Re: racoon works only in one way

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On Mon, Jan 10, 2011 at 10:09 AM, Pim Zandbergen
<P.Zandbergen@xxxxxxxxxxxxx> wrote:
> I'm seeing something possibly similar.
>
> I have upgraded a Fedora 11 box to Fedora 14. This box was succesfully
> running five
> IPSec tunnels. Four of them to a ZyXEL P-2602H, one to Fedora 13 box.
>
> After upgrading, all of the tunnels were reestablished, but no traffic
> was possible over it.
>
> Using Wireshark I found out that packets returning from a remote host are
> being routed to the wrong interface.
>
> Let's say I have this:
>
> SRC=1.2.3.4 (public, on eth1)
> SRCNET=192.168.1.0/24 (private, on eth0)
> DST=5.6.7.8 (public)
> DSTNET=192.168.2.0/24 (private)
>
> While pinging from our 192.168.1.217 to their 192.168.2.16, I see
> - unencrypted packet arrives at our tunnel
> - encrypted packet is sent to DST
> - (not tracing remote internal network, assuming everything's OK)
> - encrypted return packet arrives at SRC
> - unencrypted return packet is sent to eth1, even though destination
> address is 192.168.1.217
>
> There's nothing in the routing table that could explain this.
>
> Pim

Please file a bugzilla.  It looks like you have the info needed to pin down
the problem description.

> On 4-1-2011 11:50, Luc MAIGNAN wrote:
>> Hi,
>> I use racoon to establish an IPSEC tunnel between a fedora box and a router.
>> The tunnel is mounted.
>> Both my fedora and network behind the router can ping each other
>> The network behind the router can use the tunnel to ssh my fedora
>> But my fedora isn't able to ssh the network behind the router.
>> IPTRAF shows me that packets come correctly from the opposite side, but
>> ssh doesn't seem to receive them.
>> What can happen ?
>> Any help would be appreciated
>>
>> BR

-- 
Dale Dellutri
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