sing box的监听端口是多少？

可以通过修改sing box的配置文件来指定监听端口，文件位置：

/Users/mcj/Library/Group Containers/group.io.nekohasekai.sfa/configs/config_1.json

从配置文件中可以看到，socks监听端口是2333，混合监听端口是2334：

{
    "dns":{
        "rules":[
            {
                "outbound":[
                    "any"
                ],
                "server":"local"
            },
            {
                "disable_cache":true,
                "geosite":[
                    "category-ads-all"
                ],
                "server":"block"
            },
            {
                "clash_mode":"global",
                "server":"remote"
            },
            {
                "clash_mode":"direct",
                "server":"local"
            },
            {
                "geosite":"cn",
                "server":"local"
            }
        ],
        "servers":[
            {
                "address":"https:\/\/1.1.1.1\/dns-query",
                "detour":"\u8282\u70b9\u9009\u62e9",
                "tag":"remote"
            },
            {
                "address":"https:\/\/223.5.5.5\/dns-query",
                "detour":"direct",
                "tag":"local"
            },
            {
                "address":"rcode:\/\/success",
                "tag":"block"
            }
        ],
        "strategy":"prefer_ipv4"
    },
    "experimental":{
        "clash_api":{
            "external_controller":"127.0.0.1:9090",
            "secret":""
        }
    },
    "inbounds":[
        {
            "auto_route":true,
            "domain_strategy":"prefer_ipv4",
            "endpoint_independent_nat":true,
            "inet4_address":"172.19.0.1\/30",
            "inet6_address":"2001:0470:f9da:fdfa::1\/64",
            "mtu":9000,
            "sniff":true,
            "sniff_override_destination":true,
            "stack":"system",
            "strict_route":true,
            "type":"tun"
        },
        {
            "domain_strategy":"prefer_ipv4",
            "listen":"127.0.0.1",
            "listen_port":2333,
            "sniff":true,
            "sniff_override_destination":true,
            "tag":"socks-in",
            "type":"socks",
            "users":[

            ]
        },
        {
            "domain_strategy":"prefer_ipv4",
            "listen":"127.0.0.1",
            "listen_port":2334,
            "sniff":true,
            "sniff_override_destination":true,
            "tag":"mixed-in",
            "type":"mixed",
            "users":[

            ]
        }
    ],
    "outbounds":[
        {
            ]
        },
            ]
        }
    ],
    "route":{
        "auto_detect_interface":true,
        "rules":[
            {
                "geosite":"category-ads-all",
                "outbound":"block"
            },
            {
                "outbound":"dns-out",
                "protocol":"dns"
            },
            {
                "clash_mode":"direct",
                "outbound":"direct"
            },
            {
                "clash_mode":"global",
                "outbound":"\u8282\u70b9\u9009\u62e9"
            },
            {
                "geoip":[
                    "cn",
                    "private"
                ],
                "outbound":"direct"
            },
            {
                "geosite":"cn",
                "outbound":"direct"
            }
        ]
    }
}