What is port 0 used for in Kubernetes services? [closed] - kubernetes

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When creating a service I see in the list of internal endpoints an entry the looks like myservice.sandbox-cluster:0 TCP along with the ports I explicitly opened. What is the port 0 entry for?

If you are using the GCE Load Balancer, port 0 may be created. port 0 usually means "use any random free port".
Here is the GitHub issue. Here is more info. Email thread about this is here.

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port forwarding with gryphon routers? [closed]

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so, I have been struggling to figure out how to do port forwarding with a gryphon router
when going to the default gateway link thing it seems not to have an option for anything, including port forwarding, which i expected to exist.

Unable to create Kubernetes Cluster in GCP [closed]

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Over the last few hours, I have been trying to create a Kubernetes cluster in GCP. But could not successfully create. The error says "Unable to create the cluser". For sometime, I tried using the web cobsole and later switched to using gcloud. But nothing worked.
Can someone help me here? What is the mistake I am committing.
Regards
Raj
There was an outage: https://status.cloud.google.com/incidents/sqeWSRmcrJZyE2zSrJ74
It should be now resolved for most users. If you are still having troubles it's recommended to get in touch with support team.

Do i need a TCP proxy? [closed]

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Closed 2 years ago.
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I need to intercept the communication between a client computer and the server computer, this communication is done via TCP sockets and i have to store that data in a server.
A TCP proxy can be a right solution or what should i do?
Thanks and sorry for my poor English
A tcp proxy can do the job. Also you could use wireshark on the client or server computer to capture the traffic.

Two instances of microSIP on the same Windows7 [closed]

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I'm testing a Media Server and I need to make multiple SIP calls on the same time. I used microSIP but I failed to find how to launch it with multiple instances. Is any way to launch several instances of microSIP on the same Windows7?
Do you know any other sip client with multiple instances? Linphone doesn't works on my Windows7.
Just copy MicroSIP folder to different folders locations and launch separately

how does a router advertise itself and the hotspot? [closed]

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In which protocol does router use to advertise itself and the network(including the name of the netwrok, like hotspot)?
I haven't found it on the interent, do you have any ideas?
If you refer to Wireless APs, they advertise themselves using the IEEE 802.11 standard. Particularly, beacon frames are used. You can check these frames on Wireshark captures: https://wiki.wireshark.org/SampleCaptures#Wifi_.2F_Wireless_LAN_captures_.2F_802.11
On the other hand, if you mean over the wire, as you have been already told, they do not advertise their name. In IPv6 there is the NDP protocol which advertises routers, but not their names. However, you can use reverse DNS query to obtain the DNS name of a router, so maybe you refer to that.