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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>Hi,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>I have Strongswan 5.3.2 client access Cisco ASA gateway that is failing to establish connection with error HASH N(AUTH_FAILED). The conf is as below,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'># ipsec.conf - strongSwan IPsec configuration file<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>version 2<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'># basic configuration<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>config setup<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> # strictcrlpolicy=yes<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> # uniqueids = no<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> strictcrlpolicy=no<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> #charondebug="ike 4, knl 4, cfg 4, enc 4, esp 4, chd 4" #useful debugs<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'># Add connections here.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>conn %default<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> ikelifetime=1440m<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> keylife=60m<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> rekeymargin=3m<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> dpdaction=restart<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> closeaction=restart<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> keyingtries=1<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> keyexchange=ikev1<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> authby=xauthpsk<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>conn " vpn"<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> keyexchange=ikev1<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> ikelifetime=1440m<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> keylife=60m<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> rekey=no<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> aggressive=yes<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> ike=3des-md5-modp1024!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> esp=3des-md5! <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> xauth=client <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> left=X.X.X.X <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> leftid=hostname <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> leftsourceip=%config <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> leftfirewall=yes<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> leftauth=psk<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> rightauth=psk<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> leftauth2=xauth <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> right=Y.Y.Y.Y <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> rightsubnet=172.1.1.0/24<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> xauth_identity=abc <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> authby=xauthpsk<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'> auto=start<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>The log output when starting is as below,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>initiating Aggressive Mode IKE_SA vpn[5] to Y.Y.Y.Y<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>generating AGGRESSIVE request 0 [ SA KE No ID V V V V ]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>sending packet: from X.X.X.X[500] to Y.Y.Y.Y[500] (335 bytes)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>received packet: from Y.Y.Y.Y [500] to X.X.X.X [500] (416 bytes)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>parsed AGGRESSIVE response 0 [ SA KE No ID HASH V V V V NAT-D NAT-D V V ]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>received Cisco Unity vendor ID<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>received XAuth vendor ID<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>received DPD vendor ID<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>received NAT-T (RFC 3947) vendor ID<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>received FRAGMENTATION vendor ID<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>received unknown vendor ID: 1f:07:f7:0e:aa:65:14:d3:b0:fa:96:54:2a:50:01:00<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>calculated HASH does not match HASH payload<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>generating INFORMATIONAL_V1 request 2360507816 [ HASH N(AUTH_FAILED) ]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>sending packet: from X.X.X.X [500] to Y.Y.Y.Y[500] (84 bytes)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>establishing connection 'vpn' failed<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'>Kindly help is identifying the reason behind this failure.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif";color:black'>Regards,<o:p></o:p></span></p><p class=MsoNormal style='background:white'><b><span style='font-size:12.0pt;font-family:"Century Schoolbook","serif";color:black'>Daniel Kibe<o:p></o:p></span></b></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p></div></body></html>