Braiam , I guess nsupdate is used to dynamic update which is mentioned in the question. Networker nsupdate is already part of bind, so I don't see how adding another tag will be useful. We don't need to create a new tag for each binary out there. I'm removing them. Add a comment. Active Oldest Votes. Improve this answer. Flup Flup 7, 2 2 gold badges 31 31 silver badges 50 50 bronze badges.
I can confirm this from my side as well. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. That way the general populace doesn't need to talk to your stealth master. Kevin Darcy. It can also happen if the primary master is unavailable or the update merely times out.
My master is hidden and only feeds the two slaves what I called my primary and secondary. My clients don't can't talk directly to the master. So assuming this is expected behavior, can I somehow turn this off at the server end or disable the logging of that message through the BIND configuration?
What changed in BIND 9. I should add that it's impossible to stop my clients from trying to dynamic update. Mark Andrews. What I mean is, the Dynamic Update might have been sent to a slave because the client failed over after trying to update the primary master. Connect and share knowledge within a single location that is structured and easy to search.
For the last 3 months or so I'm having random errors where I can't bind a specific port where our Identity server is running on my local development workstation. At first I thought it's my broken machine, so I reset everything, which kinda fixed the issue for 2 months and now it is back. In the meanwhile other developers saw the same issue. All of us who experience the issue are running Windows 10, but not everyone with Windows 10 has that issue.
After I restart normally due to windows updates or similar the issue comes up again an I need to shut down windows with that command. When I looked for it, the suggested solutions where to restart the machine, but that seems more like a work around, not a real solution.
All of us are pretty sure that the port isn't occupied by anything. I also tried running netstat in an administrator console and similar commands inside bash on windows, but couldn't find anything. I can't even connect to the port via telnet, it says nothing is listening on the port. None of us modified anything on the windows firewall or has any additional anti virus tools installed except the windows 10 default ones. So everything should be on default values.
In both cases after some windows updates where installed. Here a screen from the occupied ports I marked the bordering occupied ports which are right before or after the group of permission-denied-ports.
I can't seem to find anything in the windows event logs although I wouldn't know what to look for exactly and none of those ports shows up any any of my firewall rules. The port which I'd actually want to have opened is but the amount of ports reported with permission denied by my small testing algorithm, but not allocated when checking netstat is confusing me. The reason is that Hyper-V takes over these ports, to prevent it from happening do the following:.
The original solution is here. More information is here. A faulty Windows upgrade is the reason for the problems with reserved tcp ports. In case someone lands up here after facing similar issues post updating Windows to May update which contains WSL2. In my case I also switched docker to WSL2 post which I started facing similar issues with some of my containers.
If you face this issue on Win10 that's because of of an issue in this update do the following. Expanding on the selected answer: if you have Hyper-V enabled, you can temporarily disable it during boot by using bcdedit:. This prevents having to completely remove and re-add the Hyper-V feature, which requires several restarts.
I am having a similar issue right now August and this GitHub issue has some insight into the problem. It seems. Should fix the issue, you might need to start your application before restarting winnat. An attempt was made to access a socket in a way forbidden by its access permissions. Such exclusive access is a new feature of Windows NT 4. How are we doing? Please help us improve Stack Overflow. Take our short survey. Stack Overflow for Teams — Collaborate and share knowledge with a private group.
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