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I am using wireshark on windows to capture my traffic.
Is there a way to capture the traffic of other computers which are connected to the same LAN.
If it is not possible with wireshark, is there other tool capable of doing this.
If you are connected to the other computers by a network hub, then you will be able to see the other computers' traffic. However, if you are connected through a network switch (which is more likely), then you will not be able to see any of their traffic.
There may be other more intrusive tools to use, possibly some that use arp-spoofing, but I would not recommend this unless you are on your own private network and know what you are doing.
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I want access to remote cassandra with one ip address. how can I change cassandra.yaml to block all ip address except ip that I want to connect?
On current Cassandra versions there's no way to block inbound connections. You can (and you must) enable authentication, but it seems that you want to block before Auth phase.
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I’m changing a server with a bare metal installation with one ip to a new cisco sever with esxi with 3 vm’s, one of them is going to be a nat router to nat the traffic to the other 2 vm’s, is there a way to keep using one just ip ?
I don’t think so, you will need at least 2 one for esxi virtual network to communicate with your network and one for your nat router vm to distribute the traffic via NAT
In fact if your server has CIMC you will need another one to have a remote access to CIMC if you need to recover the server, but it’s not mandatory because you can always connect to CIMC through the console.
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Is it possible to determine network type from iOS application ? How to determine that app is using IPv6 or IPv4 network?
There are ways in which you could test that, but it's a bad ideas in general. Trying to determine the network setup usually means that you're making assumptions, and with all the possibilities in the way networks are configured you're going to get it wrong. Networks can be IPv4-only, IPv6-only, dual stack, IPv6-only with NAT64/DNS64 etc.
The recommended way is to use hostnames with DNS and just connect to whatever you get back. That way your application will not be dependent on any specific technology and just work. If there is no network you'll notice.
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Hello currently im using UDP Messages to communicate my program (Made with Delphi Using IdUDPClient and IdUDPServer) on diferent computers in LAN, but yesterday i had a strange issue, one of the computers was unable to receive messages neither could other computers read his messages, All of the programs use the same UDP Port.
The only solution that worked was Restarting the router, but maybe there is an explication on why that happened?
Thank you.
I guess thats just how UDP works :) Quote from wikipedia:
UDP uses a simple transmission model with a minimum of protocol mechanism. It has no handshaking dialogues, and thus exposes any unreliability of the underlying network protocol to the user's program. As this is normally IP over unreliable media, there is no guarantee of delivery, ordering or duplicate protection.
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How can i check/inspect the performance of some network application via observing the port it used,i want to test the performance of my network game. is it some way, or is it some practice like this?
If my game is connect to port 1009, how can i check the different parameters data outflow , inflow and other metrics on this port.
any ideas,
thanks,
Jibbylala
Sounds like you just need a Packet Sniffer