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From Yitao Jiang <>
Subject Is this a bug when creating VPN failed because UDP ports conflicts
Date Mon, 21 Apr 2014 09:55:57 GMT
Hi, stackers

    I just found that if the the firewall of sourced nat ip of Isolated
network has opened UDP port such as 1-65535 range , the create vpn command
will faile, because the system will

reopen the udp port of 500, 1701, 4500 which are conflicts with origin port
range.Response as below

[{"createremoteaccessvpnresponse":{"errortext":"The range specified,
500-500, conflicts with rule 84 which has

So is this a bug ?Or we should ommit the conflict of UDP ports and continue
to creating VPN , Is that right

Any thoughts?

​BYW, i am working on cloudstack 4.2.1 build from source​



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