Web browsers

What do Web browser tell us about you? What do they send into our Web sites? Web browsers tell us your IP address (38.107.179.218) plus there are more things to be paranoid about.

NameValueDescription
Remote IP address38.107.179.218We know who you are and where you are from this Internet Protocol address. Every time you visit a Web site and select something, your IP address is recorded along with the selection and placed in the big marketing database.
Remote host38.107.179.218We know who you are and where you are even if you are behind a proxy server. From this information we can tell which internet service provider you use.
Remote port40593If you use an unusual port to connect to the Internet, we now know it, making attacks on your computer easier.
HTTP_PRAGMAno-cache..
Server prorocolHTTP/1.1HTTP is not safe. HTTPS, when used properly, keeps your information private while travelling across the Internet.
Request methodGETCan be HEAD, GET, PUT, or POST. GET requests can be interfered with more easily than POST requests but neither is safe without additional security.
Accept headertext/html,application/xhtml+xml,text/xml;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5This bit tells us what type of files your Web browser will accept. Some types of files are easier to infect with viruses and worms.
Accept languageen-us,en;q=0.5You tell us what language or languages you can read.
User agent stringCCBot/1.0 (+http://www.commoncrawl.org/bot.html)Your Web browser sends this and you can easily change this if you want to pretend you are using a genuine Android phone instead of just an iPhone. We can see your operating system. We can tell how out of date all your software is.
Auth digestThis field is supplied for some types of logins. If a fake site can trick you into trying to log in, they can see how you log in then use it on the real site to access your accounts.
Auth userThis field is the user name you enter when you are logging in. If a fake site can trick you into trying to log in, they record your user name then log in for their own benefit.
Auth passwordThis field is the password you enter when you are logging in.
Auth typeAnother field used when you are logging in.