ug Report - OpenConnect VPN Connection Issue on Ubuntu 24

[Lee]

Subject:&nbsp;Bug&nbsp;Report&nbsp;-&nbsp;OpenConnect&nbsp;VPN&nbsp;Connection&nbsp;Issue&nbsp;on&nbsp;Ubuntu&nbsp;24<br/>Dear&nbsp;author,<br/>I&nbsp;hope&nbsp;this&nbsp;email&nbsp;finds&nbsp;you&nbsp;well.&nbsp;I&nbsp;am&nbsp;writing&nbsp;to&nbsp;report&nbsp;a&nbsp;bug&nbsp;that&nbsp;I&nbsp;have&nbsp;encountered&nbsp;while&nbsp;using&nbsp;the&nbsp;OpenConnect&nbsp;software&nbsp;on&nbsp;my&nbsp;Ubuntu&nbsp;24&nbsp;system.<br/>When&nbsp;attempting&nbsp;to&nbsp;connect&nbsp;to&nbsp;a&nbsp;VPN&nbsp;using&nbsp;OpenConnect,&nbsp;I&nbsp;am&nbsp;prompted&nbsp;to&nbsp;enter&nbsp;my&nbsp;password&nbsp;as&nbsp;expected.&nbsp;However,&nbsp;after&nbsp;entering&nbsp;the&nbsp;password,&nbsp;the&nbsp;application&nbsp;requests&nbsp;a&nbsp;real-time&nbsp;verification&nbsp;code&nbsp;that&nbsp;is&nbsp;sent&nbsp;to&nbsp;my&nbsp;email&nbsp;address.&nbsp;Unfortunately,&nbsp;the&nbsp;terminal&nbsp;does&nbsp;not&nbsp;provide&nbsp;me&nbsp;with&nbsp;an&nbsp;input&nbsp;field&nbsp;for&nbsp;this&nbsp;code,&nbsp;and&nbsp;the&nbsp;connection&nbsp;fails&nbsp;without&nbsp;any&nbsp;further&nbsp;explanation.<br/>I&nbsp;understand&nbsp;that&nbsp;this&nbsp;issue&nbsp;may&nbsp;be&nbsp;due&nbsp;to&nbsp;a&nbsp;limitation&nbsp;in&nbsp;the&nbsp;OpenConnect&nbsp;software&nbsp;or&nbsp;the&nbsp;underlying&nbsp;VPN&nbsp;infrastructure.&nbsp;However,&nbsp;I&nbsp;was&nbsp;wondering&nbsp;if&nbsp;there&nbsp;is&nbsp;any&nbsp;possibility&nbsp;of&nbsp;this&nbsp;bug&nbsp;being&nbsp;fixed&nbsp;in&nbsp;future&nbsp;updates&nbsp;or&nbsp;if&nbsp;there&nbsp;are&nbsp;any&nbsp;workarounds&nbsp;that&nbsp;I&nbsp;can&nbsp;use&nbsp;in&nbsp;the&nbsp;meantime&nbsp;to&nbsp;successfully&nbsp;connect&nbsp;to&nbsp;the&nbsp;VPN.<br/>Thank&nbsp;you&nbsp;for&nbsp;your&nbsp;attention&nbsp;to&nbsp;this&nbsp;matter.&nbsp;I&nbsp;look&nbsp;forward&nbsp;to&nbsp;hearing&nbsp;from&nbsp;you&nbsp;soon.<br/>Best&nbsp;regards,<br/>rugnag.li<br/><br/><br/>The&nbsp;output&nbsp;of&nbsp;the&nbsp;terminal&nbsp;is&nbsp;as&nbsp;follows：<br/><br/>POST&nbsp;https://vpn2fa.hku.hk/<br/>Connected&nbsp;to&nbsp;147.8.240.41:443<br/>SSL&nbsp;negotiation&nbsp;with&nbsp;vpn2fa.hku.hk<br/>Connected&nbsp;to&nbsp;HTTPS&nbsp;on&nbsp;vpn2fa.hku.hk&nbsp;with&nbsp;ciphersuite&nbsp;(TLS1.3)-(ECDHE-SECP256R1)-(RSA-PSS-RSAE-SHA256)-(AES-128-GCM)<br/>Got&nbsp;HTTP&nbsp;response:&nbsp;HTTP/1.1&nbsp;404&nbsp;Not&nbsp;Found<br/>Unexpected&nbsp;404&nbsp;result&nbsp;from&nbsp;server<br/>GET&nbsp;https://vpn2fa.hku.hk/<br/>Connected&nbsp;to&nbsp;147.8.240.42:443<br/>SSL&nbsp;negotiation&nbsp;with&nbsp;vpn2fa.hku.hk<br/>Connected&nbsp;to&nbsp;HTTPS&nbsp;on&nbsp;vpn2fa.hku.hk&nbsp;with&nbsp;ciphersuite&nbsp;(TLS1.3)-(ECDHE-SECP256R1)-(RSA-PSS-RSAE-SHA256)-(AES-128-GCM)<br/>Got&nbsp;HTTP&nbsp;response:&nbsp;HTTP/1.0&nbsp;302&nbsp;Object&nbsp;Moved<br/>GET&nbsp;https://vpn2fa.hku.hk/+webvpn+/index.html<br/>SSL&nbsp;negotiation&nbsp;with&nbsp;vpn2fa.hku.hk<br/>Connected&nbsp;to&nbsp;HTTPS&nbsp;on&nbsp;vpn2fa.hku.hk&nbsp;with&nbsp;ciphersuite&nbsp;(TLS1.3)-(ECDHE-SECP256R1)-(RSA-PSS-RSAE-SHA256)-(AES-128-GCM)<br/>Please&nbsp;enter&nbsp;your&nbsp;username&nbsp;and&nbsp;password.<br/>Password:<br/>POST&nbsp;https://vpn2fa.hku.hk/+webvpn+/index.html<br/>-Please&nbsp;enter&nbsp;your&nbsp;token&nbsp;code<br/>POST&nbsp;https://vpn2fa.hku.hk/+webvpn+/login/challenge.html<br/>Login&nbsp;failed.<br/>Please&nbsp;enter&nbsp;your&nbsp;username&nbsp;and&nbsp;password.<br/>Password:
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