# Not able to access websites behind VPN if connected to 5G network Mobile hotspot **URL:** \ **Category:** Pritunl VPN\ **Created:** [December 7, 2023, 10:55am UTC](https://forum.pritunl.com/t/not-able-to-access-websites-behind-vpn-if-connected-to-5g-network-mobile-hotspot/1617 "2023-12-07T10:55:28Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![tejasgupta](https://forum.pritunl.com/letter_avatar_proxy/v4/letter/t/a3d4f5/32.png) [@tejasgupta](https://forum.pritunl.com/u/tejasgupta)\ **Post date:** [December 7, 2023, 10:55am UTC](https://forum.pritunl.com/t/not-able-to-access-websites-behind-vpn-if-connected-to-5g-network-mobile-hotspot/1617/1 "2023-12-07T10:55:28Z")
We have many internal websites behind Pritunl. We are able to access all the websites when we are connected to VPN. But when our device is connected with 5g network mobile hotspot, we are able to connect to VPN but the internal site doesn’t load for us giving us timed-out error ---
**Author:** ![zach](https://forum.pritunl.com/user_avatar/forum.pritunl.com/zach/32/1105_2.png) [@zach](https://forum.pritunl.com/u/zach)\ **Post date:** [December 7, 2023, 10:08pm UTC](https://forum.pritunl.com/t/not-able-to-access-websites-behind-vpn-if-connected-to-5g-network-mobile-hotspot/1617/2 "2023-12-07T22:08:18Z")
This is likely a MTU issue, a recent release fixed the MTU option. After getting the latest release set the Connection MTU option to 1300 and test the connection. ---
**Author:** ![tejasgupta](https://forum.pritunl.com/letter_avatar_proxy/v4/letter/t/a3d4f5/32.png) [@tejasgupta](https://forum.pritunl.com/u/tejasgupta)\ **Post date:** [December 11, 2023, 7:32am UTC](https://forum.pritunl.com/t/not-able-to-access-websites-behind-vpn-if-connected-to-5g-network-mobile-hotspot/1617/3 "2023-12-11T07:32:41Z")
Hi Zach, Thanks for the reply. I want to know if we need to upgrade both Pritunl server and client or just the server for this to be effective? ---
**Author:** ![zach](https://forum.pritunl.com/user_avatar/forum.pritunl.com/zach/32/1105_2.png) [@zach](https://forum.pritunl.com/u/zach)\ **Post date:** [December 12, 2023, 9:39pm UTC](https://forum.pritunl.com/t/not-able-to-access-websites-behind-vpn-if-connected-to-5g-network-mobile-hotspot/1617/4 "2023-12-12T21:39:04Z")
Only the server would need to be upgraded. ---
**Author:** ![Saran\_renu](https://forum.pritunl.com/letter_avatar_proxy/v4/letter/s/b9e5f3/32.png) [@Saran\_renu](https://forum.pritunl.com/u/Saran_renu)\ **Post date:** [January 8, 2025, 1:30pm UTC](https://forum.pritunl.com/t/not-able-to-access-websites-behind-vpn-if-connected-to-5g-network-mobile-hotspot/1617/5 "2025-01-08T13:30:56Z")
I had a similar issue with my airtel mobile hotspot with 5g network. What I understood is Airtel is providing unlimited data connection while we are on 5g network they applied some vpn port forwarding or filtering that causing this issue. I handle it I lower the network from 4g to 5g connection from my mobile settings. it loads the web portal as expected. Give a try it should work for you as well. ---
**Author:** ![zach](https://forum.pritunl.com/user_avatar/forum.pritunl.com/zach/32/1105_2.png) [@zach](https://forum.pritunl.com/u/zach)\ **Post date:** [January 10, 2025, 8:04am UTC](https://forum.pritunl.com/t/not-able-to-access-websites-behind-vpn-if-connected-to-5g-network-mobile-hotspot/1617/6 "2025-01-10T08:04:39Z")
A lot of cellular connections more often ones outside of the United States use carrier grade NAT. This will cause MTU issues and may prevent UDP servers from working. Switching the server to TCP and lowering the MTU may fix the issue. ---
**Author:** ![amplify](https://forum.pritunl.com/letter_avatar_proxy/v4/letter/a/dfb087/32.png) [@amplify](https://forum.pritunl.com/u/amplify)\ **Post date:** [September 25, 2025, 5:31am UTC](https://forum.pritunl.com/t/not-able-to-access-websites-behind-vpn-if-connected-to-5g-network-mobile-hotspot/1617/7 "2025-09-25T05:31:34Z")
Is there a Multi-daemon mode to use both TCP and UDP to load-balance connecting VPN clients across multiple VPN daemons to fully leverage the capability of multi-core servers? I am facing similar issues with users that use T-Mobile 5G network in USA. ---
**Author:** ![zach](https://forum.pritunl.com/user_avatar/forum.pritunl.com/zach/32/1105_2.png) [@zach](https://forum.pritunl.com/u/zach)\ **Post date:** [September 25, 2025, 9:58am UTC](https://forum.pritunl.com/t/not-able-to-access-websites-behind-vpn-if-connected-to-5g-network-mobile-hotspot/1617/8 "2025-09-25T09:58:55Z")
Multiple servers can be created but each server can only have one port and protocol.