acl todo src "/etc/squid/all"    <------ aqui tengo las ip que pueden accesar

acl manager proto cache_object
acl localhost src 127.0.0.1/32 ::1
acl to_localhost dst 127.0.0.0/8 0.0.0.0/32 ::1

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 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

http_access allow manager localhost
http_access deny manager


http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports

http_access allow localhost
# <------------
http_access allow todo
# And finally deny all other access to this proxy
http_access deny all

visible_hostname serverproxy

# Squid normally listens to port 3128
http_port 192.168.0.110:3128

# We recommend you to use at least the following line.
hierarchy_stoplist cgi-bin ?
cache_mem 64 MB
maximum_object_size_in_memory 32 KB
memory_replacement_policy heap GDSF

# Uncomment and adjust the following to add a disk cache directory.
cache_dir ufs /var/spool/squid 100 16 256
minimum_object_size 0 KB
maximum_object_size 64 MB
cache_swap_low 98
cache_swap_high 99
access_log /var/log/squid/access.log squid
cache_log /var/log/squid/cache.log
# Leave coredumps in the first cache dir
coredump_dir /var/spool/squid
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
 

SELINUX=disable
 

[root@serverproxy ~]# ping yahoo.com.mx
PING yahoo.com.mx (98.139.102.145) 56(84) bytes of data.
64 bytes from yahoo.com.mx (98.139.102.145): icmp_seq=1 ttl=44 time=161 ms
^C
--- yahoo.com.mx ping statistics ---
2 packets transmitted, 1 received, 50% packet loss, time 1047ms
rtt min/avg/max/mdev = 161.263/161.263/161.263/0.000 ms
[root@serverproxy ~]# ping 192.168.0.104
PING 192.168.0.104 (192.168.0.104) 56(84) bytes of data.
64 bytes from 192.168.0.104: icmp_seq=1 ttl=128 time=6.71 ms
64 bytes from 192.168.0.104: icmp_seq=2 ttl=128 time=2.33 ms
^C
--- 192.168.0.104 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1803ms
rtt min/avg/max/mdev = 2.333/4.522/6.712/2.190 ms