Mikrotik + Squid

acl all src all
acl manager proto cache_object
acl localhost src 127.0.0.1/32
acl to_localhost dst 127.0.0.0/8 0.0.0.0/32
acl localnet src 192.168.88.0/24   
acl SSL_ports port 443      
acl SSL_ports port 563      
acl SSL_ports port 873      
acl Safe_ports port 80      
acl Safe_ports port 21      
acl Safe_ports port 443      
acl Safe_ports port 70      
acl Safe_ports port 210      
acl Safe_ports port 1025-65535   
acl Safe_ports port 280      
acl Safe_ports port 488      
acl Safe_ports port 591      
acl Safe_ports port 777      
acl Safe_ports port 631      
acl Safe_ports port 873      
acl Safe_ports port 901      
acl purge method PURGE
acl CONNECT method CONNECT
http_access allow manager localhost
http_access deny manager
http_access allow purge localhost
http_access deny purge
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localnet
http_access allow localhost
http_access deny all
icp_access allow localnet
icp_access deny all
htcp_access allow localnet
htcp_access allow localhost
htcp_access deny all
http_port 3128
hierarchy_stoplist cgi-bin ?
access_log /var/log/squid/access.log squid
refresh_pattern ^ftp:      1440   20%   10080
refresh_pattern ^gopher:   1440   0%   1440
refresh_pattern -i (/cgi-bin/|\?) 0   0%   0
refresh_pattern (Release|Packages(.gz)*)$   0   20%   2880
refresh_pattern .      0   20%   4320
acl shoutcast rep_header X-HTTP09-First-Line ^ICY.[0-9]
upgrade_http0.9 deny shoutcast
acl apache rep_header Server ^Apache
broken_vary_encoding allow apache
extension_methods REPORT MERGE MKACTIVITY CHECKOUT
hosts_file /etc/hosts
coredump_dir /var/spool/squid