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Closed 3 days ago.
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I am trying to detect ARP Poisoning Attack (ARP: Address Resolution Protocol).
I tried this command in CMD:
> arp -a
I would like to know what exactly this command displays and if in the output of this command if I find that two different IP addresses have same MAC address does it mean that ARP Poisoning is happening.
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Closed 8 days ago.
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I'm reading about csma/cd and i think to myself that in a lan with utp it is make sense because it has special pair for sending and special ones for receiving at the same time.
but i think in fiber and coaxil cable! what about them csma/cd can't be applied on the lan based on coaxil or fiber optic?
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Closed 8 months ago.
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This is my setup
I'm trying to SSH into a diferent subnet on my local net, I can SSH from PC 2 to PC 1 but not the other way around. router has DHCP enabled.
You need to configure a firewall rule on the router to allow the ingress traffic. I suggest you configure port forwarding. You can follow this link[1] for a detailed guide.
[1] https://phoenixnap.com/kb/ssh-port-forwarding
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Closed 1 year ago.
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I'm beginner at networking, I notice that after configuring a network when I try to test the network connectivity with sending msg every time at the first attempt It always says "Failed" and then it says "successful" . what is the reason ?
when you try to ping the device, the first packet will fail. that time it will initiate the packet for the first time.
1). your MAC address table does not have destination Addresses.
2). Routing entry will not there.
after finding the destination of the device it will flow the packet without failure.
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Closed 5 years ago.
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I have a Windows Server 2012 R2 Standard using a D-Link router. I want to Configure it using Static IP Addresses.
Try to turn off the firewall and ping to test the response.
If that does work, then re-enable the firewall and allow ping.
https://blog.blksthl.com/2012/11/20/how-to-enable-ping-in-windows-server-2012/
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Closed 9 years ago.
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Sorry for the language mistakes I've made. I don't have static IP to be accessible from outside world so I want to run a dead simple http server on my dynamic IP which I get from DHCP of my local provider. How can I make it?
I use Ubuntu and similar with nginx. I tried something like this:
~path/to/index.html$ python -m SimpleHTTPServer 80 #of course nothing
Yes you can,
But you must use a proxy like:
DYN DNS
NO-IP
etc.
These sites gives you a link static IP and forwards it to your dynamic IP address.
The IP provider needs to be updated with your current IP.
This is done either via a service on your computer, or via your router (if it supports Dynamic DNS it).
The conclusion is that your current IP address must somehow be connected to a DNS (like www.something.org).