<HTML><HEAD id=head><TITLE>Sefficeware</TITLE>
<STYLE> body {margin:2px; font-family: Tahoma, gulim, gulimche, verdana, arial, helvetica, sans-serif;font-size:9pt;color:#212121;scrollbar-3dlight-color:#AFAFAF;scrollbar-arrow-color:#87532C;scrollbar-base-color:#FFFFFF;scrollbar-darkshadow-color :#88898D;scrollbar-face-color:#CCCECD;scrollbar-highlight-color:#FFFFFF;scrollbar-shadow-color:#FFFFFF;} p {font-size:9pt;color:#000000;padding:0px;} td {font-size:9pt;} img {border:0px;} </STYLE>
</HEAD>
<span scroll=yes>Hi,<BR><BR>I'm using Strongswan-5.0.1.<BR>When using NAT, IPsec clinets send ESP packet without 'authentication data'. (null authentication)<BR><BR>Client------|<BR>Client------|NAT-----------------------------Server<BR>Client------|<BR><BR>If not use NAT, IPsec clinet sends ESP packet with 'authentication data'.<BR><BR>Client-------------------------------------------Server<BR><BR>I want to send ESP packet with 'authentication data' when using NAT.<BR>Does it possible?<BR><BR>Thanks & Regards,<BR>John.</span></HTML><img src="http://gw.samji.com:80/Sefficeware/WebMail/WMPG0017.aspx?FCode=2245403&FSeq=2&FDate=1900-01-01 00:00" border=0 width=0 height=0>