The presence of a UL mark doesn't guarantee anything. There are products out there that have fake UL marks.
https://www.ul.com/newsroom/publicnotices/ul-warns-of-potentially-hazardous-led-tube-lamps/...
Short answer is you can't.
The only "proof" you can produce is that you sent the email if it still exists in your "Sent Mail". With personal Gmail accounts, you have no access for logs to confirm delivery. Even with Google Business accounts, logs are only kept for about 30 days.
There are...
Is Active Directory domain even setup? The error message indicates either the workstations are not pointed to the correct DNS servers, or Active Directory environment isn't setup or configured properly.
Very easy. Layer 7 firewalls like Palo alto have the ability to detect various encrypted tunnels and block them without relying on URLs, IPs, or port numbers.
No worries :)
Over the past few years working in education, explaining technical topics to non-technical people requires a hefty lack of nuanced details.
VPNs are blocked to protect the operator of the free wifi service from leeches who mask themselves behind VPNs while doing illegal activities. If you don't agree with what the operator of the free service is doing, then don't use their service.
Unless SSL decryption is utilized, then only the...
Interesting... South Jersey/Philly Comcast Residential and Dynamic Business connections have port 25 inbound blocked as well as the well known SMB sharing ports.
I'm wondering if something on your network is talking to the Amplifi via UPnP and opening up those specific ports......
Couple of long shot ideas to test.......
First, try adding an unmanaged switch in-between the Ubee and the Sonicwall. If everything works, then the Ubee and Sonicwall are not negotiating speed/duplex properly when directly connected
Second idea is to add a Managed/Smart switch in-between the...