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+# Remote Access and Site-to-site VPN Troubleshooting References
+
+- [ASA and AnyConnect Troubleshooting TechNotes](https://www.cisco.com/c/en/us/support/security/asa-5500-series-next-generation-firewalls/products-tech-notes-list.html)
+- [AnyConnect VPN Client Troubleshooting Guide](https://www.cisco.com/c/en/us/support/docs/security/asa-5500-x-series-firewalls/212972-anyconnect-vpn-client-troubleshooting-gu.html)
+- [Site-to-Site VPNs for Firepower Threat Defense
+](https://www.cisco.com/c/en/us/td/docs/security/firepower/650/configuration/guide/fpmc-config-guide-v65/firepower_threat_defense_site_to_site_vpns.html)
+- [Remote Access VPNs for Firepower Threat Defense](https://www.cisco.com/c/en/us/td/docs/security/firepower/650/configuration/guide/fpmc-config-guide-v65/firepower_threat_defense_remote_access_vpns.html)
+- [VPN Monitoring for Firepower Threat Defense](https://www.cisco.com/c/en/us/td/docs/security/firepower/650/configuration/guide/fpmc-config-guide-v65/firepower_threat_defense_vpn_monitoring.html)
+- [VPN Troubleshooting for Firepower Threat Defense](https://www.cisco.com/c/en/us/td/docs/security/firepower/650/configuration/guide/fpmc-config-guide-v65/firepower_threat_defense_vpn_troubleshooting.html)