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[ipt,firewall6] Ajout blacklist pour carte etudiant et chambre invalide, on accepte les icmp NDP en output/input pour pouvoir envoyer des REJECT

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Ignore-this: 58ba4a92e7be972ba8db8a4819df9174

darcs-hash:20121104152928-3a55a-5f42ca802a7c0016e5931dcdc1281f60a860da2d.gz
This commit is contained in:
Valentin Samir 2012-11-04 16:29:28 +01:00
parent c71900a5ba
commit 327689a051
3 changed files with 16 additions and 6 deletions
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5
gestion/config.py
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@ -517,7 +517,8 @@ prefix = { 'subnet' : [ '2a01:240:fe3d::/48' ],
'fil' : [ '2a01:240:fe3d:4::/64' ], 'fil' : [ '2a01:240:fe3d:4::/64' ],
'adm' : [ '2a01:240:fe3d:c804::/64' ], 'adm' : [ '2a01:240:fe3d:c804::/64' ],
'wifi' : [ '2a01:240:fe3d:f7::/64' ], 'wifi' : [ '2a01:240:fe3d:f7::/64' ],
'sixxs2' : [ '2a01:240:fe00:68::/64' ] 'sixxs2' : [ '2a01:240:fe00:68::/64' ],
'personnel-ens':['fe80:0:0:0::/64']
} }
# Domaines dans lesquels les machines sont placées suivant leur type # Domaines dans lesquels les machines sont placées suivant leur type
@ -580,7 +581,7 @@ file_pickle = { 4 : '/tmp/ipt_pickle',
} }
blacklist_sanctions = ['upload', 'warez', 'p2p', 'autodisc_p2p', blacklist_sanctions = ['upload', 'warez', 'p2p', 'autodisc_p2p',
'autodisc_upload', 'bloq'] 'autodisc_upload', 'bloq', 'carte_etudiant','chambre_invalide']
adm_users = [ 'root', 'identd', 'daemon', 'postfix', 'freerad', 'amavis', adm_users = [ 'root', 'identd', 'daemon', 'postfix', 'freerad', 'amavis',
'nut', 'respbats', 'list', 'sqlgrey', 'ntpd', 'lp' ] 'nut', 'respbats', 'list', 'sqlgrey', 'ntpd', 'lp' ]

9
gestion/gen_confs/firewall6.py
View file

@ -89,6 +89,12 @@ def basic_fw():
# On rejete les ra. # On rejete les ra.
ip6tables.filter.input('-p icmpv6 -m icmp6 --icmpv6-type router-advertisement -j REJECT') ip6tables.filter.input('-p icmpv6 -m icmp6 --icmpv6-type router-advertisement -j REJECT')
# On accepte NDP sauf les RA, sinon, les REJECT ne fonctionnent pas
for icmpv6 in ['neighbour-solicitation','neighbour-advertisement','redirect','router-solicitation']:
ip6tables.filter.input('-p icmpv6 -m icmp6 --icmpv6-type %s -j ACCEPT' % icmpv6)
ip6tables.filter.output('-p icmpv6 -m icmp6 --icmpv6-type %s -j ACCEPT' % icmpv6)
# On ne vérifie rien sur les ip qui ne sont pas dans notre prefix # On ne vérifie rien sur les ip qui ne sont pas dans notre prefix
ip6tables.filter.ieui64('! -s %s -j RETURN' % prefix['subnet'][0]) ip6tables.filter.ieui64('! -s %s -j RETURN' % prefix['subnet'][0])
@ -138,7 +144,8 @@ def main_router():
# Alternative : flusher la table conntrack des entrées concernant cette # Alternative : flusher la table conntrack des entrées concernant cette
# machine. # machine.
blacklist(ip6tables) blacklist(ip6tables)
ip6tables.filter.forward('-o %s -j BLACKLIST_SRC' % dev_ip6) ip6tables.filter.forward('-i %s -j BLACKLIST_SRC' % dev_crans)
#~ ip6tables.filter.forward('-o %s -j BLACKLIST_SRC' % dev_ip6)
ip6tables.filter.forward('-i %s -j BLACKLIST_DST' % dev_ip6) ip6tables.filter.forward('-i %s -j BLACKLIST_DST' % dev_ip6)
ip6tables.filter.tracker_torrent('-m string --algo kmp ! --string "info_hash=" -j ACCEPT') ip6tables.filter.tracker_torrent('-m string --algo kmp ! --string "info_hash=" -j ACCEPT')

8
gestion/ipt.py
View file

@ -54,7 +54,7 @@ Filter_policy_template = """
""" """
dprefix = { 'fil' : 'fil', 'fil-v6' : 'fil', 'adm' : 'adm', 'wifi' : 'wifi', dprefix = { 'fil' : 'fil', 'fil-v6' : 'fil', 'adm' : 'adm', 'wifi' : 'wifi',
'wifi-v6' : 'wifi' } 'wifi-v6' : 'wifi','personnel-ens':'personnel-ens' }
default_chains = [ 'PREROUTING', 'INPUT', 'FORWARD', 'OUTPUT', 'POSTROUTING' ] default_chains = [ 'PREROUTING', 'INPUT', 'FORWARD', 'OUTPUT', 'POSTROUTING' ]
@ -159,10 +159,12 @@ ACCEPT' % (dev, proto, ip, port))
for type_m in mid.keys(): for type_m in mid.keys():
if ident in range(mid[type_m][0], mid[type_m][1]): if ident in range(mid[type_m][0], mid[type_m][1]):
ip = ipv6_addr(machine.mac(), type_m) ip = ipv6_addr(machine.mac(), type_m)
mac=machine.mac()
break break
if ip: if ip:
self.filter.blacklist_src('-s %s -j REJECT --reject-with \ self.filter.blacklist_src('-m mac --mac-source %s -j REJECT --reject-with icmp6-port-unreachable' % mac)
icmp6-adm-prohibited' % ip) #~ self.filter.blacklist_src('-s %s -j REJECT --reject-with \
#~ icmp6-adm-prohibited' % ip)
self.filter.blacklist_dst('-d %s -j REJECT --reject-with \ self.filter.blacklist_dst('-d %s -j REJECT --reject-with \
icmp6-adm-prohibited' % ip) icmp6-adm-prohibited' % ip)