<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi there,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We have a couple of OpenSWAN ipsec VPN’s being used but recently stopped working of their own accord.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>As it turns out the issue was the encryption settings which were set to:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Lucida Console"'> ike= aes256-sha2_256;modp2048!<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Lucida Console"'> phase2alg= aes256-sha1!<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><o:p> </o:p></p><p class=MsoNormal style='text-autospace:none'>This worked and my understanding was the explanation mark at the end forced these encryption settings. However these settings now present the following error message:<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><o:p> </o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Lucida Console"'>pluto[13095]: ike string error: Non alphanum char found after in modp string, just after "aes256-sha2_256;modp2048" (old_state=ST_MOPD)</span><o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><o:p> </o:p></p><p class=MsoNormal style='text-autospace:none'>The setting that now work are:<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><o:p> </o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Lucida Console"'> ike= aes256-sha2_256;modp2048<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Lucida Console"'> phase2alg= aes256-sha1<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Lucida Console"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'>Although I can see that the system is using these encryption settings now but are these settings now forced by default?<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><o:p> </o:p></p><p class=MsoNormal style='text-autospace:none'>Thanks<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><o:p> </o:p></p><p class=MsoNormal style='text-autospace:none'>Joe.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>