these steps:Remove the static translation fro...

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Core issueThis issue is due to presence of Cisco bug ID CSCsd46369.In this issue the packets sent by the router or switch contain the wrong IP source address, even though the configuraiton identifies a specific interface to be used as the IP source a...

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Core issueThis error can occur due to the missing route between the source and destination network. During this time, traffic does not pass through the PIX Firewall.ResolutionAs a workaround, check whether these commands are configured in the PIX Fir...

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What is DMZ Zone?A Demilitarized Zone (DMZ) is a network segment that is separated from other networks. Majority of organizations use DMZ to separate their Local Area Networks (LAN) from the Internet. This provides additional security between the cor...

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