[Bug] prefer_ipv4 是否有bug,影响到了纯 ipv6 解析
without-yy opened this issue · comments
summerLu commented
在提交之前,请确认
- 我已经尝试搜索过 Issue ,但没有找到相关问题。
- 我正在使用最新的 mosdns 版本(或者最新的 commit),问题依旧存在。
- 我仔细看过 wiki 后仍然无法自行解决该问题。
- 我非常确定这是 mosdns 核心的问题。(如果是通过第三方衍生软件使用 mosdns 核心,不确定问题源头时,请先向衍生软件开发者提交问题。)
mosdns 版本
v5.3.1
操作系统
openwrt
Bug 描述和复现步骤
日志没有报错信息, nslookup 6.ipw.cn 获取 ip 时有时无
Dnsmasq 已经将53转发到 mosdns 8338 ,并关闭了缓存
root@iStoreOS:~# nslookup 6.ipw.cn
Server: 127.0.0.1
Address: 127.0.0.1:53
Non-authoritative answer:
Non-authoritative answer:
root@iStoreOS:~# nslookup 6.ipw.cn
Server: 127.0.0.1
Address: 127.0.0.1:53
Non-authoritative answer:
Non-authoritative answer:
Name: 6.ipw.cn
Address: 2400:8905::f03c:94ff:fe1c:a95e
root@iStoreOS:~# nslookup 6.ipw.cn
Server: 127.0.0.1
Address: 127.0.0.1:53
Non-authoritative answer:
Non-authoritative answer:
root@iStoreOS:~# nslookup 6.ipw.cn
Server: 127.0.0.1
Address: 127.0.0.1:53
Non-authoritative answer:
Non-authoritative answer:
使用的配置文件
log:
level: info
file: "/var/log/mosdns.log"
# API 入口设置
api:
http: "0.0.0.0:8339"
include: []
plugins:
# 转发至 DNS 服务器
- tag: forward_local
type: forward
args:
concurrent: 3
upstreams:
- addr: "tls://223.5.5.5"
- addr: "tls://223.6.6.6"
- addr: "tls://1.12.12.12"
- addr: "tls://120.53.53.53"
- tag: main
type: sequence
args:
- matches:
- qtype 12
exec: reject 3
- exec: prefer_ipv4
- exec: $forward_local
# 启动 udp 服务器。
- tag: udp_server
type: udp_server
args:
entry: main
listen: ":8338"
# 启动 tcp 服务器。
- tag: tcp_server
type: tcp_server
args:
entry: main
listen: ":8338"
### mosdns 的 log 记录
```txt
2024-05-13 02:06:35 INFO unpacking entry {"tag": "cn", "length": 10701, "file": "/var/mosdns/geoip_cn.txt"}
2024-05-13 02:06:35 INFO unpacking entry {"tag": "cn", "length": 75261, "file": "/var/mosdns/geosite_cn.txt"}
2024-05-13 02:06:35 INFO unpacking entry {"tag": "geolocation-!cn", "length": 24953, "file": "/var/mosdns/geosite_geolocation-!cn.txt"}
2024-05-13T02:06:36.313Z INFO loading plugin {"tag": "forward_local", "type": "forward"}
2024-05-13T02:06:36.314Z INFO loading plugin {"tag": "main", "type": "sequence"}
2024-05-13T02:06:36.314Z INFO loading plugin {"tag": "udp_server", "type": "udp_server"}
2024-05-13T02:06:36.315Z INFO udp_server udp server started {"addr": "[::]:8338"}
2024-05-13T02:06:36.315Z INFO loading plugin {"tag": "tcp_server", "type": "tcp_server"}
2024-05-13T02:06:36.315Z INFO tcp_server tcp server started {"addr": "[::]:8338", "tls": false}
2024-05-13T02:06:36.316Z INFO all plugins are loaded
2024-05-13T02:06:36.316Z INFO starting api http server {"addr": "0.0.0.0:8339"}
summerLu commented
可能是上游不稳定,这会测试几乎都是成功