當(dāng)出現(xiàn)訪問異常時(shí),首先應(yīng)進(jìn)行基礎(chǔ)網(wǎng)絡(luò)診斷:
ping 8.8.8.8
測試本地網(wǎng)絡(luò)連通性nslookup 域名
驗(yàn)證DNS解析是否正常tracert 域名
檢查路由追蹤結(jié)果登錄騰訊云控制臺(tái)進(jìn)行實(shí)例狀態(tài)核查:
常見配置問題排查步驟:
協(xié)議 | 端口 | 源地址 |
---|---|---|
HTTP | 80 | 0.0.0.0/0 |
HTTPS | 443 | ::/0 |
Linux服務(wù)器需檢查iptables規(guī)則,Windows服務(wù)器需驗(yàn)證防火墻入站規(guī)則
通過命令驗(yàn)證服務(wù)監(jiān)聽狀態(tài):
# Linux系統(tǒng)
sudo netstat -tuln | grep :80
# Windows系統(tǒng)
netstat -an | findstr :80
若未監(jiān)聽需檢查Web服務(wù)配置,特別注意Nginx/Apache配置文件語法
建議按照網(wǎng)絡(luò)層→實(shí)例層→服務(wù)層的順序進(jìn)行系統(tǒng)化排查,定期檢查安全組規(guī)則與資源監(jiān)控儀表盤。對(duì)于403類錯(cuò)誤需重點(diǎn)檢查文件權(quán)限和Web服務(wù)器配置
2025-03-11
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