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Hi all,

 

I am trying to use Squid Cache for the first time. My aim – is that for any HTTP response from 192.168.0.2:3001 is cached and served from the cache.

 

My config is as follows:

 

http_port 3128

 

acl localnet src 10.0.0.0/8     # RFC1918 possible internal network

acl localnet src 172.16.0.0/12  # RFC1918 possible internal network

acl localnet src 192.168.0.0/16 # RFC1918 possible internal network

acl localnet src fc00::/7       # RFC 4193 local private network range

acl localnet src fe80::/10      # RFC 4291 link-local (directly plugged) machines

 

acl SSL_ports port 443

acl Safe_ports port 80          # http

acl Safe_ports port 21          # ftp

acl Safe_ports port 443         # https

acl Safe_ports port 70          # gopher

acl Safe_ports port 210         # wais

acl Safe_ports port 280         # http-mgmt

acl Safe_ports port 488         # gss-http

acl Safe_ports port 591         # filemaker

acl Safe_ports port 777         # multiling http

acl Safe_ports port 1025-65535  # unregistered ports

 

acl CONNECT method CONNECT

 

http_access deny !Safe_ports

http_access deny CONNECT !SSL_ports

http_access allow localhost manager

http_access deny manager

 

http_access allow localnet

http_access allow localhost

http_access deny all

 

coredump_dir /squid/var/cache/squid

 

cache_dir ufs /var/spool/squid 1024 16 256

 

refresh_pattern -i http:\/\/192.168.0.2:3001\/.* 10080 100% 43200  override-lastmod

refresh_pattern ^ftp:                      1440      20%        10080

refresh_pattern ^gopher:             1440      0%          1440

refresh_pattern -i (/cgi-bin/|\?) 0             0%          0

refresh_pattern .                              0              20%        4320

 

 

The problem I am finding is that each time my client makes a call via the proxy, I see this in the logs:

 

1664219486.836  10098 10.1.1.70 TCP_MISS/201 492 POST http://192.168.0.2:3001/InternalCommunicationServices/message/email - HIER_DIRECT/192.168.0.2 application/json

 

I see the ‘TCP_MISS’,  the client receives the response from the remote server, but on subsequent calls, it continues to trigger TCP_MISS and I never manage to cache the response.

 

Please help me understand what I am missing from the configuration for my intended use case.

 

Kind regards,

Andy Armstrong 

安迪 阿姆斯特朗

Principal Specialist for Z Technologies

EMEA Squad Leader for Hybrid Cloud

Worldwide Community Leader for Hybrid Cloud

Member of the CTO Office Server & Storage EMEA

Distinguished Technical Specialist – The Open Group

IBM Master Inventor


Mobile: +447500103874

 

 

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