Tag: Servers

  • How To: Netcat – Check for open ports with the command line

    Kitty Port-checking When troubleshooting a network integration or any other connection issue in Linux, step one is usually a matter of checking to see if the network port on the other side is even responding. Netcat -The network Swiss Army knife (Hobbit, not nmap)- is the right tool for the job. Before we begin, NetCat […]

  • How to: Piece together Port and PID using Netstat, In Linux

    Linux and networking go hand in hand, whether running on the fancy desktop or noisy server. Regardless of which packages you choose to install, chances are, that they require networking for some functionality. A desktop may have some dns-cache, filtering proxy, anonymous socks or ssh-tunnel listening in the background. The server equally busy with its […]

  • How To: Send and receive files with Ncat (formerly NetCat)

    As with any application in Linux, piping the output from an application to a logfile or perhaps another application. Can sometimes clarify what is going on. It would be even better if you could “cat” any output over the Network (Ncat, get it?) to another computer. That is where Ncat comes in. First, some basics […]

  • How To: Banner Grab With NetCat

    Netcat is without any doubt my favorite security tool, it’s always in my toolbox alwayswith me, it comes in handy a few times. It’s the first tool I pick when I need to perform a banner grab, just connect and send some requests and see what it spits back at you (sometimes just random crap). […]