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My cache gived me a content-length of 0, and a 200 TCP_REFRESH_UNMODIFIED_ABORTED

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I am new to Squid, I have been trying to get this to work for almost two weeks now, and have found nothing in the archives.

This is my curl command (you will get a 403 forbidden by the time you run this dear reader):

curl -s -D - -o /dev/null -G -d "alt=media" -x "http://localhost:3128"; http://storage.googleapis.com/omgimg.appspot.com/test.jpeg -H "host:storage.googleapis.com" -H "x-amz-content-sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855" -H "x-amz-date:20210224T111631Z" -H "authorization:AWS4-HMAC-SHA256 Credential=GOOG1EGG4VCQ2EVRCJ2JCIO7ZDSZ3CY45Q72ATYZU2P32HITBFUOVQ6TEBWXI/20210224/auto/s3/aws4_request, SignedHeaders=host;x-amz-content-sha256;x-amz-date, Signature=77a60480e47dda2b65ef3ebcd72a032458685e74e2560bb9083dbb03c3f6c13d”


These are the HTTP response headers:


FIRST RUN:

HTTP/1.1 200 OK
X-GUploader-UploadID: ABg5-UwzmWjdWRPkonOxhLl3rUUik6wN3MB_ME1w1pxS5Rtmp_Cl1AAiP5G3tA9oXpFfAMnLCn5Pb8VW1mioc6GI-wJDun1S_g
Expires: Wed, 24 Feb 2021 11:20:08 GMT
Date: Wed, 24 Feb 2021 11:20:08 GMT
Cache-Control: private, max-age=0
Last-Modified: Tue, 04 Aug 2020 12:09:00 GMT
ETag: "d5b65c332fb6f80a0eade692b40b4afd"
Content-Type: image/jpeg
x-goog-hash: crc32c=6ijxaQ==
x-goog-hash: md5=1bZcMy+2+AoOreaStAtK/Q==
x-goog-storage-class: STANDARD
Accept-Ranges: bytes
Content-Length: 2296040
Server: UploadServer
X-Cache: MISS from 80396e157a13
X-Cache-Lookup: MISS from 80396e157a13:3128
Via: 1.1 80396e157a13 (squid/3.5.27)
Connection: keep-alive

Squid log: 200 2296721 TCP_MISS:HIER_DIRECT


SECOND RUN:

HTTP/1.1 200 OK
Content-Type: image/jpeg
x-goog-hash: crc32c=6ijxaQ==
x-goog-hash: md5=1bZcMy+2+AoOreaStAtK/Q==
x-goog-storage-class: STANDARD
Accept-Ranges: bytes
X-GUploader-UploadID: ABg5-UzooDZGnVTXxGIWQ2i25EasnR3glFz41FfUFvclACmZb3iDccpSXsGbRH0cr-8lofOc6Wb3knUzYMTgj_wdrzo
Expires: Wed, 24 Feb 2021 11:20:17 GMT
Date: Wed, 24 Feb 2021 11:20:17 GMT
Cache-Control: private, max-age=0
Last-Modified: Tue, 04 Aug 2020 12:09:00 GMT
ETag: "d5b65c332fb6f80a0eade692b40b4afd"
Content-Length: 0
Server: UploadServer
Age: 0
X-Cache: HIT from 80396e157a13
X-Cache-Lookup: HIT from 80396e157a13:3128
Via: 1.1 80396e157a13 (squid/3.5.27)
Connection: keep-alive

Squid log: 200 651397 TCP_REFRESH_UNMODIFIED_ABORTED:HIER_DIRECT


I don’t know why the second time round, I a) don’t get a HIT, and b) why my content-length is 0.

I think - this is the reason why - when I make these same calls in nodejs I end up with an HTTP Parse error (HPE_INVALID_CONSTANT).


My squid.conf file looks like this:

acl localnet src 0.0.0.1-0.255.255.255
acl localnet src 10.0.0.0/8
acl localnet src 100.64.0.0/10
acl localnet src 169.254.0.0/16
acl localnet src 172.16.0.0/12
acl localnet src 192.168.0.0/16
acl localnet src fc00::/7
acl localnet src fe80::/10

acl SSL_ports port 443
acl Safe_ports port 80
acl Safe_ports port 443

acl Connect_ports port 80
acl Connect_ports port 443

acl CONNECT method CONNECT

http_access deny !Safe_ports

http_access deny CONNECT !Connect_ports

http_access allow localhost manager
http_access deny manager

http_access deny to_localhost

http_access allow localnet
http_access allow localhost

http_access deny all

strip_query_terms off
refresh_pattern . 525600 100% 525600 override-expire override-lastmod ignore-reload ignore-no-cache ignore-no-store reload-into-ims ignore-must-revalidate ignore-private ignore-auth store-stale

cache_mem 2500 MB
maximum_object_size_in_memory 100 MB
memory_cache_mode always




Any direction would be greatly appreciated!




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