Hi, is Squid running in the same docker container as the application? Have you tried using a non-loopback address to connect to squid?
On Sun, Sep 7, 2025 at 10:49 PM [email protected] <[email protected]> wrote: > > Hello, > > > > I have downloaded squid proxy application to test java spring webclient proxy > setting. When I am running the application as a java application, I am able > to modify squid.conf and pass the netty reactor http request via proxy > tunnel. But when I am running the application in a docker container, the > connection to proxy (http:127.0.0.1:3128) is getting refused. > > > > I tried to allow all the traffic as well as allow docker subnet. I have used > the following rules. > > # > > # Recommended minimum configuration: > > # > > # Prefer IPv4 addresses first > > dns_v4_first on > > > > # Example rule allowing access from your local networks. > > # Adapt to list your (internal) IP networks from where browsing > > # should be allowed > > acl localnet src 10.89.0.0/24 # podman kube subnet > > acl localnet src 0.0.0.1-0.255.255.255 # RFC 1122 "this" network (LAN) > > acl localnet src 10.0.0.0/8 # RFC 1918 local private network (LAN) > > acl localnet src 100.64.0.0/10 # RFC 6598 shared address space (CGN) > > acl localnet src 169.254.0.0/16 # RFC 3927 link-local (directly > plugged) machines > > #acl localnet src 172.16.0.0/12 # RFC 1918 local private network (LAN) > > #acl localnet src 192.168.0.0/16 # RFC 1918 local private > network (LAN) > > #acl localnet src fc00::/7 # RFC 4193 local private network range > > #acl localnet src fe80::/10 # RFC 4291 link-local (directly > plugged) machines > > acl localhost src 127.0.0.1/32 > > acl all src all > > #acl all src 0.0.0.0/0 > > #acl to_localhost dst 127.0.0.1/32 > > #acl udlsimulator dst 127.0.0.1/32 > > > > acl SSL_ports port 443 > > acl Safe_ports port 80 # http > > acl safe_ports port 8080 > > acl Safe_ports port 21 # ftp > > acl Safe_ports port 443 # https > > acl Safe_ports port 210 # wais > > acl Safe_ports port 1025-65535 # unregistered ports > > 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 CONNECT method CONNECT > > > > #Specify hosts file > > hosts_file /etc/hosts > > > > http_access allow all > > http_access allow localnet > > > > > > However, the squid proxy is refusing connection to the docker application > > > > > > Thank you, > > Somdatta > > > > SW Engineer, > > 8201 E McDowell Road, > > Scottsdale AZ 85257 > > Ph:480.441.3703 > > > > > > This message and/or attachments may include information subject to GDC4S O.M. > 1.8.6 and GD Corporate Policy 07-105 and are intended to be accessed only by > authorized recipients. Use, storage and transmission are governed by General > Dynamics and its policies. Contractual restrictions apply to third parties. > Recipients should refer to the policies or contract to determine proper > handling. Unauthorized review, use, disclosure or distribution is > prohibited. If you are not an intended recipient, please contact the sender > and destroy all copies of the original message. > > > > _______________________________________________ > NOC mailing list > [email protected] > https://lists.squid-cache.org/listinfo/noc -- Francesco _______________________________________________ squid-users mailing list [email protected] https://lists.squid-cache.org/listinfo/squid-users
