topic Re: xauth / uauth ??????? in Network Security https://community.cisco.com/t5/network-security/xauth-uauth/m-p/1503945#M653775 <HTML><HEAD></HEAD><BODY><P>xauth is extended authentication in vpn. this is also called as 1.5 IKE, this comes after phase 1 and</P><P>before phase 2.</P><P>in vpn's pre share key is one layer of security to authenticate the correct user, the second layer is xauth. so if someone needs to breach your network using vpn he will need to breach 2 walls.</P><P>and as you said this terminology is used in VPN</P><P></P><P>you can read more in the following link</P><P></P><P><A class="jive-link-external-small" href="http://www.cisco.com/en/US/docs/ios/12_1t/12_1t1/feature/guide/xauth.html">http://www.cisco.com/en/US/docs/ios/12_1t/12_1t1/feature/guide/xauth.html</A></P><P></P><P>u auth means user authentication, it is just a concept of authenticating users to control access</P><P></P><P></P><P>i think i would be right to say xauth uses u auth : )</P></BODY></HTML> Sun, 25 Jul 2010 12:34:57 GMT Jitendriya Athavale 2010-07-25T12:34:57Z xauth / uauth ??????? https://community.cisco.com/t5/network-security/xauth-uauth/m-p/1503944#M653753 <P>I have been going thru the documents over the cisco website in aaa, firewalling and acs , and confused among the two terms ????</P><P></P><P>1. what is exactly uauth ? is it&nbsp; a command or concept ? is it related to radius / tacacs+ ????</P><P></P><P>2. what is exactly xauth ? is it&nbsp; a command or concept ?&nbsp; is it only used for vpn authentication stuff.</P><P></P><P></P><P>Waiting for experts to reply....</P> Mon, 11 Mar 2019 18:15:52 GMT https://community.cisco.com/t5/network-security/xauth-uauth/m-p/1503944#M653753 game123 2019-03-11T18:15:52Z Re: xauth / uauth ??????? https://community.cisco.com/t5/network-security/xauth-uauth/m-p/1503945#M653775 <HTML><HEAD></HEAD><BODY><P>xauth is extended authentication in vpn. this is also called as 1.5 IKE, this comes after phase 1 and</P><P>before phase 2.</P><P>in vpn's pre share key is one layer of security to authenticate the correct user, the second layer is xauth. so if someone needs to breach your network using vpn he will need to breach 2 walls.</P><P>and as you said this terminology is used in VPN</P><P></P><P>you can read more in the following link</P><P></P><P><A class="jive-link-external-small" href="http://www.cisco.com/en/US/docs/ios/12_1t/12_1t1/feature/guide/xauth.html">http://www.cisco.com/en/US/docs/ios/12_1t/12_1t1/feature/guide/xauth.html</A></P><P></P><P>u auth means user authentication, it is just a concept of authenticating users to control access</P><P></P><P></P><P>i think i would be right to say xauth uses u auth : )</P></BODY></HTML> Sun, 25 Jul 2010 12:34:57 GMT https://community.cisco.com/t5/network-security/xauth-uauth/m-p/1503945#M653775 Jitendriya Athavale 2010-07-25T12:34:57Z