новый вариант squid.conf

http_port 3128 transparent
cache_mem 100 MB
cache_dir ufs /usr/local/squid/cache 5000 64 256
cache_swap_high 95
cache_swap_low 80

acl SSL_ports port 443 563
acl Safe_ports port 80          # http
acl Safe_ports port 21          # ftp
acl Safe_ports port 443 563     # https, snews
acl Safe_ports port 70          # gopher
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

cache_effective_user squid
#cache_effective_user nobody

maximum_object_size 4096 KB
minimum_object_size 0 KB
maximum_object_size_in_memory 20 KB
memory_pools off

range_offset_limit 0 KB

#cache_effective_user cache
#cache_effective_group cache
cache_effective_user squid
cache_effective_group squid

visible_hostname proxy.local

acl manager proto cache_object
acl localhost src 127.0.0.1/255.255.255.255
acl all src 0.0.0.0/0.0.0.0
acl home src 10.0.0.0/255.255.255.0

http_access deny manager all
http_access allow localhost
http_access allow home
http_access deny all

icp_access allow home
icp_access deny all

miss_access allow home
miss_access deny all