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why we telnet to port 80 or 443 to check what issues we telnet these ports

why we telnet to port 443 or 80.

what we check from these telnet connections
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mahesh1818
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mahesh1818
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svsCommented:
Because Web Servers run on ports 80 and/or 443.
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Don JohnstonInstructorCommented:
Are you telnetting to these ports? Are you being told to do this? Is someone else doing this?
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mahesh1818Author Commented:
so all webservers run on port 80 and 443 and when u say webservers it means servers hosting the sites like yahoo.com ,google.com right
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svsCommented:
Right.
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ahoffmannCommented:
> so all webservers run on port 80 and 443 ..
no
> .. and when u say webservers it means servers hosting the sites like yahoo.com ,google.com right
these yes, most likely

> what we check from these telnet connections
you just see if the port can be connected
If you're lucky, it's a webserver on port 80 and you can talk HTTP there.
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mahesh1818Author Commented:
and for example when we do nslookup for e.g yahoo.com we gets ip address that
ip is of webserver not the website right
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ahoffmannCommented:
> .. right
wrong
a website has no IP, just a computer has one (or more)
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