Re: TCP_MISS_ABORTED/502

Ben Toms <ben@xxxxxxxxxxx> · Fri, 12 Jul 2024 11:07:47 +0000

To test, I changed the parent url to my blog.. and was able to download an item there via squid-cache.. so the issue seems to be when downloading from a parent which requires authentication.

Regards,

Ben.

From:
Ben Toms <ben@xxxxxxxxxxx>

Date: Friday, 12 July 2024 at 10:29

To: squid-users@xxxxxxxxxxxxxxxxxxxxx <squid-users@xxxxxxxxxxxxxxxxxxxxx>

Subject: TCP_MISS_ABORTED/502

Hi Amos,

I made the changes suggested, biut still getting TCP_MISS_ABORTED/502.

The test I’m performing is via a simple curl:

curl 
https://local.server.fqdn/some/file/path -H "Authorization: Basic base64_auth" -o ~/Downloads/test

The Apache logs for the parent (public.server.fqdn), show:

[12/Jul/2024:10:16:09 +0100] "GET /some/file/path HTTP/1.1" 200 10465 "-" "curl/8.7.1"

So, Apache on the parent is responding with a 200.. and if I mess around with the curl commands base64_auth I get 401’s as expected in the parents Apache logs.

However, squids access.log still shows:

1720775769.417     49 192.168.0.156 TCP_MISS_ABORTED/502 3974 GET
https://local.server.fqdn/some/file/path - FIRSTUP_PARENT/public.ip.of.public.server text/html

Squid.conf is now:

https_port 443 accel protocol=HTTPS tls-cert=/usr/local/squid/client.pem tls-key=/usr/local/squid/client.key
cache_peer public.server.fqdn parent 443 0 no-query originserver no-digest no-netdb-exchange tls login=PASSTHRU name=myAccel forceddomain=uk-dist-a.datajar.mobi
acl our_sites dstdomain local.server.fqdn
http_access allow our_sites
cache_peer_access myAccel allow our_sites
cache_peer_access myAccel deny all
refresh_pattern -i public.server.fqdn/* 3600    80%     14400
cache_dir ufs /usr/local/squid/var/cache 100000 16 256

The file I’m attempting to cache with the above curl command is 6.5kb only.. have tried others to no avail.

It seems like squid doesn’t want to cache, and it’s not advising the client to wait as it caches.

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