Downloading http://archive.debian.org/debian-security/dists/stretch/updates/InRelease...
Error downloading http://archive.debian.org/debian-security/dists/stretch/updates/InRelease: http://archive.debian.org/debian-security/dists/stretch/updates/InRelease: Get "http://archive.debian.org/debian-security/dists/stretch/updates/InRelease": http: error connecting to proxy http://127.0.0.1:3137: dial tcp 127.0.0.1:3137: connection refused retrying...
Retrying 0 http://archive.debian.org/debian-security/dists/stretch/updates/InRelease...
Giving up on http://archive.debian.org/debian-security/dists/stretch/updates/InRelease...
Downloading http://archive.debian.org/debian-security/dists/stretch/updates/Release...
Error downloading http://archive.debian.org/debian-security/dists/stretch/updates/Release: http://archive.debian.org/debian-security/dists/stretch/updates/Release: Get "http://archive.debian.org/debian-security/dists/stretch/updates/Release": http: error connecting to proxy http://127.0.0.1:3137: dial tcp 127.0.0.1:3137: connection refused retrying...
Retrying 0 http://archive.debian.org/debian-security/dists/stretch/updates/Release...
Giving up on http://archive.debian.org/debian-security/dists/stretch/updates/Release...
ERROR: unable to fetch mirror: http://archive.debian.org/debian-security/dists/stretch/updates/Release: Get http://archive.debian.org/debian-security/dists/stretch/updates/Release: http: error connecting to proxy http://127.0.0.1:3137: dial tcp 127.0.0.1:3137: connection refused