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Networking concepts
  • Introduction
  • DNS
    • Introduction
    • DNS query
  • SSH
    • Introduction
    • Basics
    • SSH tunneling
      • Direct SSH tunnel
      • Reverse SSH tunnel
      • Dynamic SSH tunnel
    • SSH public key authentication
    • Port forwarding with virtual interface
    • sshd
    • scp/sftp
  • 🔫Networking tools
    • configuration & information
      • ip
      • netstat/netsh
      • ifconfig/ipconfig/iwconfig
      • arp
      • route
      • ps
      • ss
      • lsof
      • pgrep
      • nmcli
      • Information about services/processes & PID
    • monitoring & troubleshooting
      • ping
      • tracert/traceroute
      • mtr
      • iperf3
    • domain information
      • dig/nslookup
      • whois
      • host
    • capture & analysis
      • tcpdump
      • ngrep
      • wireshark
    • firewall & security
      • iptables
      • nft
    • services
      • dnsmasq
      • hostapd
      • RDP/VNC
      • ngrok
      • networking.service
      • NetworkManager.service
      • nginx
      • apache
      • nfs
    • miscellaneous
      • cURL
      • wget
      • netwox
      • netcat
      • openssl
      • socat
      • ftp
      • smbclient
    • proxy & tunneling
      • proxychains
    • Programming/scripting
      • Python
      • C
  • 🤩Interesting concepts
    • Simple tips & tricks
    • Network hole punching
    • SSH Over HTTPS
  • Network ports & services cheat sheet
    • 20/21/tcp ~ ftp
    • 22/tcp ~ ssh
    • 23/tcp ~ telnet
    • ...
  • For-fun projects
    • Raspberry pi + Windows machine experiments
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RDP/VNC

Determine if RDP (TCP port 3389) is running

$ sudo ss -tln | grep 3389
$ sudo lsof -i :3389
$ sudo netstat -tln | grep 3389 # legacy
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Last updated 9 months ago

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