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verify if port is listening

Posted on 2014-01-24
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How can I verify if port 443 is really listening on a server? The firewall has an acl for incoming traffic allowing 443 to a specific server, but when I go to the server in IIS its being hosted on it shows port 80 only for that ip. Before I disable the rule I want to be truly sure that 443 is not listening on the server, how can I verfify? Going to https:// would not be an option. In the firewall this rule has very little hits which makes me unsure if it is being used (443), could the hits be that every time I go to https://url.com the hit increases so it is only me?

Thanks.
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Question by:tolinrome
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becraig earned 2000 total points
ID: 39807494
portqry

portqry -i -n server1 -e 443

http://www.microsoft.com/en-us/download/details.aspx?id=17148

This will tell you if the port is filtered or not, also you can use telnet:
telnet server1 443
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