LDAP User Fails Authentication due to NTLMSSP Seeīypassing Authentication with Problematic User Agents. Web Security Appliance, which in turn repeatedly sends requests to the Active Directory servers with machine credentials, sometimes to the pointīypass authentication with these user agents. When certain user agents or applications fail to authenticate and are denied access, they repeatedly send requests to the Wireshark is a packet analyzer you can use for network Active Directory Explorer for viewing and editing anĪctive directory.
(both part of the Windows Server Resources Kit) for viewing and purging a ( /data/pub/audit_logs/audit_log.current). These certificates are replaced while loading the saved configuration.Īll certificate validation failures are logged in the audit logs
Included certificates will not be trusted and the reload will fail. A certificate cannot be uploaded to the Web Security Appliance if the complete certificate path is untrusted.Īlso, when reloading an older configuration, its likely that the Via UI pages such as HTTPS Proxy, Certificate Management, Identity Provider for SaaS, ISE configuration, Authentication configuration,Įnsure that the certificate’s signer CAs have been added as “Custom Trusted Certificate Authorities” on the Certificate Management SeeĬertificates which were accepted by your Web Security Appliance prior to upgrading to AsyncOS 10.5 might be rejected when they are uploaded again, regardless of upload method. If it works, enable CSP encryption and test it again. If it works, enable FIPS mode and test itĪgain. Logs to include the following custom fields:Īccess Log Format Specifiers and W3C Log File Fields.Ĭheck the following topics if you encounter encryption and certificate problems after you upgraded your Web Security Appliance to AsyncOS 10.5, and enabled FIPS mode and CSP encryption.Įnabled FIPS-mode CSP encryption, but doesn’t work after encryption is enabled,ĭetermine if the CSP encryption is the problem. Enabling Remote Access to the ApplianceĪppendix contains the following sections:.Gathering Information for Efficient Service.Downloading or Deleting Packet Capture Files.General Troubleshooting for Virtual Appliances Running on Linux Hosts.Slow Performance, Watchdog Issues, and High CPU Usage on KVM Deployments.Network Connectivity on KVM Deployments Works Initially, Then Fails.Do Not Use Force Reset, Power Off, or Reset Options During AsyncOS Startup.Unable to Route FTP Requests Via an Upstream Proxy.Upstream Proxy Does Not Receive Basic Credentials.Cannot Access URLs that Do Not Support Authentication.Hardware Appliances: Remotely Resetting Appliance Power.Virtual Appliance Running on KVM Hangs on Reboot.Problems with File Reputation and File Analysis.Policy Troubleshooting Tool: Policy Trace.Policy Trace Mismatch after Modifying Policy Parameters.User Matches Global Policy for HTTPS and FTP over HTTP Requests.HTTPS and FTP over HTTP Requests Match only Access Policies that Do Not Require Authentication.
Identification Profile Disappeared from Policy.Access Policy not Configurable for HTTPS.Problem Using Third-Party Log-Analyzer Tool with W3C Access Logs.Alert: Unable to Maintain the Rate of Data Being Generated.Custom URL Categories Not Appearing in Access Log Entries.Malformed Feed File Following Copy and Paste.Issues Downloading An External Live Feed File.Problems with Custom and External URL Categories.Log Output Indicating Certificate Issue.Alert: Problem with Security Certificate.Conditions and Restrictions for Exceptions to Blocking for Embedded and Referred Content.Bypassing Decryption for Particular Websites.Different Client “Hello” Behavior for Custom and Default Categories.HTTPS with IP-based Surrogates and Transparent Requests.Accessing HTTPS Sites Using Routing Policies with URL Category Criteria.Alert: Battery Relearn Timed Out (RAID Event) on 380 or 680 Hardware.Chrome Browser Not Detected As User Agent in FTP-over-HTTP Requests.Zero Byte File Appears On FTP Servers After File Upload.
URL Categories Do Not Block Some FTP Sites.Alert: Failed to Bootstrap the DNS Cache.Blocking DOS Executable Object Types Blocks Updates for Windows OneCare.Some Microsoft Office Files Not Blocked.Users Erroneously Prompted for Credentials.
LDAP Authentication Fails due to LDAP Referral.LDAP User Fails Authentication due to NTLMSSP.Failed Authentication Impacts Normal Operations.Troubleshooting Tools for Authentication Issues.Integrating with Cisco SecureX and Cisco Threat Response.Secure Appliance Reports on the New Web Interface.Integrate the Cisco Identity Services Engine (ISE) / ISE Passive Identity Controller (ISE-PIC).Appliance to a Cisco Cloud Web Security Proxy