Troubleshooting TechNotes
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Cisco Web Security Appliance S390
- Troubleshoot Secure Web Appliance DNS Service 06/Jul/2023
- Troubleshoot Unusual Process States in SWA 06/Jul/2023
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Cisco Web Security Appliance S190
- Determine Decryption Rate in SWA 06/Jul/2023
- Troubleshoot Secure Web Appliance DNS Service 06/Jul/2023
- Troubleshoot Unusual Process States in SWA 06/Jul/2023
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- 502 / 504 GATEWAY_TIMEOUT errors when browsing to certain sites 25/Jul/2014
- Access Secure Web Appliance Logs 08/May/2024
- Auth fails through WSA when client uses NEGOEXTS 17/Mar/2017
- Bypass Microsoft Updates Traffic in Secure Web Appliance 14/Feb/2025
- Clear Cache on Secure Web Appliance 02/May/2024
- Content Security Appliance Downloads, Updates or Upgrades using a Static Host 02/Aug/2017
- ESA, SMA, and WSA Grep with Regex to Search Logs 16/Jul/2014
- ESA, SMA, and WSA Queries with the snmpwalk Command Configuration Example 30/Mar/2020
- Ensure Proper Virtual WSA HA Group Functionality in a VMware Environment 30/Jul/2015
- FAQ for Remote Access on Cisco ESA/WSA/SMA 16/Dec/2025
- Fix EUN Page Display Errors on SWA for Explicit HTTPS Requests 14/Apr/2025
- How To Exempt Office 365 Traffic From Authentication and Decryption on Cisco Web Security Appliance (WSA) 14/Aug/2019
- How are SenderBase Reputation Scores (SBRS) determined, and what do they mean? 13/Oct/2014
- How do I backup the configuration on a Cisco Web or Email Security Appliance? 13/Oct/2014
- How do I configure Policy Based Routing (PBR) on a Cisco Multilayer Switch or Router to forward traffic to the WSA? 05/Aug/2014
- How do I configure manual DNS entries on the Web Security Appliance? 13/Oct/2014
- How do I configure my WSA to do LDAP Authentication Group Policy? 15/Jul/2014
- How do I determine which version of software is running on my Cisco Web/Email/Management Security Appliance? 10/Nov/2017
- How do I export and convert a pfx CA root certificate and key from a Microsoft CA server 22/Aug/2014
- How do I properly set up NTLM with SSO (credentials sent transparently)? 15/Jul/2014
- How do you redirect URLs using the Cisco Web Security Appliance? 12/Aug/2014
- How to Block Unknown Applications on Secure Web Appliance 07/Apr/2022
- How to Prevent the Web Security Appliance to Be an Open Proxy 16/Jan/2018
- How to configure Cisco Web Security Appliance and RSA DLP network to interoperate? 31/Jul/2014
- Integrate Secure Endpoint Private Cloud with Secure Web and Email 25/Oct/2024
- Microsoft Windows Update Fails When Connecting Through the WSA When Authentication is Enabled 21/Jun/2016
- Prevent a User From Attaching a File to a Gmail Email 12/Dec/2017
- Proactively Monitoring Performance of WSA Using SNMP 05/Jun/2017
- Reset the ESA/SMA/WSA to the Factory Default Configuration 20/Jun/2017
- SenderBase Frequently Asked Questions 13/Oct/2014
- Submit a Support Request from the ESA, SMA, or WSA 27/Apr/2015
- Troubleshoot Secure Web Appliance Latency 26/Jun/2025
- Troubleshoot Secure Web Appliance Performance with SHD Logs 17/Jan/2025
- Troubleshoot Secure Web Appliance and Advanced Malware Protection Logs (ampverdict) 18/May/2022
- Troubleshoot Smart License in Secure Web Appliance 08/Sep/2023
- Troubleshoot vESA Unable to Download and Apply Antispam or Antivirus Updates 21/Feb/2026
- Understand HTTPS Accesslog Format in Secure Web Appliance 02/May/2024
- Understand Packet Flow in Secure Web Appliance 08/May/2024
- Understand Secure Web Appliance Release Changes 04/Jun/2026Updated
- User-to-IP Mappings No Longer Appear in Cisco CDA after March 2017 Microsoft Update 13/Apr/2017
- Using GREP to filter the access logs 15/Jul/2014
- WCCP Router Configuration Example 12/Aug/2014
- WSA Behavior on Path MTU Discovery with Use of WCCP 17/Mar/2015
- WSA Certificate Usage for HTTPS Decryption 11/Jun/2014
- WSA FAQ: How do you troubleshoot WCCP between a Cisco WSA and a Cisco router/switch? 01/Jul/2014
- WSA New Trusted Root Certificate bundle update April 2017 12/Apr/2017
- Web Security Appliance Design Guide 30/Oct/2020
- What do 'invalid DNS Response' errors in system logs mean? 13/Oct/2014
- What do the different HTTP response codes mean? 12/Aug/2014
- What is a Proxy Pac file and are there any examples? 24/Jul/2014
- What types of FTP proxy does the WSA support? 10/Feb/2017
- When attempting to upgrade, why do I get the error Failure downloading upgrade list. "Error performing upgrade: I/O error"? 14/Oct/2014
- Why am I getting "Bad Request (Request Header Too Long)" error when going through the proxy? 12/Aug/2014
- Why is the interface at Half-Duplex even though both sides are set to Full-Duplex? 12/Aug/2014
Support Documentation
Troubleshooting