〈apt-cacher-ng E: Failed to fetch 503 Connection closed, check DlMaxRetries〉的留言 https://blog.richliu.com/2024/02/04/5764/apt-cacher-ng-e-failed-to-fetch-503-connection-closed-check-dlmaxretries/ Linux, 工作, 生活, 家人 Tue, 22 Apr 2025 13:12:40 +0000 hourly 1 https://wordpress.org/?v=6.6.2 留言者: js290 https://blog.richliu.com/2024/02/04/5764/apt-cacher-ng-e-failed-to-fetch-503-connection-closed-check-dlmaxretries/#comment-73083 Tue, 22 Apr 2025 13:12:40 +0000 https://blog.richliu.com/?p=5764#comment-73083 in /etc/apt-cacher-ng/acng.conf:

DnsCacheSeconds: -1
# DlMaxRetries: 2

If DlMaxRetries is default to 2, make sure ACNG is not caching DNS for the backend servers, i.e. force ACNG to do another DNS lookup for potentially different server that will not cause a http 503 error.

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