At PBworks, we understand that content filters on internet connections are necessary for businesses and educational institutions to keep networks safe and to keep children from viewing objectionable material. However, sometimes these filters can interfere with legitimate use of PBworks. Here are some technical details of our service, so that you can tweak the settings of your content filters to allow uninterrupted usage of PBworks.
Subdomains
Your Workspace
Each time a workspace is made on PBworks.com, a separate subdomain of our main site is created. If a workspace is named "demosite," the complete address for the site is demosite.pbworks.com.
Other Subdomains
PBworks pulls CSS and Javascript files from other servers on a couple of other subdomains. Here's a list of sites that your users need to be able to access in order to completely use PBworks:
- vs1.pbworks.com
- vs2.pbworks.com
- www.pbworks.com
- my.pbworks.com
- the URL of any workspace they have created
Also, if the users would like to upload videos, they can embed them via YouTube or some other video sharing service or they can use our own video uploader. If they use the video uploader built in to PBworks, then they will also need access to www.fliqz.com. Fliqz.com provides hosting for PBworks videos. It's a bit different than YouTube, because there is no public URL that a video is hosted on. The videos can only be seen while embedded in a PBworks page.
Custom Domains 
If you use a custom domain for your workspace, you should still make these sites an exception in your firewall. Custom domains don't change where the CSS and Javascript files are located, and your users may still want to use the original pbworks.com subdomain.
IP addresses
Your network may be inadvertently blocking PBworks by IP address, which can block key functions, like editing, changing settings, and email delivery. Here are the IP addresses that PBworks uses and should be unblocked. The last three IP addresses are for email delivery, so these should be allowed to deliver email to your users:
| 208.96.6.148 |
| 208.96.32.28 |
| 208.96.18.237 |
|
208.96.18.238
|
| 208.96.32.5 (email delivery) |
| 208.96.6.141 (email delivery) |
| 208.96.6.144 (email delivery) |
Browsers
Supported Browsers
PBworks performs great on most common and popular web browsers. We officially support the use of the following browsers:
- Internet Explorer 6
- Internet Explorer 7
- Firefox 2
- Firefox 3
- Safari 3
- Google Chrome
If you experience difficulty with your workspace, please try accessing the workspace in another browser. This will help our support team narrow down any possible issues.
Browser Versions
Browsers that come with operating systems (like Internet Explorer and Safari) are usually updated via the automatic updates, but you may want to check your browser version (often you can find out which version you're using by clicking on "Help" > "About ..." in your browser' menu). Using the latest full-version (non-beta) of a browser increases your success while using PBworks. When possible, please contact support with the browser version you are using.
Support
PBworks offers support for all workspaces. You can get in touch with our support team by using the "help" link on your workspace. You can read more about our premium support offerings here: http://pbworks.com/content/Support-and-Services
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