X-Post: Emby FreeBSD 10.3 not validating Premier key

[doug.dimick 12]

Crossposting from Premier Support as I'm not sure where it belongs. This is a previously working Emby Premier install. I'm not certain when it broke, but currently:

2016-04-09 12:22:20.9293 Info HttpClient: HttpClientManager POST: http://www.mb3admin.com/admin/service/registration/validate
2016-04-09 12:22:20.9456 Error SecurityManager: Error checking registration status of MBSupporter
    *** Error Report ***
    Version: 3.0.5911.0
    Command line: /usr/local/lib/emby-server/MediaBrowser.Server.Mono.exe -ffmpeg /usr/local/bin/ffmpeg -ffprobe /usr/local/bin/ffprobe -programdata /var/db/emby-server
    Operating system: Unix 10.3.0.0
    Processor count: 4
    64-Bit OS: True
    64-Bit Process: True
    Program data path: /var/db/emby-server
    Mono: 4.2.2 (Stable 4.2.2.10/7b87787 Tue Apr 5 01:43:49 UTC 2016)
    Application Path: /usr/local/lib/emby-server/MediaBrowser.Server.Mono.exe
    Type definitions should start with a '{', expecting serialized type 'RegRecord', got string starting with: GIF89a ? ? !? , ;
    System.Runtime.Serialization.SerializationException
     at ServiceStack.Text.Common.DeserializeTypeRefJson.StringToType (ServiceStack.Text.TypeConfig typeConfig, System.String strType, ServiceStack.EmptyCtorDelegate ctorFn, System.Collections.Generic.Dictionary`2 typeAccessorMap) <0x2d5820 + 0x010d9> in <filename unknown>:0
     at ServiceStack.Text.Common.DeserializeType`1+<>c__DisplayClass3[TSerializer].<GetParseMethod>b__1 (System.String value) <0x2d5760 + 0x00035> in <filename unknown>:0
     at ServiceStack.Text.Json.JsonReader`1[T].Parse (System.String value) <0x2b5e90 + 0x0026c> in <filename unknown>:0
     at ServiceStack.Text.JsonSerializer.DeserializeFromString[T] (System.String value) <0x2b5160 + 0x00081> in <filename unknown>:0
     at ServiceStack.Text.JsonSerializer.DeserializeFromStream[T] (System.IO.Stream stream) <0x2b49e0 + 0x0009f> in <filename unknown>:0
     at MediaBrowser.Common.Implementations.Serialization.JsonSerializer.DeserializeFromStream[T] (System.IO.Stream stream) <0x2b4920 + 0x00042> in <filename unknown>:0
     at MediaBrowser.Common.Implementations.Security.PluginSecurityManager+<GetRegistrationStatusInternal>c__async2.MoveNext () <0x898620 + 0x00906> in <filename unknown>:0

[doug.dimick 12]

Resolved, issue was due to an overactive DNS blacklist filter on pfBlockerNG, nothing to do with Emby.