[Openswan Users] missing packets

Leto letoams at gmail.com
Fri May 10 00:52:36 UTC 2013


You have am mtu problem: try:

iptables -I FORWARD -p tcp -j TCPMSS --clamp-mss-to-pmtu



sent from a tiny device 

On 2013-05-09, at 13:56, Alonso Manilla <alonso.manilla at gmail.com> wrote:

> Hi,
> 
> I have a vpn up from a linux (ubuntu 12.04 kernel 3.2) to a stonegate provider with this ipsec.conf:
> 
> ################ /etc/ipsec.conf ###################
> version 2.0 
> config setup
> 	plutoopts="--perpeerlog"
> 	dumpdir=/var/run/pluto/
> 	nat_traversal=yes
> 	virtual_private=%v4:128.9.0.0/16,%v4:172.XX.XX.XX/32
> 	oe=off
> 	protostack=netkey
> 	plutostderrlog=/var/log/debug/pluto.log
> 	interfaces=%defaultroute
> conn burocredito
>         type=tunnel
> ######### ubuntu
>         left=85.YY.YYY.YYY
>         leftsubnet=172.XX.XX.XX/32
>         leftnexthop=%defaultroute
> ######### stonegate
>         right=200.76.208.137
>         rightid=128.100.100.1
>         rightsubnet=128.9.0.0/16
>         rightnexthop=%defaultroute
>         pfs=yes
>         auto=start
>         ike=3des-md5;modp1024
>         keylife=60m
>         authby=secret
>         ikelifetime=1440m
>         esp=3des-md5
>         compress=no
>         forceencaps= yes
> 
> 
> I send a ping and its ok, but when I send a telnet info I lost the answer from the stonegate.
> 
> Using tcpdump I can see the data (xml for webservices) is there but I can't forward to browser (webservices) or to console (telnet), this is what I get:
> 
> 11:49:33.139349 IP 128.9.55.102.9080 > 172.XX.XX.XX.53442: Flags [.], ack 1939285834, win 54, options [nop,nop,TS val 3424378112 ecr 26675747], length 0
> E..4.. at .>....	7f...
> #x....|.s.'J...6.......
> ......
> #
> 11:49:36.687277 IP 128.9.55.102.9080 > 172.XX.XX.XX.53464: Flags [S.], seq 3217152997, ack 1868879689, win 5792, options [mss 1460,sackOK,TS val 3424381659 ecr 26676634,nop,wscale 7], length 0
> E..<.. at .>..,.	7f...
> #x......od.I....%..........
> ......
> 11:49:36.871684 IP 128.9.55.102.9080 > 172.XX.XX.XX.53464: Flags [.], ack 183, win 54, options [nop,nop,TS val 3424381818 ecr 26676674], length 0
> E..40. at .>....	7f...
> #x......od.....6i......
> ...z..
> 11:49:37.010269 IP 128.9.55.102.9080 > 172.XX.XX.XX.53464: Flags [P.], seq 1449:2381, ack 183, win 54, options [nop,nop,TS val 3424381862 ecr 26676674], length 932
> E...0. at .>....	7f...
> #x......od.....6.......
> .tput message="tns:consultaXMLResponse">
>     </output>
>     </operation>
>   </portType>
>   <binding name="WSConsultaPortBinding" type="tns:WSConsultaDelegate">
>     <soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
>     <operation name="consultaCC">
>       <soap:operation soapAction=""/>
>       <input>
>         <soap:body use="literal"/>
>       </input>
>       <output>
>         <soap:body use="literal"/>
>       </output>
>     </operation>
>     <operation name="consultaXML">
>       <soap:operation soapAction=""/>
>       <input>
>         <soap:body use="literal"/>
>       </input>
>       <output>
>         <soap:body use="literal"/>
>       </output>
>     </operation>
>   </binding>
>   <service name="WSConsultaService">
>     <port name="WSConsultaPort" binding="tns:WSConsultaPortBinding">
>       <soap:address location="http://128.9.55.102:9080/WSConsultaBCC/WSConsultaService"/>
>     </port>
>   </service>
> </definitions>
> 
> 
> 11:49:37.010488 IP 128.9.55.102.9080 > 172.XX.XX.XX.53464: Flags [FP.], seq 2381:2386, ack 183, win 54, options [nop,nop,TS val 3424381864 ecr 26676674], length 5
> E..90. at .>....	7f...
> #x.....2od.....6.......
> .0....
> 
> 
> 11:50:06.868990 IP 128.9.55.102.9080 > 172.XX.XX.XX.53464: Flags [.], ack 184, win 54, options [nop,nop,TS val 3424411845 ecr 26684178], length 0
> E..40. at .>....	7f...
> #x.....8od.....6.......
> ..`...+.
> 
> 
> I just try with iptables (I'm not an expert) to forward but I don what else need to make it works.
> 
> 
> Can you help me please to find a solution?
> 
> --
> Alonso Manilla
> _______________________________________________
> Users at lists.openswan.org
> https://lists.openswan.org/mailman/listinfo/users
> Micropayments: https://flattr.com/thing/38387/IPsec-for-Linux-made-easy
> Building and Integrating Virtual Private Networks with Openswan:
> http://www.amazon.com/gp/product/1904811256/104-3099591-2946327?n=283155
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openswan.org/pipermail/users/attachments/20130509/6de1f8ba/attachment-0001.html>


More information about the Users mailing list