Sorry to resurrect this thread, but after recently updating to dsm 7 the "trick" with the "::" stopped working. The only way to access nzbget webadmin now is via the default http locally. Secure access stopped working after the update to dsm 7. I even reinstalled nzbget and restored my working confi...
I've searched the forum, found a similar issue, but unfortunately that didn't help in my case. Here's my constellation. I'm running nzbget 16.4-22 on my Synology Diskstation 414j. All working fine so far. Only thing that doesn't work is access the NZBget webadmin over ipv6. Even on my local network....