The controller for path '/.well-known/webauthn' was not found or does not implement IController.

System.Web.HttpException: The controller for path '/.well-known/webauthn' was not found or does not implement IController.

System.Web.HttpException (0x80004005): The controller for path '/.well-known/webauthn' was not found or does not implement IController.
   at System.Web.Mvc.DefaultControllerFactory.GetControllerInstance(RequestContext requestContext, Type controllerType)
   at System.Web.Mvc.DefaultControllerFactory.CreateController(RequestContext requestContext, String controllerName)
   at System.Web.Mvc.MvcHandler.ProcessRequestInit(HttpContextBase httpContext, IController& controller, IControllerFactory& factory)
   at System.Web.Mvc.MvcHandler.BeginProcessRequest(HttpContextBase httpContext, AsyncCallback callback, Object state)
   at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step)
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

Logged on Wednesday, April 15, 2026 at 9:33:37 AM

See also:

Server Variables

NameValue
ALL_HTTPHTTP_CONNECTION:close HTTP_ACCEPT:*/* HTTP_ACCEPT_ENCODING:gzip, deflate, br, zstd HTTP_ACCEPT_LANGUAGE:en-US,en;q=0.9 HTTP_COOKIE:_ga=GA1.2.278913720.1776238353; _gid=GA1.2.1999516371.1776238353; _hjSessionUser_328922=eyJpZCI6Ijk0MGI0M2UwLTQ4ZDUtNTZkYi1hY2RjLTY0ZjUxMTA4NmY5MSIsImNyZWF0ZWQiOjE3NzYyMzgzNTQ4OTAsImV4aXN0aW5nIjp0cnVlfQ==; _hjSession_328922=eyJpZCI6Ijk5MGZkNGMyLTYwNGQtNGE1My1hOGY1LWQ1ODJiMzE3ZjVjZSIsImMiOjE3NzYyMzgzNTQ5MDYsInMiOjEsInIiOjEsInNiIjowLCJzciI6MCwic2UiOjAsImZzIjoxLCJzcCI6MH0=; _ga_C755J79PV0=GS2.2.s1776238356$o1$g0$t1776238356$j60$l0$h0; FCCDCF=%5Bnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2C%5B%5B32%2C%22%5B%5C%2212e13adf-63db-4c27-aa4f-43ae0a9ec6c7%5C%22%2C%5B1776238357%2C46000000%5D%5D%22%5D%5D%5D; __gads=ID=f1cd7ca3e9392afa:T=1776238357:RT=1776238357:S=ALNI_MaZ6QD_CQyUalwA1YO5DwGP2f-RUw; __gpi=UID=000013c4aef2b853:T=1776238357:RT=1776238357:S=ALNI_MYdjAN2BOHcAA59a3MEwsM1RfZe_g; __eoi=ID=2f52ffa6fd85ccb1:T=1776238357:RT=1776238357:S=AA-AfjazpozFZEyCXcLGFefYgSdR; FCNEC=%5B%5B%22AKsRol_jxDG-5FEeqSEroP3s944hB5ctlEPBVX38WlI3n91H-EYvaeS7PJZJlnyXeNJC9pNqPceZIh_yqPAgq1QyOrGZHhLBBAmyCz6aQS4RzhIVQf1HHKvXrErNH3em6UpfJsCFghEvuLy5kFeUV0a7SjiJBNa0Dw%3D%3D%22%5D%5D HTTP_HOST:www.semsark.com HTTP_REFERER:https://www.semsark.com/ HTTP_USER_AGENT:Mozilla/5.0 (Linux; Android 8.1.0; Moto G (4)) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Mobile Safari/537.36 PTST/260402.131610 HTTP_SEC_CH_UA_PLATFORM:"Android" HTTP_SEC_CH_UA:" Not A;Brand";v="99", "Chromium";v="147", "Google Chrome";v="147" HTTP_SEC_CH_UA_MOBILE:?1 HTTP_SEC_FETCH_SITE:same-origin HTTP_SEC_FETCH_MODE:cors HTTP_SEC_FETCH_DEST:empty HTTP_PRIORITY:u=1, i
ALL_RAWConnection: close Accept: */* Accept-Encoding: gzip, deflate, br, zstd Accept-Language: en-US,en;q=0.9 Cookie: _ga=GA1.2.278913720.1776238353; _gid=GA1.2.1999516371.1776238353; _hjSessionUser_328922=eyJpZCI6Ijk0MGI0M2UwLTQ4ZDUtNTZkYi1hY2RjLTY0ZjUxMTA4NmY5MSIsImNyZWF0ZWQiOjE3NzYyMzgzNTQ4OTAsImV4aXN0aW5nIjp0cnVlfQ==; _hjSession_328922=eyJpZCI6Ijk5MGZkNGMyLTYwNGQtNGE1My1hOGY1LWQ1ODJiMzE3ZjVjZSIsImMiOjE3NzYyMzgzNTQ5MDYsInMiOjEsInIiOjEsInNiIjowLCJzciI6MCwic2UiOjAsImZzIjoxLCJzcCI6MH0=; _ga_C755J79PV0=GS2.2.s1776238356$o1$g0$t1776238356$j60$l0$h0; FCCDCF=%5Bnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2C%5B%5B32%2C%22%5B%5C%2212e13adf-63db-4c27-aa4f-43ae0a9ec6c7%5C%22%2C%5B1776238357%2C46000000%5D%5D%22%5D%5D%5D; __gads=ID=f1cd7ca3e9392afa:T=1776238357:RT=1776238357:S=ALNI_MaZ6QD_CQyUalwA1YO5DwGP2f-RUw; __gpi=UID=000013c4aef2b853:T=1776238357:RT=1776238357:S=ALNI_MYdjAN2BOHcAA59a3MEwsM1RfZe_g; __eoi=ID=2f52ffa6fd85ccb1:T=1776238357:RT=1776238357:S=AA-AfjazpozFZEyCXcLGFefYgSdR; FCNEC=%5B%5B%22AKsRol_jxDG-5FEeqSEroP3s944hB5ctlEPBVX38WlI3n91H-EYvaeS7PJZJlnyXeNJC9pNqPceZIh_yqPAgq1QyOrGZHhLBBAmyCz6aQS4RzhIVQf1HHKvXrErNH3em6UpfJsCFghEvuLy5kFeUV0a7SjiJBNa0Dw%3D%3D%22%5D%5D Host: www.semsark.com Referer: https://www.semsark.com/ User-Agent: Mozilla/5.0 (Linux; Android 8.1.0; Moto G (4)) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Mobile Safari/537.36 PTST/260402.131610 sec-ch-ua-platform: "Android" sec-ch-ua: " Not A;Brand";v="99", "Chromium";v="147", "Google Chrome";v="147" sec-ch-ua-mobile: ?1 sec-fetch-site: same-origin sec-fetch-mode: cors sec-fetch-dest: empty priority: u=1, i
APPL_MD_PATH/LM/W3SVC/4/ROOT
APPL_PHYSICAL_PATHC:\inetpub\wwwroot\Semsark2\
AUTH_PASSWORD*****
AUTH_TYPE
AUTH_USER
CERT_COOKIE
CERT_FLAGS
CERT_ISSUER
CERT_KEYSIZE256
CERT_SECRETKEYSIZE2048
CERT_SERIALNUMBER
CERT_SERVER_ISSUERC=US, O=Let's Encrypt, CN=R13
CERT_SERVER_SUBJECTCN=www.semsark.com
CERT_SUBJECT
CONTENT_LENGTH0
CONTENT_TYPE
GATEWAY_INTERFACECGI/1.1
HTTP_ACCEPT*/*
HTTP_ACCEPT_ENCODINGgzip, deflate, br, zstd
HTTP_ACCEPT_LANGUAGEen-US,en;q=0.9
HTTP_CONNECTIONclose
HTTP_COOKIE_ga=GA1.2.278913720.1776238353; _gid=GA1.2.1999516371.1776238353; _hjSessionUser_328922=eyJpZCI6Ijk0MGI0M2UwLTQ4ZDUtNTZkYi1hY2RjLTY0ZjUxMTA4NmY5MSIsImNyZWF0ZWQiOjE3NzYyMzgzNTQ4OTAsImV4aXN0aW5nIjp0cnVlfQ==; _hjSession_328922=eyJpZCI6Ijk5MGZkNGMyLTYwNGQtNGE1My1hOGY1LWQ1ODJiMzE3ZjVjZSIsImMiOjE3NzYyMzgzNTQ5MDYsInMiOjEsInIiOjEsInNiIjowLCJzciI6MCwic2UiOjAsImZzIjoxLCJzcCI6MH0=; _ga_C755J79PV0=GS2.2.s1776238356$o1$g0$t1776238356$j60$l0$h0; FCCDCF=%5Bnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2C%5B%5B32%2C%22%5B%5C%2212e13adf-63db-4c27-aa4f-43ae0a9ec6c7%5C%22%2C%5B1776238357%2C46000000%5D%5D%22%5D%5D%5D; __gads=ID=f1cd7ca3e9392afa:T=1776238357:RT=1776238357:S=ALNI_MaZ6QD_CQyUalwA1YO5DwGP2f-RUw; __gpi=UID=000013c4aef2b853:T=1776238357:RT=1776238357:S=ALNI_MYdjAN2BOHcAA59a3MEwsM1RfZe_g; __eoi=ID=2f52ffa6fd85ccb1:T=1776238357:RT=1776238357:S=AA-AfjazpozFZEyCXcLGFefYgSdR; FCNEC=%5B%5B%22AKsRol_jxDG-5FEeqSEroP3s944hB5ctlEPBVX38WlI3n91H-EYvaeS7PJZJlnyXeNJC9pNqPceZIh_yqPAgq1QyOrGZHhLBBAmyCz6aQS4RzhIVQf1HHKvXrErNH3em6UpfJsCFghEvuLy5kFeUV0a7SjiJBNa0Dw%3D%3D%22%5D%5D
HTTP_HOSTwww.semsark.com
HTTP_PRIORITYu=1, i
HTTP_REFERERhttps://www.semsark.com/
HTTP_SEC_CH_UA" Not A;Brand";v="99", "Chromium";v="147", "Google Chrome";v="147"
HTTP_SEC_CH_UA_MOBILE?1
HTTP_SEC_CH_UA_PLATFORM"Android"
HTTP_SEC_FETCH_DESTempty
HTTP_SEC_FETCH_MODEcors
HTTP_SEC_FETCH_SITEsame-origin
HTTP_USER_AGENTMozilla/5.0 (Linux; Android 8.1.0; Moto G (4)) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Mobile Safari/537.36 PTST/260402.131610
HTTPSon
HTTPS_KEYSIZE256
HTTPS_SECRETKEYSIZE2048
HTTPS_SERVER_ISSUERC=US, O=Let's Encrypt, CN=R13
HTTPS_SERVER_SUBJECTCN=www.semsark.com
INSTANCE_ID4
INSTANCE_META_PATH/LM/W3SVC/4
LOCAL_ADDR172.31.24.199
LOGON_USER
PATH_INFO/.well-known/webauthn
PATH_TRANSLATEDC:\inetpub\wwwroot\Semsark2\.well-known\webauthn
QUERY_STRING
REMOTE_ADDR34.125.110.195
REMOTE_HOST34.125.110.195
REMOTE_PORT22272
REMOTE_USER
REQUEST_METHODGET
SCRIPT_NAME/.well-known/webauthn
SERVER_NAMEwww.semsark.com
SERVER_PORT443
SERVER_PORT_SECURE1
SERVER_PROTOCOLHTTP/1.1
SERVER_SOFTWAREMicrosoft-IIS/10.0
URL/.well-known/webauthn