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Updated Troubleshooting (markdown)

clowwindy 2014-06-23 02:08:32 -07:00
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Troubleshooting.md

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4. 如果本地端没有收到请求，检查浏览器代理设置，检查本地防火墙。如果日志中只有 IP 没有域名，确保你本地做了防 DNS 污染，否则就配置浏览器远程解析域名。
5. 如果服务端没有收到请求，检查服务器防火墙，在本地用 tcping 等端口扫描工具检查服务器端口有没有打开。
6. 如果服务端收到了请求，但浏览器没有载入内容，检查服务端的 DNS `/etc/resolv.conf`，改为 `8.8.8.8` 再重启服务端。
7. 如果服务端速度慢，可能无良 ISP 做了 QoS，更换端口到 `80` `25` `443` `995` `3389` 等常用端口再测试。
8. 如果服务端启动时提示权限问题，可能是系统限制了 <1024 端口权限，用 iptables 做转发即可 `iptables -t nat -A PREROUTING -p tcp --dport 995 -j REDIRECT --to-ports 8387`
When you have problems, follow the steps below to diagnose:
@ -14,4 +16,6 @@ When you have problems, follow the steps below to diagnose:
3. Check server logs to see if the server received requests from your client.
4. If the client did not receive any requests, check proxy settings and local firewall.
5. If the server did not receive any requests, check server firewall and use `tcping` to check server port.
6. If the server received requests but your browser got no responses, check the DNS on your server. Change it into `8.8.8.8`, restart your server and test again.
6. If the server received requests but your browser got no responses, check the DNS on your server. Change it into `8.8.8.8`, restart your server and test again.
7. If the server is slow, change your server port into common port like `80` `25` `443` `995` `3389`.
8. If you see `Permission Denied` when server starts, use `iptables` to redirect ports<1024 to ports>1024 `iptables -t nat -A PREROUTING -p tcp --dport 995 -j REDIRECT --to-ports 8387`