[squid-users] no response from the proxy squid parent

[yannick.rousseau at tutanota.com]

Hi, 

I'm using squid (4.6) on my server (debianedu buster LTSP), and I'm trying to configure a parent proxy.

At first, when I configure the client's firefox (manual proxy configuration) with the ip and port of the parent proxy, it's ok, I can surf on the internet. 

But I would like to configure my server's Squid Proxy to forward to a parent proxy (172.16.103.254:3128)
-> So I add these two lines at the end of squid.conf:
cache_peer 172.16.103.254 parent 3128 0 no-query no-digest
never_direct allow all

-> And restart squid. It seems to be ok:
# cat /var/log/squid/cache.log
(.....)
2020/06/23 09:51:12 kid1| Configuring Parent 172.16.103.254/3128/0
(....)

-> Then I configure firefox to use system proxy settings, but when I try to google something or visit debian-fr.org, it doesn't work (no reponse from the proxy). But my squid's configuration seems to be ok:
# cat /var/log/squid/access.log
(....)
1592921221.753    138 10.0.2.2 TCP_TUNNEL/403 361 CONNECT www.google.com:443 <http://www.google.com:443/> - FIRSTUP_PARENT/172.16.103.254 -
1592921275.641    521 10.0.2.2 TCP_MISS/403 4289 GET http://www.debian-fr.org/ - FIRSTUP_PARENT/172.16.103.254 text/html
1592921275.692      0 10.0.2.2 TCP_HIT/200 13072 GET
(...)

Is it possible that the squid parent refuse to have "a child" ?

Thanks a lot for your help.




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