Also das Apache-Log schweigt dazu, wie gesagt, aber das Nextcloud-Log ist recht gesprächig.
Und wenn ich mir das ein bisschen ansehe, könnte das sehr wohl mit der Umstellung an der Firewall zu tun haben. Diese wurde so umkonfiguriert, dass sie als Proxy für die Nextcloud agiert und die Anfragen entsprechend weiterleitet.
Ganz schlau werde ich aus dem Log aber nicht.
{"reqId":"lZ7DkyGY25Qmlokyi9eL","level":3,"time":"2018-06-29T07:22:18+02:00","remoteAddr":"62.212.166.100","user":"nc_admin","app":"no app in context","method":"GET","url":"\/nextcloud\/index.php\/settings\/user","message":"issuetemplate","userAgent":"Mozilla\/5.0 (X11; Ubuntu; Linux x86_64; rv:60.0) Gecko\/20100101 Firefox\/60.0","version":"13.0.4.0"}
{"reqId":"lZ7DkyGY25Qmlokyi9eL","level":3,"time":"2018-06-29T07:22:18+02:00","remoteAddr":"62.212.166.100","user":"nc_admin","app":"PHP","method":"GET","url":"\/nextcloud\/index.php\/settings\/user","message":"Undefined index: url at \/var\/www\/html\/apps\/external\/lib\/Settings\/Personal.php#58","userAgent":"Mozilla\/5.0 (X11; Ubuntu; Linux x86_64; rv:60.0) Gecko\/20100101 Firefox\/60.0","version":"13.0.4.0"}
{"reqId":"lZ7DkyGY25Qmlokyi9eL","level":3,"time":"2018-06-29T07:22:18+02:00","remoteAddr":"62.212.166.100","user":"nc_admin","app":"PHP","method":"GET","url":"\/nextcloud\/index.php\/settings\/user","message":"Undefined index: redirect at \/var\/www\/html\/apps\/external\/lib\/Settings\/Personal.php#59","userAgent":"Mozilla\/5.0 (X11; Ubuntu; Linux x86_64; rv:60.0) Gecko\/20100101 Firefox\/60.0","version":"13.0.4.0"}
{"reqId":"lZ7DkyGY25Qmlokyi9eL","level":3,"time":"2018-06-29T07:22:18+02:00","remoteAddr":"62.212.166.100","user":"nc_admin","app":"PHP","method":"GET","url":"\/nextcloud\/index.php\/settings\/user","message":"Undefined index: id at \/var\/www\/html\/apps\/external\/lib\/Settings\/Personal.php#60","userAgent":"Mozilla\/5.0 (X11; Ubuntu; Linux x86_64; rv:60.0) Gecko\/20100101 Firefox\/60.0","version":"13.0.4.0"}
{"reqId":"lZ7DkyGY25Qmlokyi9eL","level":3,"time":"2018-06-29T07:22:18+02:00","remoteAddr":"62.212.166.100","user":"nc_admin","app":"index","method":"GET","url":"\/nextcloud\/index.php\/settings\/user","message":"Exception: {\"Exception\":\"Symfony\\\\Component\\\\Routing\\\\Exception\\\\InvalidParameterException\",\"Message\":\"Parameter \\\"id\\\" for route \\\"external.site.showPage\\\" must match \\\"[^\\\/]++\\\" (\\\"\\\" given) to generate a corresponding URL.\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/html\\\/3rdparty\\\/symfony\\\/routing\\\/Generator\\\/UrlGenerator.php(136): Symfony\\\\Component\\\\Routing\\\\Generator\\\\UrlGenerator->doGenerate(Array, Array, Array, Array, Array, 'external.site.s...', 1, Array, Array)\\n#1 \\\/var\\\/www\\\/html\\\/lib\\\/private\\\/Route\\\/Router.php(337): Symfony\\\\Component\\\\Routing\\\\Generator\\\\UrlGenerator->generate('external.site.s...', Array, 1)\\n#2 \\\/var\\\/www\\\/html\\\/lib\\\/private\\\/Route\\\/CachingRouter.php(60): OC\\\\Route\\\\Router->generate('external.site.s...', Array, false)\\n#3 \\\/var\\\/www\\\/html\\\/lib\\\/private\\\/URLGenerator.php(80): OC\\\\Route\\\\CachingRouter->generate('external.site.s...', Array)\\n#4 \\\/var\\\/www\\\/html\\\/apps\\\/external\\\/lib\\\/Settings\\\/Personal.php(60): OC\\\\URLGenerator->linkToRoute('external.site.s...', Array)\\n#5 \\\/var\\\/www\\\/html\\\/settings\\\/Controller\\\/CommonSettingsTrait.php(115): OCA\\\\External\\\\Settings\\\\Personal->getForm()\\n#6 \\\/var\\\/www\\\/html\\\/settings\\\/Controller\\\/PersonalSettingsController.php(67): OC\\\\Settings\\\\Controller\\\\PersonalSettingsController->formatSettings(Array)\\n#7 \\\/var\\\/www\\\/html\\\/settings\\\/Controller\\\/CommonSettingsTrait.php(126): OC\\\\Settings\\\\Controller\\\\PersonalSettingsController->getSettings('personal-info')\\n#8 \\\/var\\\/www\\\/html\\\/settings\\\/Controller\\\/PersonalSettingsController.php(57): OC\\\\Settings\\\\Controller\\\\PersonalSettingsController->getIndexResponse('personal', 'personal-info')\\n#9 [internal function]: OC\\\\Settings\\\\Controller\\\\PersonalSettingsController->index('personal-info')\\n#10 \\\/var\\\/www\\\/html\\\/lib\\\/private\\\/AppFramework\\\/Http\\\/Dispatcher.php(161): call_user_func_array(Array, Array)\\n#11 \\\/var\\\/www\\\/html\\\/lib\\\/private\\\/AppFramework\\\/Http\\\/Dispatcher.php(91): OC\\\\AppFramework\\\\Http\\\\Dispatcher->executeController(Object(OC\\\\Settings\\\\Controller\\\\PersonalSettingsController), 'index')\\n#12 \\\/var\\\/www\\\/html\\\/lib\\\/private\\\/AppFramework\\\/App.php(115): OC\\\\AppFramework\\\\Http\\\\Dispatcher->dispatch(Object(OC\\\\Settings\\\\Controller\\\\PersonalSettingsController), 'index')\\n#13 \\\/var\\\/www\\\/html\\\/lib\\\/private\\\/AppFramework\\\/Routing\\\/RouteActionHandler.php(47): OC\\\\AppFramework\\\\App::main('OC\\\\\\\\Settings\\\\\\\\Con...', 'index', Object(OC\\\\AppFramework\\\\DependencyInjection\\\\DIContainer), Array)\\n#14 [internal function]: OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler->__invoke(Array)\\n#15 \\\/var\\\/www\\\/html\\\/lib\\\/private\\\/Route\\\/Router.php(297): call_user_func(Object(OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler), Array)\\n#16 \\\/var\\\/www\\\/html\\\/lib\\\/base.php(999): OC\\\\Route\\\\Router->match('\\\/settings\\\/user')\\n#17 \\\/var\\\/www\\\/html\\\/index.php(42): OC::handleRequest()\\n#18 {main}\",\"File\":\"\\\/var\\\/www\\\/html\\\/3rdparty\\\/symfony\\\/routing\\\/Generator\\\/UrlGenerator.php\",\"Line\":163}","userAgent":"Mozilla\/5.0 (X11; Ubuntu; Linux x86_64; rv:60.0) Gecko\/20100101 Firefox\/60.0","version":"13.0.4.0"}