aaaaand it’s bk again… sigh…
was working for like 1h… not anymore now…
same here. worked for a while, changed character, got stuck in loading screen, restarted. now cannot get to character screen again
hi bliz… can you please gift me the AP i’ve missed out on and the Nazjatar 300 follower exp.
thanks.
Well still blocked on my PC, and i can login on my laptop. Seems auto bann MAC adresses?
Changing MAC address does nothing to solve this issue for me.
Mine is also kinda borked again… I’m trapped in Eastern Kingdoms, if I try to use any method of transport to get to Kalimdor, HS, Boat, Zepplin, it says “Transfer Aborted: Instance not found”
Likely this means that the network problem is stopping it from connecting to the server hosting Kalimdor, but the Eastern Kingdoms one is fine… or already connected at least.
Changing MAC address does nothing to solve this issue for me.
Yes, the MAC address is used for layer 2 connections on a single LAN segment, it is not propagated across the Internet, and so cannot be involved in any layer 3, TCP/IP network issue.
It’s possible that client software like the game client could read your MAC address and transfer it somewhere in an effort to uniquely identify your computer, but this issue is clearly a fault, and not a deliberate effort to block people on Blizzard’s part, if that were the case there are much more effective ways, such as invalidating your account etc.
Edit:
It’s the end of the day for me, so I logged out, to see if it would let me log back in and it does not.
I have the same error WOW51900328
A shame, really - it ll get fixed soon-ish hopefully 
Folks on US forum seem to be of opinion that mostly Linux users are affected, is this the case here as well?
Certainly the case on my network. my laptop, can’t connect since yesterday evening; my wife’s laptop (windows) - works without a single issue.
It’s very interesting, since there are about 50/50 Linux and Windows users reporting the error here as far as I can see… but it’s certainly not exclusively Linux users. I think that ratio does lean towards more Linux users being affected, but my guess is that it’s related to Windows and Linux behaving differently either with round robin DNS, or the timout values in TCP.
Perhaps Blizzard (or their CDN provider) are changing the IP’s of the servers more rapidly to keep ahead of DDoS bots, and Linux tends to cache DNS results as defined in the SOA record, while Windows does not… or possibly it waits longer before timing out the connection, and so the game never tries an alternate server.
Will experiment, as these values are configurable on Linux, obviously.
So I just gave it a quick try and after having not had any success on Linux, I booted into my Windows partition and could log in right away. So it does look like they are blocking Linux machines. Though that could of course just be coincidental. Time to boot back into Linux and try again.
EDIT
Yup, back in Linux and I cannot get past ¨Logging in to game server¨. Guess they are somehow blocking Linux, probably as a low effort way to fight their DDOS attacks.
I think it’s very much co-incidental, it seems amazingly unlikely that they could identify the OS from a single SYN packet sent across the Internet… and, when you think about it, a DDoS is sent from “compromised” machines across the Internet, which are FAR more likely to be Windows based than Linux based.
Well I tried it another five times and each and every single time I logged in straight away on my Windows partition and keep being stuck at ¨Logging in to game server¨ on my Linux system. And someone on the US forums checked it out with Wireshark and it does look like Linux machines are being blackholed at the moment.
EDIT
/u/xelixomega over on reddit gave a pretty good explanation of it in this thread
Along with an equal number of Windows machines… the question is, what is the mechanism… since it should be virtually impossible to tell the difference based on a single packet, and as I said above… it probably wouldn’t get you very car when it comes to a DDoS, since a DDoS probably doesn’t come from Linux machines anyway.
It does seem to be happening, no denying that… but as a Linux and Network engineer, I’m more interested in why… because I can certainly tune the IP stack to change whatever behavior might be causing them to be treated differently.
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This explanation is largely speculation! It suggests that the issue is the GnuTLS headers being recognized in the SSL session initiation, but what I’m seeing is the connection sitting in SYN_WAIT, which means it has not established a connection, so no header was sent.
Also, It broke for me around 10pm, and by midnight it was working again, for an hour and then went down again… I’d like to think this would be the kind of behavior you would expect to see due to a fault or DDoS attack, rather than service being actively blocked.
2 Linux machines : cannot login.
1 Windows machine : no problem.
i cannot log in in either ratail or classic since 8hrs ago, and still cant…
I am dual-booting Linux and Windows, I rebooted a few times just now, and I can always log in on Windows, but never on Linux, so it clearly isn’t a DDoS on the login servers or whatever. Linux is doing something differently than Windows and is not allowed to connect.
Can we please get a blue post giving us some kind of information about this situation ? including the linux part please …
Definitely need this…
Might as well jump in with the Linux crowd for WoW Classic. Girlfriend running under Windows without a problem, my Lutris/Wine environment version logs in, shows realm list and then gets stuck on ‘Logging in to game server’ before disconnecting with ‘Disconnected 51900328’.
Feels bad man.
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Having defended Blizzard above, looking at the packet captures, there’s definitely something fishy going on…
I guess we’ll have to wait and see.