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Hi All:</div>
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I am working on "IPsec behind NAT" for IPv6. </div>
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For IPv4, "pluto" listen on 4500 after start up. But for IPv6, "pluto" does NOT listen on it.....</div>
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But, for UDP port 500, "pluto" listen on IPv6 after startup....</div>
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How to let "libreswan" listen on 4500 for IPv6? </div>
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Thanks</div>
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<div>[root@CentOS7 ~]# netstat -na | grep 500</div>
<div>udp 0 0 127.0.0.1:4500 0.0.0.0:*</div>
<div>udp 0 0 10.0.2.15:4500 0.0.0.0:*</div>
<div>udp 0 0 192.168.122.1:4500 0.0.0.0:*</div>
<div>udp 0 0 127.0.0.1:500 0.0.0.0:*</div>
<div>udp 0 0 10.0.2.15:500 0.0.0.0:*</div>
<div>udp 0 0 192.168.122.1:500 0.0.0.0:*</div>
<div>udp6 0 0 ::1:500 :::*</div>
<div>unix 3 [ ] STREAM CONNECTED 15004</div>
<div>unix 3 [ ] STREAM CONNECTED 15003</div>
<div>unix 3 [ ] STREAM CONNECTED 26500</div>
<div>[root@CentOS7 ~]#</div>
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