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<p class=MsoNormal><font size=2 color=navy face="Comic Sans MS"><span
style='font-size:10.0pt;font-family:"Comic Sans MS";color:navy'>No problem for
give my lan ip address and log!!! </span></font><font size=2 color=navy
face=Wingdings><span style='font-size:10.0pt;font-family:Wingdings;color:navy'>J</span></font><font
size=2 color=navy face="Comic Sans MS"><span style='font-size:10.0pt;
font-family:"Comic Sans MS";color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Oct 27 17:38:51 duro
pluto[31478]: packet from 81.kkk.zzz.xxx:500: ignoring Vendor ID payload [MS
NT5 ISAKMPOAKLEY 00000004]<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Oct 27 17:38:51 duro
pluto[31478]: packet from 81.kkk.zzz.xxx:500: ignoring Vendor ID payload
[FRAGMENTATION]<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Oct 27 17:38:51 duro
pluto[31478]: packet from 81.kkk.zzz.xxx:500: received Vendor ID payload
[draft-ietf-ipsec-nat-t-ike-02_n]<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Oct 27 17:38:51 duro
pluto[31478]: packet from 81.kkk.zzz.xxx:500: ignoring Vendor ID payload
[26244d38eddb61b3172a36e3d0cfb819]<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Oct 27 17:38:51 duro
pluto[31478]: "titti" #1: responding to Main Mode<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Oct 27 17:38:51 duro
pluto[31478]: "titti" #1: transition from state (null) to state
STATE_MAIN_R1<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Oct 27 17:38:52 duro
pluto[31478]: "titti" #1: NAT-Traversal: Result using
draft-ietf-ipsec-nat-t-ike-02/03: peer is NATed<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Oct 27 17:38:52 duro
pluto[31478]: "titti" #1: transition from state STATE_MAIN_R1 to
state STATE_MAIN_R2<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Oct 27 17:38:52 duro
pluto[31478]: "titti" #1: Peer ID is ID_DER_ASN1_DN: 'C=IT, ST=yyyyy,
L=yyyyy, O=yyyyy, CN=yyyyy.yyyy.yyyyy, E=yyyyy@yyyyyyyy<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Oct 27 17:38:52 duro
pluto[31478]: "titti" #1: crl update for "C=IT, ST=yyyyy,
L=yyyyy, O=yyyyy, CN=CA, E=yyyyy@yyyyyyyy" is overdue since Apr 24
18:05:12 UTC 2004<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Oct 27 17:38:52 duro
pluto[31478]: "titti" #1: I am sending my cert<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Oct 27 17:38:52 duro
pluto[31478]: "titti" #1: transition from state STATE_MAIN_R2 to
state STATE_MAIN_R3<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Oct 27 17:38:52 duro
pluto[31478]: | NAT-T: new mapping 81.kkk.zzz.xxx:500/4500)<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Oct 27 17:38:52 duro
pluto[31478]: "titti" #1: sent MR3, ISAKMP SA established<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Oct 27 17:38:52 duro
pluto[31478]: "titti" #1: cannot respond to IPsec SA request because
no connection is known for 172.16.1.0/24===217.fff.kkk.yyy:4500[C=IT, ST=yyyyy,
L=yyyyy, O=yyyyy, CN=yyyyy.yyyy.yyy,
E=yyyyyyyyyyyy]...81.kkk.zzz.xxx:4500[C=IT, ST=YYYYYYYY, L=YYYYYYY, O=YYYYYYYY,
CN=yyyyy.yyyyy.yyy, E=yyyyy@yyyyyyyy]===192.168.2.10/32<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Oct 27 17:38:52 duro
pluto[31478]: "titti" #1: sending encrypted notification
INVALID_ID_INFORMATION to 81.kkk.zzz.xxx:4500<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>My Network:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> Local ip: 192.168.2.10---Router / nat--Public
IP----- internet ----- ip public –router—ip public --- firewall/vpn----
lan 172.16.1.0/24 <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Thanks<o:p></o:p></span></font></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>Da:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Giovanni
[mailto:gio_ton@tiscali.it] <br>
<b><span style='font-weight:bold'>Inviato:</span></b> mercoledì 27 ottobre 2004
23.56<br>
<b><span style='font-weight:bold'>A:</span></b> '<st1:PersonName w:st="on">users@openswan.org</st1:PersonName>'<br>
<b><span style='font-weight:bold'>Oggetto:</span></b> R: [Openswan Users]
OpensWan and Iptables</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face="Comic Sans MS"><span
style='font-size:10.0pt;font-family:"Comic Sans MS";color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face="Comic Sans MS"><span
style='font-size:10.0pt;font-family:"Comic Sans MS";color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Comic Sans MS"><span style='font-size:
10.0pt;font-family:"Comic Sans MS"'>I did modifications on my firewall
and now it operates almost well. There are two problems:</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 face="Comic Sans MS"><span style='font-size:
10.0pt;font-family:"Comic Sans MS"'>First of all , the firewall drop all
requests which are destined to private ip of my firewall/openswan while it
operates perfectly for those which are destined to all other addresses of the
same network .</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 face="Comic Sans MS"><span style='font-size:
10.0pt;font-family:"Comic Sans MS"'>Secondly, I can't active a
"natted" pc. It operates perfectly only if the client isn't natted.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 face="Comic Sans MS"><span style='font-size:
10.0pt;font-family:"Comic Sans MS"'>The error message is:"</span></font><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>“cannont
respond ipsec because no connection is know for <font color=navy><span
style='color:navy'>172.16.1.0/24</span></font>== i plan public”.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>At the moment my configuration server in ipsec.conf is
the following:</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>config setup<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
interfaces=”ipsec0=eth2”<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
forwardcontrol=yes<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
klipsdebug=all<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
nat_traversal=yes<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
plutodebug=none<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
uniqueids=yes<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
virtual_private=%v4:172.16.0.0/12<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>conn prova<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
auto=add<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
authbt=rsasig<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
left=ip public server vpn<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
leftsubnet=</span></font><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>172.16.1.0/24</span></font><font
size=2 color=blue face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:blue'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
leftid=myid<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
leftcert=mycert<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
right=</span></font><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>%any</span></font><font size=2 color=blue
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:blue'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
rightid=myid<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
rightcert=mycert<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
pfs=yes<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>
keyingtries=3<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'>thanks to all for the support<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>Da:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Giovanni
[mailto:gio_ton@tiscali.it] <br>
<b><span style='font-weight:bold'>Inviato:</span></b> mercoledì 27 ottobre 2004
1.31<br>
<b><span style='font-weight:bold'>A:</span></b> '<st1:PersonName w:st="on">users@openswan.org</st1:PersonName>'<br>
<b><span style='font-weight:bold'>Oggetto:</span></b> R: [Openswan Users]
OpensWan and Iptables</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 color=navy face="Times New Roman"><span
style='font-size:12.0pt;color:navy'>Now works very well!!!</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Thanks again<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>Hi </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>This should give you an idea:</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><!--StartFragment --> [ #Allow IKE ]<br>
<br>
# Allow ESP Traffic from/to Gateway<br>
iptables -A INPUT -i $EXTERNAL_INTERFACE -p esp -j ACCEPT<br>
iptables -A OUTPUT -o $EXTERNAL_INTERFACE -p esp -j ACCEPT<br>
<br>
# Tag Incoming IPSec Traffic. 'mark' sticks after processing.<br>
iptables -t mangle -A PREROUTING -i $EXTERNAL_INTERFACE -p esp -j MARK
--set-mark 1<br>
<br>
# Forward Authenticated Traffic to LAN.<br>
iptables -A FORWARD -i $EXTERNAL_INTERFACE -m mark --mark 1 -d $LAN_ADDRESSES
-j ACCEPT <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt;color:black'><!--StartFragment --># Allow established
connections to communicate back.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>iptables -A FORWARD -i $LAN_INTERFACE -o $EXTERNAL_INTERFACE -m state
--state NEW,ESTABLISHED,RELATED -j ACCEPT<br>
iptables -A FORWARD -i $EXTERNAL_INTERFACE -o $LAN_INTERFACE -m state --state
ESTABLISHED,RELATED -j ACCEPT<o:p></o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt;color:black'># SRC nat everything apart from esp
traffic.</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><!--StartFragment -->iptables -t nat -A POSTROUTING -o
$EXTERNAL_INTERFACE -p ! esp -j SNAT --to-source $EXTERNAL_IPADDR <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>I hope this helps.</span></font><o:p></o:p></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>Cheers,</span></font><o:p></o:p></p>
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<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>Daniel.</span></font><o:p></o:p></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
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