Someone at the local post office only has to know that a letter going to Florida gets sent to the White Plains post office. From there, someone only has to know that it goes to the New York City branch. From there, someone sends it on a truck to Miami. I think this is asking about the difference between a dynamic and a static IP address — most ISPs will give you a dynamic IP address as standard but will charge you for a fixed IP address; a dynamic IP address is fine if you just use email and the internet, but if, for example, you want to run your own web server, and host it yourself on your own computer, you need a static IP address.
I have some doubts. Can the Mail be tracked back to the MAC no ie. What is the real purpose MAC Address? See the Wikipedia article on the OSI model for more.
Say, for instance, you are a network admin, and somewhere in your network, there is an infected device on port 1. So you go to the office only to find that there is no longer any device plugged in to port 1. If you only used the port 1 information, you would not be able to positively identify the infected device because the device is no longer plugged into port 1.
The only way to truly identify that the infected device is using the MAC address. The purpose of a MAC address among other things is to positively and uniquely identify a device. Very interesting in fact I understood your metaphor. Perhaps you can answer a question.
Windows: Command to Find MAC Address - Technipages
Checking my IP address it appears as all letters. Why would someone want the same mac address as me? How does that happen, and should I be concerned? Dear sir, The ip address at any given time in the internet is unique to a host. Nice to share this info.
Dear Leo, this information is really very valuable. I have a keen interest in network security methods in current times and I wanted to ask something to clarify some things for myself …. I have a system that connects to a router which further connects to my modem. Please help me understand this better.
Thanks in advance.
Best Regards. Please be clear…we are trying to trace an e mail…we have an IP…probably a public access point…now we want to try to find the mAC address of the computer that sent that mail from that public connection??? Is it possible? Does the router retain that address?
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This access point was used to access a hushmail account and that account send the mail we are interested in tracing. A question on the last question. Is it possible for anyone to find the MAC address from an email sent? Consider the following circumstances:. Leo i wanna know that how the webcam chat rooms sites banned us? I usually use vagaters. Some day ago i did the text flooding so vagaters. Now i m not able to login vagaters. Every one can login as guest using any of user name and u can also login using another username,no passward require. IP or MAC or sth else, provided that whatever it is, it will be unique.
How to (remotely) read the MAC address
Thanks a lot!! I think a better way to convey the mac address is to liken it to a post office box. You have a specific box number assigned to you. And if you decide to change it later, you can. In response to the Vagaters comment: Vagaters uses a mix of data available through the browser and http connection to try to identify banned users. Regular IP or cookie bans, which most other chats use, have proven to be inefficient. The site uses the camamba. Leo — Thanks for the insightful piece. As you have noted in many other posts, the recipient of an email sent from Google, Yahoo, etc can often glean the IP address from which it was sent.
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Thanks, J Levin. Hi Leo, Very well explained and similied. Thank you. Thanks a lot. Go to Solution. Find A Community. See the latest announcements from Cisco Live US Turn on suggestions. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Showing results for.
Search instead for. Did you mean:. All community This category This board. Commands to find mac-address and IP on a port. Can someone show me the commands to find a mac-address on a switch and if I know the port I am looking to find it on, also how i find the IP address on that port Solved! Labels: Other Switching. Once again, that's hardware and software working together, IP addresses and MAC addresses working together. For this reason, the MAC address is sometimes referred to as a networking hardware address , the burned-in address BIA , or the physical address.
As you've probably noticed, the MAC address itself doesn't look anything like an IP address see yours here. The MAC address is a string of usually six sets of two-digits or characters, separated by colons. These manufacturers all place a special number sequence called the Organizationally Unique Identifier or OUI in the MAC address that identifies them as the manufacturer. The OUI is typically right at the front of the address. For example, consider a network adapter with the MAC address "
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