failed to process outbound traffic错误提示新路由3(Newifi D2)老毛子Padavan打开v2瑞
新路由3刷的 【3.4.3.9-099_9-8-4】版本的老毛子固件，并开了 v2瑞 代理服务，也能正常扶墙 但日志里一直提示错误 并循环出现。
错误提示类似下面这样
failed to process outbound traffic > v2瑞.com/core/proxy/vmess/outbound: failed to find an available destination
客户端错误日志显示为：
2018/11/02 16:13:16 [Warning] [245238840] v2瑞.com/core/app/proxyman/outbound: failed to process outbound traffic > v2瑞.com/core/proxy/vmess/outbound: failed to find an available destination > v2瑞.com/core/common/retry: [dial tcp IP地址和端口: connectex: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. dial tcp IP地址和端口: operation was canceled] > v2瑞.com/core/common/retry: all retry attempts failed
2018/11/02 16:13:19 [Warning] [1556798153] v2瑞.com/core/app/proxyman/outbound: failed to process outbound traffic > v2瑞.com/core/proxy/vmess/outbound: failed to find an available destination > v2瑞.com/core/common/retry: [dial tcp IP地址和端口: connectex: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. dial tcp ip地址和端口: operation was canceled] > v2瑞.com/core/common/retry: all retry attempts failed
经过网上搜索和一点点瞎摸索，发现是因为防火墙的问题。
请检查服务器端系统是否有防火墙（如 Centos 的 firewall），或者端口号等配置填写是否正确。
查看是否v2瑞的配置设置错误了，可以使用下面的v2瑞配置文件生成器
生成 v2瑞 配置文件的信息，待会要用，通过以下地址生成服务端和客户端的配置文件，参数如图所示
https://intmainreturn0.com/v2瑞-config-gen/
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