Tag: netcat

  • 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: Monitor NetCat File Upload Progress using PV

    Using NetCat to upload files can sometimes be handy, however it would be awesome if you could track the upload ETA and not just stare patiently for a prompt. PV, or “Pipe Viewer”, is a handy little command that allows you to track the progress of any Unix pipe. Using it as an replacement for […]

  • 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). […]

  • Netcat Tutorial: Connect Through Proxy

    If you are performing a pentest, you have to stay as anonymous as you can, even ifyou are performing such a simple task as a banner grab. Anonymity is specially important when performing a bind shell to a remote computer, and you don’t want your computer savvy victim to take notice, or at least, be able to track you.