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Core issueThis issue usually occurs if the software image and the Adaptive Security Device Manager (ASDM) upgrades are not performed in incremental order.The older versions of the security appliance images do not recognize the new ASDM images, and th...

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ResolutionThe workaround to add more downloadable access control lists (ACLs) on the Cisco Secure access control server (ACS) is to use the object-group command. Refer to the example below:Configuration on the PIX/ASA:name 192.6.x.x HOST_SERVERobject...

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Core issueThis issue is documented in Cisco bug ID CSCsb99213.When the CiscoSecure ACS for Windows is upgraded to version 3.3.3, the CSAuth process can crash on the ACS Windows server. This causes users to fail authentication.The issue is intermitten...

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Core issueThis issue occurs due to the presence of Cisco bug ID CSCsc68126.The PIX Firewall can run out of free TCP sockets and in certain circumstances, they are never freed. This is seen when logging mail is enabled and connections to the SMTP serv...

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Core issueSome of the various reasons you can see these types of error messages include:ResolutionAs a workaround, complete these steps:Problem TypeTroubleshoot software featureProduct FamilyASA Hardware & SoftwareError%PIX|ASA-1-106021: Deny protoco...

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What is Certificate Authority (CA)?Certificate authority (CA) in network is an authority which issues and manages security credentials and public keys used for message encryption. As being part of  public key infrastructure (PKI),  CA checks with a r...

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