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 lan src 172.16.150.0/24 acl dmz src 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
Squidport checken
- netstat -ltnp | grep 3128
tcp6 0 0 :::3128 :::* LISTEN 4396/(squid-1)
Squidprozesse checken
- ps -elf | grep squid
0 S root 3010 2361 0 80 0 - 14458 poll_s 11:34 pts/1 00:00:00 vim squid.conf 1 S root 4394 1 0 80 0 - 27319 wait 15:18 ? 00:00:00 /usr/sbin/squid -YC -f /etc/squid/squid.conf 4 S proxy 4396 4394 0 80 0 - 37351 ep_pol 15:18 ? 00:00:00 (squid-1) -YC -f /etc/squid/squid.conf 4 S proxy 4397 4396 0 80 0 - 3320 unix_s 15:18 ? 00:00:00 (logfile-daemon) /var/log/squid/access.log
Webseite einschränken
Acl bilden
acl facebook url_regex -i facebook
Acl anwenden
http_access deny facebook
Logs checken
- tail -f /var/log/squid/access.log
1490008947.188 2 192.168.244.144 TCP_MISS/503 4447 GET http://detectportal.firefox.com/success.txt - HIER_NONE/- text/html
Blacklist erstellen
http-liste erstellen
vi /etc/squid/bad-sites.list
http-seiten hinzufügen
facebook.com pr0gramm.com