Foros del web, para los que viven de bits

<form id ="form1" runat="server" autocomplete="off">
<asp: Textbox ID="TextBox1" runat="server"></asp>
<script>
// inicio -->type="text/javascript"
function SistemaOperativo() {
if (navigator.userAgent.indexOf('IRIX') != -1) {var SO = "Irix" }
else if ((navigator.userAgent.indexOf('Win') != -1) && (navigator.userAgent.indexOf('98') != -1)) {var SO= "Windows 98"}
else if ((navigator.userAgent.indexOf('Win') != -1) && (navigator.userAgent.indexOf('95') != -1)) {var SO= "Windows 95"}
else if (navigator.appVersion.indexOf("16") !=-1) {var SO= "Windows 3.1"}
else if (navigator.userAgent.indexOf("NT 5.1") !=-1) {var SO= "Windows XP"}
else if (navigator.userAgent.indexOf("NT 5.2") !=-1) {var SO= "Windows Server 2003"}
else if (navigator.userAgent.indexOf("NT 5") !=-1) {var SO= "Windows 2000"}
else if (navigator.userAgent.indexOf("NT 6") !=-1) {var SO= "Windows Vista"}
else if (navigator.appVersion.indexOf("NT") !=-1) {var SO= "Windows NT"}
else if (navigator.appVersion.indexOf("SunOS") !=-1) {var SO= "SunOS"}
else if (navigator.appVersion.indexOf("Linux") !=-1) {var SO= "Linux"}
else if (navigator.userAgent.indexOf('Mac') != -1) {var SO= "Macintosh"}
else if (navigator.appName=="WebTV Internet Terminal") {var SO="WebTV"}
else if (navigator.appVersion.indexOf("HP") !=-1) {var SO="HP-UX"}
else {var SO= "No identificado"}
return SO;}
var SO= SistemaOperativo(); document.write(SO);
document.form1.TextBox1.defaultValue =SO;
</script>
</form>

document.form1.TextBox1.defaultValue =SO;

<%'mostrando la ip, el browser y el s.o. del cliente
ua = Request.ServerVariables("HTTP_USER_AGENT")
os = Request.ServerVariables("HTTP_UA_OS")
If Instr(ua, "MSIE") Then
If Instr(ua, "MSIE 5.") Then
Browser = "Microsoft Internet Explorer 5.x"
Elseif Instr(ua, "MSIE 4.") Then
Browser = "Microsoft Internet Explorer 4.x"
Elseif Instr(ua, "MSIE 3.") Then
Browser = "Microsoft Internet Explorer 3.x"
If Instr(ua, "MSIE 3.02") Then
Browser = "Microsoft Internet Explorer 3.02"
End If
Else
Browser = "Microsoft Internet Explorer"
End If
ElseIf Instr(ua, "Mozilla") and Instr(ua, "compatible") = 0 Then
If Instr(ua, "Mozilla/4") Then
Browser = "Netscape Navigator 4.x"
Elseif Instr(ua, "Mozilla/3") Then
Browser = "Netscape Navigator 3.x"
Else
Browser = "Netscape Navigator"
End If
End If

If Instr(ua, "Windows 95") or Instr(ua, "Win95") Then
System = "Windows 95"
Elseif Instr(ua, "Windows 98") or Instr(ua, "Win98") Then
System = "Windows 98"
Elseif Instr(ua, "Windows 3.1") or Instr(os, "Win16") Then
System = "Windows 3.x/Windows NT 3.x"
Elseif Instr(ua, "NT") or Instr(oa, "NT") Then
System = "Windows NT"
Elseif Instr(ua, "Mac") Then
System = "Mac"
If Instr(ua, "PowerPC") or Instr(ua, "PPC") Then
System = "Mac PPC"
Elseif Instr(ua, "68000") or Instr(ua, "68K") Then
System = "Mac 68K"
End If
Elseif Instr(ua, "X11") Then
System = "UNIX"
End If
%>

Tu Browser es: <%=Browser%> Bajo un sistema operativo: <%=System%>.
Tu IP es: <%=Request.ServerVariables("Remote_Addr")%>