[Openswan Users] RE: sendto on eth0 to xxx.xxx.xxx.xxx:4500 failed in EVENT_RETRANSMIT. Errno 1: Operation not permitted

[Joachim Pahnke]

Hmm,  I do allow port 4500. In fact for testing purposes I allow every port 
at the moment.
Do I have to forward any ports to the roadwarrior client behind the fw?
>
> ----- Original Message ----- 
> From: "Paul Wouters" <paul at xelerance.com>
> To: "Joachim Pahnke" <Joachim.Pahnke at t-online.de>
> Cc: "OpenSWAN User List" <users at openswan.org>
> Sent: Wednesday, January 19, 2005 5:36 PM
> Subject: Re: [Openswan Users]
>
>
>> On Wed, 19 Jan 2005, Joachim Pahnke wrote:
>>
>>> When the connection is started I get following error message:
>>>
>>> sendto on eth0 to xxx.xxx.xxx.xxx:4500 failed in EVENT_RETRANSMIT. Errno 
>>> 1:
>>> Operation not permitted
>>
>> this is either a firewall issue, or perhaps an SElinux or other 
>> 'security'
>> issue.
>>
>> Are you allowing udp port 4500? This is needed for NAT-T
>>
>> Paul
>>
> 

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