OpenSSL SSL_connect：SSL_ERROR_SYSCALL连接到 s0000.urlcloud.paloaltonetworks.com:443
16415
Created On 04/25/24 01:25 AM - Last Modified 07/25/25 19:02 PM
Symptom
连接到 URL 云显示“未连接”
> show url-cloud status PAN-DB URL Filtering License : valid libcurl resolver : threaded Cloud connection : not connected URL database version - device : 20240416.20323 URL protocol version - device : pan/0.0.2在系统日志下，将经常观察到以下一组日志
2024/03/17 18:34:08 high url-fil url-clo 0 CURL ERROR: OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to serverlist3.urlcloud.paloaltonetworks.com:443 2024/03/17 18:33:33 high url-fil url-clo 0 CURL ERROR: OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to serverlist.urlcloud.paloaltonetworks.com:443 2024/03/17 18:32:57 high url-fil url-clo 0 CURL ERROR: OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to serverlist3.urlcloud.paloaltonetworks.com:443 2024/03/17 18:32:22 high url-fil url-clo 0 CURL ERROR: OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to serverlist.urlcloud.paloaltonetworks.com:443 2024/03/17 18:31:40 high url-fil url-clo 0 CURL ERROR: OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to serverlist2.urlcloud.paloaltonetworks.com:443 2024/03/17 18:31:05 high url-fil url-clo 0 CURL ERROR: OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to s0000.urlcloud.paloaltonetworks.com:443 2024/03/17 18:30:28 high url-fil url-clo 0 CURL ERROR: OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to serverlist2.urlcloud.paloaltonetworks.com:443 2024/03/17 18:29:54 high url-fil url-clo 0 CURL ERROR: OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to s0000.urlcloud.paloaltonetworks.com:443 2024/03/17 18:29:17 high url-fil url-clo 0 CURL ERROR: OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to serverlist2.urlcloud.paloaltonetworks.com:443 2024/03/17 18:28:42 high url-fil url-clo 0 CURL ERROR: OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to s0000.urlcloud.paloaltonetworks.com:443
Environment
PAN-OS 10.1 或更高版本
Cause
与 PAN-DB 的连接问题
Resolution
1. 将管理接口下的 MTU 降低到较低的值。 也许您可以将其从 1500 t0 1400
2 更改为。 使用从管理接口到数据端口的服务路由，以便连接到管理服务器
3。 再次
下载 URL 数据库>请求 URL 过滤下载状态 供应商 paloaltonetworks
4. 请咨询 ISP 是否有任何问题