February 6, 2009 at 6:08 am
Say I wanted to find out all available open and blocked ports at a server level, what is the best bet to accomplish this? I was originally thinking about using SQL or VBScript to simply use netstat –an and parsing the output looking for specific ports. Will this take into account ACL’s at a router level? Still though, this doesn't seem to be the most efficient method for a true port scan.
Nmap looks interesting, but requires a lot of work when testing multiple servers (talking about around 200 here!). There is a remote Nmap available, but it requires Linux and client side software. I’m trying to build a process that will not require any client side software that I can execute against a control list of servers and dump the results into either a raw file and/or a SQL table.
At this point I'm still not even sure what ports to really target outside of the obvious 21, 80, 443. More or less we want to find out if our servers can talk to the outside world.
Any thoughts, comments, suggestions?
Thanks
February 6, 2009 at 7:21 am
It would help If I tried things before asking ... I installed nmap and am getting the results I was looking for.
Thanks anyways
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