英文:
Caddy server tries to open port 80 instead if 8090
问题
以下是翻译好的内容：
这是我的Caddyfile配置文件：
localhost:8090
# log log/access.log
# tls sec/cert.pem sec/key.pem
这是我尝试运行一个Golang应用程序的命令：
% caddy run
2023/06/06 03:55:25.997 INFO 使用相邻的Caddyfile
2023/06/06 03:55:25.999 INFO admin 管理端点已启动 {"address": "localhost:2019", "enforce_origin": false, "origins": ["//localhost:2019", "//[::1]:2019", "//127.0.0.1:2019"]}
2023/06/06 03:55:26.000 INFO tls.cache.maintenance 启动后台证书维护 {"cache": "0xc000215c00"}
2023/06/06 03:55:26.000 INFO http 启用自动HTTP->HTTPS重定向 {"server_name": "srv0"}
2023/06/06 03:55:26.001 INFO tls 清理存储单元 {"description": "FileStorage:/home/me123/.local/share/caddy"}
2023/06/06 03:55:26.001 INFO tls 完成清理存储单元
2023/06/06 03:55:26.044 INFO pki.ca.local 根证书已被系统信任 {"path": "storage:pki/authorities/local/root.crt"}
2023/06/06 03:55:26.044 INFO http 启用HTTP/3监听器 {"addr": ":8090"}
2023/06/06 03:55:26.044 INFO http.log 服务器正在运行 {"name": "srv0", "protocols": ["h1", "h2", "h3"]}
2023/06/06 03:55:26.044 INFO tls.cache.maintenance 停止后台证书维护 {"cache": "0xc000215c00"}
错误：加载初始配置：加载新配置：http应用模块：启动：监听 :80：绑定权限被拒绝
这与端口80有什么关系？我想在8090上运行它，为什么不起作用？
英文:
Here's my Caddyfile:
localhost:8090
# log log/access.log
# tls sec/cert.pem sec/key.pem
Here's I'm trying to run a Golang app:
% caddy run
2023/06/06 03:55:25.997 INFO using adjacent Caddyfile
2023/06/06 03:55:25.999 INFO admin admin endpoint started {"address": "localhost:2019", "enforce_origin": false, "origins": ["//localhost:2019", "//[::1]:2019", "//127.0.0.1:2019"]}
2023/06/06 03:55:26.000 INFO tls.cache.maintenance started background certificate maintenance {"cache": "0xc000215c00"}
2023/06/06 03:55:26.000 INFO http enabling automatic HTTP->HTTPS redirects {"server_name": "srv0"}
2023/06/06 03:55:26.001 INFO tls cleaning storage unit {"description": "FileStorage:/home/me123/.local/share/caddy"}
2023/06/06 03:55:26.001 INFO tls finished cleaning storage units
2023/06/06 03:55:26.044 INFO pki.ca.local root certificate is already trusted by system {"path": "storage:pki/authorities/local/root.crt"}
2023/06/06 03:55:26.044 INFO http enabling HTTP/3 listener {"addr": ":8090"}
2023/06/06 03:55:26.044 INFO http.log server running {"name": "srv0", "protocols": ["h1", "h2", "h3"]}
2023/06/06 03:55:26.044 INFO tls.cache.maintenance stopped background certificate maintenance {"cache": "0xc000215c00"}
Error: loading initial config: loading new config: http app module: start: listening on :80: listen tcp :80: bind: permission denied
What does it have to do with port 80? I want to run it on 8090, why doesn't it work?
答案1
得分: 0
Caddy在启用HTTP->HTTPS重定向时将监听端口80。请参考此报告的问题。根据该问题中的评论，你可以通过以下方式解决该问题：
- 使用
--disable-redirects选项运行Caddy - 或者在Caddyfile中使用
http_port全局选项来更改Caddy用于HTTP的端口。
实际上，在官方文档中提到了这一点（没有解释）：
如果你的操作系统上的HTTP和HTTPS端口（分别为80和443）是特权端口，你需要以提升的权限运行或使用更高的端口。要使用更高的端口，只需将地址更改为类似
localhost:2015的内容，并使用Caddyfile选项http_port更改HTTP端口。
英文:
http enabling automatic HTTP->HTTPS redirects
Caddy will listen on port 80 when HTTP->HTTPS redirect is enabled. See this reported issue. According to the comments in that issue, you can address the issue by
- either running Caddy with the
--disable-redirectsoption - or changing the port that Caddy uses for HTTP by using the
http_portglobal option in a Caddyfile.
In fact, it's mentioned in the official doc (without an explanation):
> If the HTTP and HTTPS ports (80 and 443, respectively) are privileged ports on your OS, you will either need to run with elevated privileges or use a higher port. To use a higher port, just change the address to something like localhost:2015 and change the HTTP port using the http_port Caddyfile option.
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