Mise en place proxy avec squid3, samba, kerberos (DEBIAN)

Bonjour tout le monde,

Étant en stage informatique dans un hôpital, mon responsable m’as demandé de créer un proxy (transparent) avec squid3 sous Débian (only commandes).

Et après 2 semaines de travail intensif, avec énormément de problème qui s’accumuler jours après jours, je viens ici demandé votre aide pour mon proxy squid3, avec authentification sur l’AD de mon serveur.

Au début, je l’ai fais sur une machine de l’hôpital et tester sur le réseau, mais ayant eu énormément de problème, sachant que le réseau posséder déjà un proxy basic sur le réseau, alors j’ai tout fait en local sur mon pc portable, avec 3 machines virtuels, un windows xp pro client pour les test, un windows serveur 2003 (AD), et un debian qu’en ligne de commande, je vais poster mes configuration pour être plus clair:

Je vais commencer par mon “/etc/squid3/squid.conf”

acl manager proto cache_object acl localhost src 127.0.0.1/32 acl monreseau src 192.168.209.0/24 acl to_localhost dst 127.0.0.0/8 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 allow manager localhost http_access deny manager http_access allow monreseau http_access deny !Safe_ports http_access deny CONNECT !SSL_ports http_access allow localhost http_access deny all icp_access allow monreseau icp_access deny all htcp_access deny all http_port 3128 transparent hierarchy_stoplist cgi-bin ? access_log /var/log/squid3/access.log squid refresh_pattern ^ftp: 1440 20% 10080 refresh_pattern ^gopher: 1440 0% 1440 refresh_pattern (cgi-bin|\?) 0 0% 0 refresh_pattern . 0 20% 4320 icp_port 3130

Donc voici mon “/etc/samba/smb.conf”

workgroup = DOMAINE netbios name = debian security = ADS realm = DOMAINE.FR server string = seveur ; wins server = w.x.y.z dns proxy = no ; name resolve order = lmhosts host wins bcast ; interfaces = 127.0.0.0/8 eth0 ; bind interfaces only = yes log file = /var/log/samba/log.%m max log size = 1000 syslog = 0 panic action = /usr/share/samba/panic-action %d encrypt passwords = true passdb backend = tdbsam obey pam restrictions = yes unix password sync = yes passwd program = /usr/bin/passwd %u passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* . pam password change = yes password server = serveur local master = no winbind use default domain = yes ; winbind enum users = yes ; usershare max shares = 100 [homes] comment = Home Directories browseable = no read only = yes create mask = 0700 directory mask = 0700 valid users = %S ;[netlogon] ; comment = Network Logon Service ; path = /home/samba/netlogon ; guest ok = yes ; read only = yes ; share modes = no ;[profiles] ; comment = Users profiles ; path = /home/samba/profiles ; guest ok = no ; browseable = no ; create mask = 0600 ; directory mask = 0700 [printers] comment = All Printers browseable = no path = /var/spool/samba printable = yes guest ok = no read only = yes create mask = 0700 [print$] comment = Printer Drivers path = /var/lib/samba/printers browseable = yes read only = yes guest ok = no ; write list = root, @lpadmin ;[cdrom] ; comment = Samba server's CD-ROM ; read only = yes ; locking = no ; path = /cdrom ; guest ok = yes ; preexec = /bin/mount /cdrom ; postexec = /bin/umount /cdrom

Maintenant mon “/etc/krb5.conf”

[code][libdefaults]
default_realm = DOMAINE.FR
dns_lookup_realm = false
dns_lookup_kdc = false

The following krb5.conf variables are only for MIT Kerberos.

    krb4_config = /etc/krb.conf
    krb4_realms = /etc/krb.realms
    kdc_timesync = 1
    ccache_type = 4
    forwardable = true
    proxiable = true

    v4_instance_resolve = false
    v4_name_convert = {
            host = {
                    rcmd = host
                    ftp = ftp
            }
            plain = {
                    something = something-else
            }
    }
    fcc-mit-ticketflags = true

[realms]
DOMAINE.FR = {
kdc = DOMAINE
admin_server = SERVEUR
default_domain = DOMAINE.FR
}
ATHENA.MIT.EDU = {
kdc = kerberos.mit.edu:88
kdc = kerberos-1.mit.edu:88
kdc = kerberos-2.mit.edu:88
admin_server = kerberos.mit.edu
default_domain = mit.edu
}
MEDIA-LAB.MIT.EDU = {
kdc = kerberos.media.mit.edu
admin_server = kerberos.media.mit.edu
}
ZONE.MIT.EDU = {
kdc = casio.mit.edu
kdc = seiko.mit.edu
admin_server = casio.mit.edu
}
MOOF.MIT.EDU = {
kdc = three-headed-dogcow.mit.edu:88
kdc = three-headed-dogcow-1.mit.edu:88
admin_server = three-headed-dogcow.mit.edu
}
CSAIL.MIT.EDU = {
kdc = kerberos-1.csail.mit.edu
kdc = kerberos-2.csail.mit.edu
admin_server = kerberos.csail.mit.edu
default_domain = csail.mit.edu
krb524_server = krb524.csail.mit.edu
}
IHTFP.ORG = {
kdc = kerberos.ihtfp.org
admin_server = kerberos.ihtfp.org
}
GNU.ORG = {
kdc = kerberos.gnu.org
kdc = kerberos-2.gnu.org
kdc = kerberos-3.gnu.org
admin_server = kerberos.gnu.org
}
1TS.ORG = {
kdc = kerberos.1ts.org
admin_server = kerberos.1ts.org
}
GRATUITOUS.ORG = {
kdc = kerberos.gratuitous.org
admin_server = kerberos.gratuitous.org
}
DOOMCOM.ORG = {
kdc = kerberos.doomcom.org
admin_server = kerberos.doomcom.org
}
ANDREW.CMU.EDU = {
kdc = vice28.fs.andrew.cmu.edu
kdc = vice2.fs.andrew.cmu.edu
kdc = vice11.fs.andrew.cmu.edu
kdc = vice12.fs.andrew.cmu.edu
admin_server = vice28.fs.andrew.cmu.edu
default_domain = andrew.cmu.edu
}
CS.CMU.EDU = {
kdc = kerberos.cs.cmu.edu
kdc = kerberos-2.srv.cs.cmu.edu
admin_server = kerberos.cs.cmu.edu
}
DEMENTIA.ORG = {
kdc = kerberos.dementia.org
kdc = kerberos2.dementia.org
admin_server = kerberos.dementia.org
}
stanford.edu = {
kdc = krb5auth1.stanford.edu
kdc = krb5auth2.stanford.edu
kdc = krb5auth3.stanford.edu
master_kdc = krb5auth1.stanford.edu
admin_server = krb5-admin.stanford.edu
default_domain = stanford.edu
}

[domain_realm]
.domaine.fr = DOMAINE.FR
domaine.fr = DOMAINE.FR
.mit.edu = ATHENA.MIT.EDU
mit.edu = ATHENA.MIT.EDU
.media.mit.edu = MEDIA-LAB.MIT.EDU
media.mit.edu = MEDIA-LAB.MIT.EDU
.csail.mit.edu = CSAIL.MIT.EDU
csail.mit.edu = CSAIL.MIT.EDU
.whoi.edu = ATHENA.MIT.EDU
whoi.edu = ATHENA.MIT.EDU
.stanford.edu = stanford.edu
.slac.stanford.edu = SLAC.STANFORD.EDU

[login]
krb4_convert = true
krb4_get_tickets = false

[/code]

Voici les principaux tuto que j’ai suivis:

http://iclementonline.free.fr/?p=425 (Je pense que mon squid.conf est en règle puisque j’arrive à accéder à internet après avoir rentrer l’adresse du proxy dans outil>option>avancé>réseau>paramètre (sous Firefox) )

http://iclementonline.free.fr/?p=425

http://iclementonline.free.fr/?p=435