Sharepoint Internet Access

One of the most common scenarios for using sharepoint in organizations is accessing sites from internet for remote users.

To do this there are some simple steps which administrators should care about. Most organizations use firewalls to secure LANs. Steps described here are combination of tasks on firewalls and sharepoint central administration.

1- First of all you have to configure firewall to allow incoming traffic on ports 80 for HTTP and 443 for HTTPS on your server.

2- Open Central Administration and click application management section. Then click Create or Extend Web Application.


3- In new opened page click Extend an Existing web application.


4- Select desired web application that you want to extend for access from Internet.


5- Be sure create a new web site has been selected. Type an appropriate description for new IIS web site. It can be something like Internet Access. Type port 80 and enter your domain name or valid IP address in Host Header. Set file path for IIS web site.

After doing these changes URL field value will automatically change to the value you typed in Host Header field.

For final step select Internet from Zone combo box and then click OK.


After passing these steps you decide to use form authentication or remain on windows integrated authentication.

For users outside organization it could be a good idea to use form authentication with ASPNET Membership provider which gives you the ability to seperates Active Directory users from users coming outside organization. (I’ve placed link to form authentication in previous posts.)

You can also enable anonymous access and give users ability to login. Reza Alirezaei has a complete instruction on this.


22 Responses to Sharepoint Internet Access

  1. Joshua says:

    I tried this still does not work, I get a login page then a this page cannot be found. I think you got me one stop farther though. Thanks for the help!

  2. Amir Mehrani says:

    I think there’s a problem with steps you took. Do you use form authentication or windows authentication? You also may want to enable anonymous access.

  3. Amir Razmjou says:

    I was thinking of the questions you asked me today in interview, It’s great that I’ve came up with a post in your weblog.
    Nice job man…

  4. ghasemi says:

    I want use my sharepoint out of my office and i tride setup sharepoint internet access but i see the error (The page cannot be displayed).
    Do you help me?

  5. Astari Yahya says:

    Halo Amir,
    Thx for your sharing, I am also interesting to sharepoint and would like to specialized in this subject like you.

    My sharepoint installation is :
    – I have one public ip address
    this public ip is added to adsl modem with local ip
    – After that that adsl modem i am connecting to router
    with local ip address and another
    interface with ip address as gateway
    for my internet access.
    – I am setting up a sharepoint server with address with servername : jms-server-3 and
    implementing iis server.
    – I am setting up in my router and adsl modem so all
    request from internet port (80) to address will be running to address
    – it is success with standar iis (showing my pages
    in the iis server) (intranet / internet) success
    when i am trying with sharepoint port 80 website to
    browsing :
    – From intranet it is showing 2 times login first
    login is login to, I am using my stand
    art activedirectory login (administrator) it is
    success and asking second login to my jms-server-3
    and i am entering jms\administrator (in this case
    jms is my domain name) and success.

    – From internet it is showing 1 times login to, i am using my standart
    activedirectory login (administrator) it is
    asking second login but still to and
    after i am inserting password and login it is show
    ing that page not found ?

    please help me thank you ( I am using demo version
    of sharepoint 2007)

  6. santosh says:


    i extended my web application. extended application uses forms authentication on the extended site and windows authentication on the original (intranet) site.

    when i login to the extended application using URL, i am able to login using login form and login credentials.

    application says im signed in as user but access denied error in the content area.

  7. Mona says:

    Thank you so much , it is too helpful

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  18. haritha says:

    hi, i extended my intranet site to internet and given anonymous and windows authentication.but when accessing externally,sign in box is not coming.please let me know is there settings need to do to access on internet

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