By no means is this a unique idea but here is my version…. Image may be NSFW.
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The problem is trying to validate a certificate on a secure port which you cannot browse to!
For example Lync services can run on port 5061 and you will not be able to browse to that … at least I never was able to Image may be NSFW.
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anyway here is a quick powershell script to do it for you and give you some information on the certificate back
Image may be NSFW.
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Copy and paste from here
param([parameter(Mandatory=$true)][string]$computername,[parameter(Mandatory=$true)][int]$port)
#Create a TCP Socket to the computer and a port number
$tcpsocket = New-Object Net.Sockets.TcpClient($computerName, $port)
#test if the socket got connected
if(!$tcpsocket)
{
Write-Error "Error Opening Connection: $port on $computername Unreachable"
exit 1
}
else
{
#Socket Got connected get the tcp stream ready to read the certificate
write-host "Successfully Connected to $computername on $port" -ForegroundColor Green -BackgroundColor Black
$tcpstream = $tcpsocket.GetStream()
Write-host "Reading SSL Certificate...." -ForegroundColor Yellow -BackgroundColor Black
#Create an SSL Connection
$sslStream = New-Object System.Net.Security.SslStream($tcpstream,$false)
#Force the SSL Connection to send us the certificate
$sslStream.AuthenticateAsClient($computerName)
#Read the certificate
$certinfo = New-Object system.security.cryptography.x509certificates.x509certificate2($sslStream.RemoteCertificate)
}
$returnobj = new-object psobject
$returnobj |Add-Member -MemberType NoteProperty -Name "FriendlyName" -Value $certinfo.FriendlyName
$returnobj |Add-Member -MemberType NoteProperty -Name "SubjectName" -Value $certinfo.SubjectName
$returnobj |Add-Member -MemberType NoteProperty -Name "HasPrivateKey" -Value $certinfo.HasPrivateKey
$returnobj |Add-Member -MemberType NoteProperty -Name "EnhancedKeyUsageList" -Value $certinfo.EnhancedKeyUsageList
$returnobj |Add-Member -MemberType NoteProperty -Name "DnsNameList" -Value $certinfo.DnsNameList
$returnobj |Add-Member -MemberType NoteProperty -Name "SerialNumber" -Value $certinfo.SerialNumber
$returnobj |Add-Member -MemberType NoteProperty -Name "Thumbprint" -Value $certinfo.Thumbprint
$returnobj