Firewalls are important. UPnP can be bad. Port forwarding, unless there's no other choice, is bad. DMZ is worse.
https://www.theregister.com/AMP/2023/05 ... rabilitty/
https://sec.cloudapps.cisco.com/securit ... de-UqhyTWW
Potential SPA112 security exploit
-
Liptonbrisk
- Technical Support
- Posts: 3049
- Joined: 04/26/2010
- SIP Device Name: Obihai 202/2182, Groundwire
- Firmware Version: various
- ISP Name: FTTH
- Computer OS: Windows 64 bit
- Router: Asuswrt-Merlin & others
Potential SPA112 security exploit
Please do not send me emails; I do not work for nor represent Freephoneline or Fongo. Post questions on the forums so that others may learn from responses or assist you. Thank you. If you have an issue with your account or have a billing issue, submit a ticket here: https://support.fongo.com/hc/requests/new. Visit http://status.fongo.com/ to check FPL/Fongo service status. Freephoneline setup guides can be found at http://forum.fongo.com/viewforum.php?f=15.