What are the differences in closed, open, and filtered ports on a firewall? | Using nmap or other tools, you may have seen results that say open, closed, or filtered. Here is some insight into what this all means!
How to Install the Latest Wireshark from Source on Debian or Ubuntu Linux | Wireshark unfortunately does not provide a .deb package for their releases. However, it is possible to create and install a .deb package from source. I’ll show you how!
Tunnel DNS through ssh -D socks proxy | When using ssh -D to setup a socks proxy, DNS queries and DNS traffic are not sent through the ssh tunnel. However, with Firefox a config change can be made to send DNS traffic through the ssh tunnel. Here’s how it works! First, establish an ssh proxy: $ ssh -D 9000 user@host Then in Firefox,
How to Read a Packet Capture .cap File from Command Line | There are a couple of ways to read a packet capture .cap file from the command line. I’ll show you how! tcpdump The tack r filename option for tcpdump will display a capture file onto the screen. Pipe it to less to get something to scroll. $ tcpdump -r mycapturefile.cap | less $ tcpdump -r