You'll find steps below on configuring your company's firewall and mail servers, to ensure your users can access Pluralsight Skills.
Please make certain you configure the following hosts as trusted senders on your email server and firewall so that mail from Pluralsight isn't rejected.
- Mandrill, IP address 126.96.36.199
- Sparkpost, IP addresses 188.8.131.52 and 184.108.40.206, @appmail.pluralsight.com
Please make sure firstname.lastname@example.org and @appmail.pluralsight.com are not routed to spam. If you don't do this, your users may not receive their business subscription invitations and password reset emails.
If your organization elects into customer marketing communications, typically around adoption and engagement, please allowlist and configure this host as a trusted sender on your email server and firewall:
- Marketo, @create.pluralsight.com, IP address 220.127.116.11
This is optional and only necessary for organizations that are working with Pluralsight and using customer marketing communications.
Be sure to allowlist the following hosts in your firewall for outbound TCP connections over ports 80 and 443 (for HTTP and HTTPS, respectively):
For Pluralsight Skills interactive courses, please also allow WSS traffic over port 443.
Pluralsight Skills uses Cloudflare, Cachefly, Edgecast, and AWS.
- To view all Cloudflare IP addresses, please see this Cloudflare list (external site, opens in new tab).
- To view Cachefly IPs, please see this Cachefly list (external site, opens in new tab).
- To view Edgecast IPs, please see this Edgecast list (external site, opens in new tab).
- To view our Amazon AWS IP addresses (US-West-2 and Cloudfront), please see this AWS list (external site, opens in new tab).
To verify that a local firewall is not blocking access to our video servers, please try downloading this 40MB video file directly from our content delivery network (opens in new tab). If your firewall is rejecting our videos, you'll likely see 403 Forbidden. This may include a message explaining why your firewall blocked your request.
If you still are having issues with our content, especially playing videos, please reach out to your IT Ops team to make sure the subdomains below are allowed through your network firewall and any security appliance.
|Subdomains||Content delivery network|
Video course exercise files
To allow your users to download and use exercise files associated with video courses, please add the following domain:
To view and use discussion boards on video courses and projects, please allowlist Disqus.com.
|Projects||Labs and Sandboxes||Interactive Courses|
|Pluralsight Skills projects require local access to your command line and an IDE, and network access to the following:||Required for general labs and sandboxes:|
For AWS labs, please allow Amazon's list of IP addresses (external site, opens in new tab).
For Microsoft Azure labs, please also allow Microsoft's list of URLs (external site, opens in new tab).
|For Pluralsight Skills interactive courses, please allow WSS traffic over port 443.|
For Pluralsight Flow access: if you’re using Flow with an internal server or behind a firewall, please allow Flow’s static IP addresses.
If you need help, please email Support (opens email form) for 24/7 assistance.