[Openswan Users]

Paul Wouters paul at xelerance.com
Wed Jan 19 17:36:45 CET 2005

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'

Are you allowing udp port 4500? This is needed for NAT-T


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