Can you use Let's Encrypt certificate for port 8090 error web pages (Captive Portal?)

I've been using a self-certificate with it's name being the IP address of Port 1 (my LAN). And in Admin and User Settings, I specify this certificate and set it to Use the IP Address of the First Internal...
IPSEC connection showing this error Couldn't authenticate the local gateway. Check the authentication settings on both devices.

We are trying to setup a IPSEC tunnel between a Sophos Firewall and a ISR4300 After activating its showing error Couldn't authenticate the local gateway. Check the authentication settings on both devices...
Sophos Clientless SSL VPN RDP Bockmark

Hi there, I am looking to configure a RDP Bockmark to allow our user to use the terminal servers on the road without using a VPN. Because of security reasons I want to use NLA, my question woud be is...
Radius Authentication over SD-WAN

I have radius authentication working locally from the Sophos Firewall to the local radius server for both VPN and for WiFi authentication, however I am unable to get the authentication working from the...
Cannot establish NTLM Authentication channel

Lots of posts about this. Here is an example. AD SSO - Cannot establish NTLM authentication channel with xxx Seems like the recommendation is to disable AD SSO in all zones. But what if we want SSO...