Squid-Kit-Transparenter-Proxy: Unterschied zwischen den Versionen
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| (Eine dazwischenliegende Version desselben Benutzers wird nicht angezeigt) | |||
| Zeile 5: | Zeile 5: | ||
=Firewall Regeln für den Transparenten Proxy= | =Firewall Regeln für den Transparenten Proxy= | ||
| + | == (iptables REDIRECT == | ||
*iptables -t nat -A PREROUTING -j REDIRECT -s 172.16.113.0/24 -p tcp --dport 80 --to-port 3129 | *iptables -t nat -A PREROUTING -j REDIRECT -s 172.16.113.0/24 -p tcp --dport 80 --to-port 3129 | ||
*iptables -t nat -A PREROUTING -j REDIRECT -s 172.16.113.0/24 -p tcp --dport 443 --to-port 3130 | *iptables -t nat -A PREROUTING -j REDIRECT -s 172.16.113.0/24 -p tcp --dport 443 --to-port 3130 | ||
| + | |||
| + | == (nftables REDIRECT) == | ||
| + | ;Tabelle und Kette anlegen: | ||
| + | *nft add table ip nat | ||
| + | *nft add chain ip nat prerouting '{ type nat hook prerouting priority dstnat; policy accept; }' | ||
| + | ;HTTP und HTTPS lokal umleiten: | ||
| + | *nft add rule ip nat prerouting tcp dport 80 redirect to :3129 | ||
| + | *nft add rule ip nat prerouting tcp dport 443 redirect to :3130 | ||
| + | |||
=Änderungen in der /etc/squid/squid.conf= | =Änderungen in der /etc/squid/squid.conf= | ||
#transparenter Zugriff unverschlüsselt | #transparenter Zugriff unverschlüsselt | ||
http_port 3129 intercept | http_port 3129 intercept | ||
#transparenter Zugriff verschlüsselt '''wichtig https_port''' | #transparenter Zugriff verschlüsselt '''wichtig https_port''' | ||
| − | https_port 3130 ssl-bump intercept cert=/etc/squid/certs/squid_proxyCA.pem generate-host-certificates=on | + | https_port 3130 ssl-bump intercept cert=/etc/squid/certs/squid_proxyCA.pem generate-host-certificates=on options=NO_SSLv3,NO_TLSv1,NO_TLSv1_1,SINGLE_DH_USE,SINGLE_ECDH_USE |
| − | |||
ssl_bump bump all | ssl_bump bump all | ||
Aktuelle Version vom 1. Juli 2025, 10:13 Uhr
Schaubild
![Bearbeiten](javascript:editDrawio("1185572602", "proxy-2.drawio.png", "png", false, false, false, true, "https://embed.diagrams.net")){kind=link}
Vorraussetzung
Firewall Regeln für den Transparenten Proxy
(iptables REDIRECT
- iptables -t nat -A PREROUTING -j REDIRECT -s 172.16.113.0/24 -p tcp --dport 80 --to-port 3129
- iptables -t nat -A PREROUTING -j REDIRECT -s 172.16.113.0/24 -p tcp --dport 443 --to-port 3130
(nftables REDIRECT)
- Tabelle und Kette anlegen
- nft add table ip nat
- nft add chain ip nat prerouting '{ type nat hook prerouting priority dstnat; policy accept; }'
- HTTP und HTTPS lokal umleiten
- nft add rule ip nat prerouting tcp dport 80 redirect to :3129
- nft add rule ip nat prerouting tcp dport 443 redirect to :3130
Änderungen in der /etc/squid/squid.conf
#transparenter Zugriff unverschlüsselt http_port 3129 intercept #transparenter Zugriff verschlüsselt wichtig https_port https_port 3130 ssl-bump intercept cert=/etc/squid/certs/squid_proxyCA.pem generate-host-certificates=on options=NO_SSLv3,NO_TLSv1,NO_TLSv1_1,SINGLE_DH_USE,SINGLE_ECDH_USE
ssl_bump bump all
Restart von Squid
- systemctl restart squid