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I am running fedora and i have enabled root user to log in via SSH.(home pc). I have my broadband ISP proving a dynamic IP. My question is, using this ISP-provided IP, is it possible for me to log in to my computer from a remote computer (say, an internet cafe or a different place running windows with putty). I tried this but I am unsuccesful. What should i do to make it work?
Last edited by Tinkster; 08-16-2009 at 07:08 PM.
This is my home PC and it is connected directly to the internet via a Broadband modem. Once I connect to my isp and type ifconfig, it shows the ip assigned to me by the ISP. So, I think there is no firewall sort of things.
this is for purely educational purpose for my students to know about it. So, is there a simple way out for this question...please if you dont mind.
how to define my ip as public. pls let me know.
repo's solution works as long as you know what the current ip assigned by the ISP. I used my solution because my ISP, Alice Telecom Italia will change my router's ip at frequent and unpredictible times. So I had the case where I wanted to logon to my home machine but didn't know what the router's ip was.
If this is not your case then I don't see what the problem is. If this is your case, then if I knew a simpler solution, I would have used it.
Eth0 is connected to the internet, that is why it is not showing ip address, and ppp0 is being assigned ip by ISP (BSNL, India) 220.127.116.11. From what repo said, if I type just ssh 18.104.22.168 from a remote system, I should be able to log in to this pc...maybe I have done something wrong when I accessed from the remote system,I will try again later.
whatismy ip site returned the same value, 22.214.171.124. Thanks
For safety, please don't allow the root user in. Have another user and 'su -' or sudo if you need root access after logging in.
There are huge nums of automated scripts running on the net trying to get in via root.
Thanks, but I am using the system for educational use only, so nothing important in my system. Also, friends, please let me know what one of my friends told is correct or not...
.. It is not possible to log in to your ISP-assigned IP from a remote machine because of a concept called NAT in which your broadband router/modem will assign a local address to your ethernet card eventhough your ISP provides you with a dynamic IP,( but it seems this could be overrided by a software called teamviewer in windows). please throw some light on this...!!
Last edited by rajeshkerala; 08-17-2009 at 10:12 PM.