<DIV>Hi,all:<BR> I am Jacky, a beginner with openswan2.3.1. Now,I meet a big problem(may be just for me).<BR> We know that ESP has two services,authentication and encryption. We can chose either or both of them.<BR> What should I do if I only want ESP's authentication service with transport mode between two hosts? I do not use /etc/ipsec.conf but a scritp to configure openswan.<BR>When I run the following script, it tells me that "--esp" need argument like this "enc_alg-auth_alg-modp".But I just want to only use ESP's authentication service with transport mode. What should I do?<BR><BR>#!/bin/sh<BR>IPSEC_PATH=/usr/local/libexec/ipsec<BR>$IPSEC_PATH/whack --delete --name test<BR>$IPSEC_PATH/whack --name test \<BR> --host 192.168.12.3 \<BR> --nexthop 192.168.12.3 --to \<BR> --host 192.168.12.4 \<BR> --psk --esp --ike 3des<BR><BR>Fartherly, how to configure the openswan to use AH's authentication service or ESP's own authentication if I use ESP protocol.<BR><BR> I will really appreciate your help and reply~~~~~~<BR></DIV>
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