Squid-kerberos: Unterschied zwischen den Versionen

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=msktutils=
 
=msktutils=
 
*apt-get install msktutil
 
*apt-get install msktutil
 +
*[[Was mach mskutil]]
  
 
=create computeraccount and a local keytab=
 
=create computeraccount and a local keytab=
 
*kinit administrator
 
*kinit administrator
−
PROXY="proxy.lab34.linuggs.de"
+
*msktutil -c -b "CN=Computers" -s HTTP/proxy.lab34.linuggs.de -k /etc/squid/krb5.keytab --computer-name proxy --upn HTTP/proxy.lab34.linuggs.de --server win2022.lab34.linuggs.de -N
−
DN="win2022.lab34.linux.de"
+
*chown proxy:proxy /etc/squid/krb5.keytab
−
*msktutil -c -b "CN=Computers" -s HTTP/$PROXY -k /etc/squid/PROXY.keytab --computer-name PROXYSRV-HTTP --upn HTTP/$PROXY --server $DN -N
 
−
chown proxy.proxy /etc/squid3/PROXY.keytab
 
  
 
=Kerberos Ticket update=
 
=Kerberos Ticket update=
−
*msktutil --auto-update  --computer-name PROXYSRV-HTTP --server $DN -s HTTP/$PROXY -k /etc/squid/PROXY.keytab -N
+
*msktutil --auto-update  --computer-name proxy --server win2022.lab34.linuggs.de -s HTTP/proxy.lab34.linuggs.de -k /etc/squid/krb5.keytab -N
 +
 
 
=Crontab=
 
=Crontab=
−
*echo "0 4  *  *  * msktutil --auto-update --computer-name PROXY --server $DN -s HTTP/$PROXY -k /etc/squid/PROXY.keytab -N"  | crontab
+
*echo "0 4  *  *  * msktutil --auto-update --computer-name proxy --server win2022.lab34.linuggs.de -s HTTP/proxy.lab34.linuggs.de -k /etc/squid/krb5.keytab -N"  | crontab
  
 
=/etc/default/squid3=
 
=/etc/default/squid3=
 
*systemctl edit squid
 
*systemctl edit squid
−
  Environment="KRB5_KTNAME=/etc/squid3/PROXY.keytab"
+
  Environment="KRB5_KTNAME=/etc/squid/krb5.keytab"
  
 
= /etc/squid/squid.conf =
 
= /etc/squid/squid.conf =
−
  <pre>
+
  acl localnet src 0.0.0.1-0.255.255.255 # RFC 1122 "this" network (LAN)
−
acl localnet src 0.0.0.1-0.255.255.255 # RFC 1122 "this" network (LAN)
+
acl localnet src 10.0.0.0/8           # RFC 1918 local private network (LAN)
−
acl localnet src 10.0.0.0/8 # RFC 1918 local private network (LAN)
+
acl localnet src 100.64.0.0/10         # RFC 6598 shared address space (CGN)
−
acl localnet src 100.64.0.0/10 # RFC 6598 shared address space (CGN)
+
acl localnet src 169.254.0.0/16       # RFC 3927 link-local (directly plugged) machines
−
acl localnet src 169.254.0.0/16 # RFC 3927 link-local (directly plugged) machines
+
acl localnet src 172.16.0.0/12         # RFC 1918 local private network (LAN)
−
acl localnet src 172.16.0.0/12 # RFC 1918 local private network (LAN)
+
acl localnet src 192.168.0.0/16               # RFC 1918 local private network (LAN)
−
acl localnet src 192.168.0.0/16 # RFC 1918 local private network (LAN)
+
acl localnet src fc00::/7             # RFC 4193 local private network range
−
acl localnet src fc00::/7       # RFC 4193 local private network range
+
acl localnet src fe80::/10             # RFC 4291 link-local (directly plugged) machines
−
acl localnet src fe80::/10     # RFC 4291 link-local (directly plugged) machines
+
acl SSL_ports port 443
−
acl SSL_ports port 443
+
acl Safe_ports port 80         # http
−
acl Safe_ports port 80 # http
+
acl Safe_ports port 21         # ftp
−
acl Safe_ports port 21 # ftp
+
acl Safe_ports port 443               # https
−
acl Safe_ports port 443 # https
+
acl Safe_ports port 70         # gopher
−
acl Safe_ports port 70 # gopher
+
acl Safe_ports port 210               # wais
−
acl Safe_ports port 210 # wais
+
acl Safe_ports port 1025-65535 # unregistered ports
−
acl Safe_ports port 1025-65535 # unregistered ports
+
acl Safe_ports port 280               # http-mgmt
−
acl Safe_ports port 280 # http-mgmt
+
acl Safe_ports port 488               # gss-http
−
acl Safe_ports port 488 # gss-http
+
acl Safe_ports port 591               # filemaker
−
acl Safe_ports port 591 # filemaker
+
acl Safe_ports port 777               # multiling http
−
acl Safe_ports port 777 # multiling http
+
'''auth_param negotiate program /usr/lib/squid/negotiate_kerberos_auth -k /etc/squid/krb5.keytab -d'''
−
http_access deny !Safe_ports
+
'''auth_param negotiate children 1000'''
−
http_access deny CONNECT !SSL_ports
+
'''auth_param negotiate keep_alive on'''
−
http_access allow localhost manager
+
'''acl auth proxy_auth REQUIRED'''
−
http_access deny manager
+
'''http_access deny !auth'''
−
auth_param negotiate program /usr/lib/squid/negotiate_kerberos_auth -k /etc/squid/PROXY.keytab -d -i -s GSS_C_NO_NAME
+
'''http_access allow auth'''
−
auth_param negotiate children 10
+
http_access deny !Safe_ports
−
auth_param negotiate keep_alive off
+
http_access deny CONNECT !SSL_ports
−
acl auth proxy_auth REQUIRED
+
http_access allow localhost manager
−
http_access allow auth
+
http_access deny manager
−
include /etc/squid/conf.d/*.conf
+
include /etc/squid/conf.d/*.conf
−
http_access allow localhost
+
http_access allow localhost
−
http_access deny all
+
http_access deny all
−
http_port 3128
+
http_port 3128
−
coredump_dir /var/spool/squid
+
coredump_dir /var/spool/squid
−
refresh_pattern ^ftp: 1440 20% 10080
+
refresh_pattern ^ftp:         1440   20%     10080
−
refresh_pattern ^gopher: 1440 0% 1440
+
refresh_pattern ^gopher:       1440   0%     1440
−
refresh_pattern -i (/cgi-bin/|\?) 0 0% 0
+
refresh_pattern -i (/cgi-bin/|\?) 0   0%     0
−
refresh_pattern . 0 20% 4320
+
refresh_pattern .             0       20%     4320
−
</pre>
 
  
 
=restart=
 
=restart=
−
systemctl restart squid3
+
*systemctl restart squid
  
−
=client Machine=
+
=Auf dem Client=
−
  Set your proxy to server dewey.xinux.org using port 3128. It is important that you use the fully qualified domain name and NOT the IP address.
+
  Bitte beim Client den Namen in die Proxy Konfiguration eintragen.
  
 
=debugging=
 
=debugging=

Aktuelle Version vom 7. Oktober 2024, 14:09 Uhr

als ads client aufnehmen

zuerst als client aufnehemen https://xinux.net/index.php/Ubuntu-ads-client#.2Fetc.2Fkrb5.conf

msktutils

create computeraccount and a local keytab

  • kinit administrator
  • msktutil -c -b "CN=Computers" -s HTTP/proxy.lab34.linuggs.de -k /etc/squid/krb5.keytab --computer-name proxy --upn HTTP/proxy.lab34.linuggs.de --server win2022.lab34.linuggs.de -N
  • chown proxy:proxy /etc/squid/krb5.keytab

Kerberos Ticket update

  • msktutil --auto-update --computer-name proxy --server win2022.lab34.linuggs.de -s HTTP/proxy.lab34.linuggs.de -k /etc/squid/krb5.keytab -N

Crontab

  • echo "0 4 * * * msktutil --auto-update --computer-name proxy --server win2022.lab34.linuggs.de -s HTTP/proxy.lab34.linuggs.de -k /etc/squid/krb5.keytab -N" | crontab

/etc/default/squid3

  • systemctl edit squid
Environment="KRB5_KTNAME=/etc/squid/krb5.keytab"

/etc/squid/squid.conf

acl localnet src 0.0.0.1-0.255.255.255 # RFC 1122 "this" network (LAN)
acl localnet src 10.0.0.0/8            # RFC 1918 local private network (LAN)
acl localnet src 100.64.0.0/10         # RFC 6598 shared address space (CGN)
acl localnet src 169.254.0.0/16        # RFC 3927 link-local (directly plugged) machines
acl localnet src 172.16.0.0/12         # RFC 1918 local private network (LAN)
acl localnet src 192.168.0.0/16                # RFC 1918 local private network (LAN)
acl localnet src fc00::/7              # RFC 4193 local private network range
acl localnet src fe80::/10             # RFC 4291 link-local (directly plugged) machines
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
auth_param negotiate program /usr/lib/squid/negotiate_kerberos_auth -k /etc/squid/krb5.keytab -d
auth_param negotiate children 1000
auth_param negotiate keep_alive on
acl auth proxy_auth REQUIRED
http_access deny !auth
http_access allow auth
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost manager
http_access deny manager
include /etc/squid/conf.d/*.conf
http_access allow localhost
http_access deny all
http_port 3128
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

restart

  • systemctl restart squid

Auf dem Client

Bitte beim Client den Namen in die Proxy Konfiguration eintragen.

debugging

sources

Abgerufen von „http://wiki.ixheim.de/index.php?title=Squid-kerberos&oldid=57324“