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Commit
e14a1b89
authored
Feb 13, 2013
by
Dudás Ádám
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Merge branch 'master' of
ssh://giccero.cloud.ik.bme.hu/cloud
parents
30a50ad7
11c061d4
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1 changed file
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17 additions
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17 deletions
+17
-17
firewall/fw.py
+17
-17
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firewall/fw.py
View file @
e14a1b89
...
...
@@ -123,11 +123,11 @@ class firewall:
# windows port scan are silently dropped
self
.
iptables
(
'-A LOG_DROP -p tcp --dport 445 -j DROP'
)
self
.
iptables
(
'-A LOG_DROP -p udp --dport 137 -j DROP'
)
self
.
iptables
(
'-A LOG_DROP -j LOG --log-level 7'
self
.
iptables
(
'-A LOG_DROP -j LOG --log-level 7
'
'--log-prefix "[ipt][drop]"'
)
self
.
iptables
(
'-A LOG_DROP -j DROP'
)
self
.
iptables
(
'-N LOG_ACC'
)
self
.
iptables
(
'-A LOG_ACC -j LOG --log-level 7'
self
.
iptables
(
'-A LOG_ACC -j LOG --log-level 7
'
'--log-prefix "[ipt][isok]"'
)
self
.
iptables
(
'-A LOG_ACC -j ACCEPT'
)
...
...
@@ -165,9 +165,9 @@ class firewall:
self
.
iptables
(
'-A PUB_OUT -j r_pub_dIP'
)
self
.
iptables
(
'-A FORWARD -m state --state INVALID -g LOG_DROP'
)
self
.
iptables
(
'-A FORWARD -m state --state ESTABLISHED,RELATED'
self
.
iptables
(
'-A FORWARD -m state --state ESTABLISHED,RELATED
'
'-j ACCEPT'
)
self
.
iptables
(
'-A FORWARD -p icmp --icmp-type echo-request'
self
.
iptables
(
'-A FORWARD -p icmp --icmp-type echo-request
'
'-g LOG_ACC'
)
if
not
self
.
IPV6
:
self
.
iptables
(
'-A FORWARD -j r_pub_sIP -o pub'
)
...
...
@@ -175,19 +175,19 @@ class firewall:
self
.
iptables
(
'-A INPUT -i lo -j ACCEPT'
)
if
not
self
.
IPV6
:
self
.
iptables
(
'-A INPUT -j r_pub_sIP'
)
self
.
iptables
(
'-A INPUT -m state --state ESTABLISHED,RELATED'
self
.
iptables
(
'-A INPUT -m state --state ESTABLISHED,RELATED
'
'-j ACCEPT'
)
self
.
iptables
(
'-A OUTPUT -m state --state INVALID -g LOG_DROP'
)
self
.
iptables
(
'-A OUTPUT -o lo -j ACCEPT'
)
self
.
iptables
(
'-A OUTPUT -m state --state ESTABLISHED,RELATED'
self
.
iptables
(
'-A OUTPUT -m state --state ESTABLISHED,RELATED
'
'-j ACCEPT'
)
def
postrun
(
self
):
self
.
iptables
(
'-A PUB_OUT -s 152.66.243.160/27 -p tcp --dport 25'
self
.
iptables
(
'-A PUB_OUT -s 152.66.243.160/27 -p tcp --dport 25
'
'-j LOG_ACC'
)
self
.
iptables
(
'-A PUB_OUT -s 152.66.243.160/27 -p tcp --dport 445'
self
.
iptables
(
'-A PUB_OUT -s 152.66.243.160/27 -p tcp --dport 445
'
'-j LOG_ACC'
)
self
.
iptables
(
'-A PUB_OUT -p tcp --dport 25 -j LOG_DROP'
)
self
.
iptables
(
'-A PUB_OUT -p tcp --dport 445 -j LOG_DROP'
)
...
...
@@ -214,7 +214,7 @@ class firewall:
for
rule
in
host
.
rules
.
filter
(
nat
=
True
,
direction
=
'1'
):
dport_sport
=
self
.
dportsport
(
rule
,
False
)
if
host
.
vlan
.
snat_ip
:
self
.
iptablesnat
(
'-A PREROUTING -d
%
s
%
s
%
s -j DNAT'
self
.
iptablesnat
(
'-A PREROUTING -d
%
s
%
s
%
s -j DNAT
'
'--to-destination
%
s:
%
s'
%
(
host
.
pub_ipv4
,
dport_sport
,
rule
.
extra
,
host
.
ipv4
,
rule
.
nat_dport
))
...
...
@@ -222,26 +222,26 @@ class firewall:
# rules for machines with dedicated public IP
for
host
in
self
.
hosts
.
exclude
(
shared_ip
=
True
):
if
host
.
pub_ipv4
:
self
.
iptablesnat
(
'-A PREROUTING -d
%
s -j DNAT'
self
.
iptablesnat
(
'-A PREROUTING -d
%
s -j DNAT
'
'--to-destination
%
s'
%
(
host
.
pub_ipv4
,
host
.
ipv4
))
self
.
iptablesnat
(
'-A POSTROUTING -s
%
s -j SNAT'
self
.
iptablesnat
(
'-A POSTROUTING -s
%
s -j SNAT
'
'--to-source
%
s'
%
(
host
.
ipv4
,
host
.
pub_ipv4
))
# default NAT rules for VLANs
for
s_vlan
in
self
.
vlans
:
if
s_vlan
.
snat_ip
:
for
d_vlan
in
s_vlan
.
snat_to
.
all
():
self
.
iptablesnat
(
'-A POSTROUTING -s
%
s -o
%
s -j SNAT'
self
.
iptablesnat
(
'-A POSTROUTING -s
%
s -o
%
s -j SNAT
'
'--to-source
%
s'
%
(
s_vlan
.
net_ipv4
(),
d_vlan
.
interface
,
s_vlan
.
snat_ip
))
# hard-wired rules
self
.
iptablesnat
(
'-A POSTROUTING -s 10.5.0.0/16 -o vlan0003 -j SNAT'
self
.
iptablesnat
(
'-A POSTROUTING -s 10.5.0.0/16 -o vlan0003 -j SNAT
'
'--to-source 10.3.255.254'
)
# man elerheto legyen
self
.
iptablesnat
(
'-A POSTROUTING -s 10.5.0.0/16 -o vlan0008 -j SNAT'
self
.
iptablesnat
(
'-A POSTROUTING -s 10.5.0.0/16 -o vlan0008 -j SNAT
'
'--to-source 10.0.0.247'
)
# wolf network for printing
self
.
iptablesnat
(
'-A POSTROUTING -s 10.3.0.0/16 -o vlan0002 -j SNAT'
self
.
iptablesnat
(
'-A POSTROUTING -s 10.3.0.0/16 -o vlan0002 -j SNAT
'
'--to-source
%
s'
%
self
.
pub
.
ipv4
)
# kulonben nemmegy a du
self
.
iptablesnat
(
'COMMIT'
)
...
...
@@ -318,9 +318,9 @@ class firewall:
def
get
(
self
):
if
self
.
IPV6
:
return
{
'filter'
:
self
.
SZABALYOK
,
}
return
{
'filter'
:
self
.
RULES
,
}
else
:
return
{
'filter'
:
self
.
SZABALYOK
,
'nat'
:
self
.
SZABALYOK
_NAT
}
return
{
'filter'
:
self
.
RULES
,
'nat'
:
self
.
RULES
_NAT
}
def
show
(
self
):
if
self
.
IPV6
:
...
...
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