Squid from the scratch

Installation

• apt-get install squid

Konfiguration

• cd /etc/squid
• mv squid.conf squid.conf.org

Reduzieren auf das notwendige

• grep "^[^#]" squid.conf.org > squid.conf

Die Konfigurationsdatei

cat /etc/squid/squid.conf

#Accesslisten
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
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost manager
http_access deny manager
http_access allow localhost
http_access deny all

#Port 
http_port 3128

#Wenn Squid abstürtz wird hier ein Abbild hingeschrieben
coredump_dir /var/spool/squid

#Caching Verhalten 
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

Lan und DMZ freischalten

acl bilden

acl src lan 172.16.150.0/24
acl src dmz  10.40.115.0/24

acl anwenden(Reihenfolge ist entscheidend)

http_access allow lan
http_access allow dmz

Squid handling

Squid stop

• systemctl stop squid

Squid start

• systemctl start squid

Squid restart

• systemctl restart squid

Squid reload

• systemctl reload squid

Squid status

• systemctl status squid