1. ASA5510 已经EOL建议更换到思科下一代防火墙。
2. 可以尝试使用show conn命令，将输出结果保存到本地再分析。
3. 建议使用专门的工具对网络设备传输的流量做实时监控，例如部署SNA(Secure Network Analytics).
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You can also learn more about Secure Firewall (formerly known as NGFW) through our live Ask the Experts (ATXs) session. Check out Cisco Network Security ATXs Resources [https://community.cisco.com/t5/security-knowledge-base/cisco-network-security-ask-the-experts-resources/ta-p/4416493] to view the latest schedule for upcoming sessions, as well as the useful references, e.g. online guides, FAQs.
