Αποτελέσματα Αναζήτησης
12 Φεβ 2021 · Put ssh in a VPN tunnel. Set up a VPN like wireguard, which does not respond to port scans. Make the sshd on the server listen only on the private IP of the wireguard interface. Then ssh into the server using wireguards internal ip on the client.
9 Φεβ 2017 · for closing open port in ubuntu you can use below command. sudo kill $(sudo lsof -t -i:3000) in place of 3000 you can specify your port number. lsof command will give information about file opened by process.
21 Ιουλ 2024 · Learn how to limit ssh TCP port 22 connection to deny connections from an IP address that has attempted to initiate lots connections with ufw.
It isn't really possible to simply "close a port" from outside the application that opened the socket listening on it. The only way to do this is to completely kill the process that owns the port. Then, in about a minute or two, the port will become available again for use.
14 Ιουν 2022 · How to Close Ports. Like opening ports, there are numerous commands for closing ports. Upon discovery of an open port that should be closed. The easiest way as before is using ufw. Let’s start by blocking port 22: sudo ufw deny 22
a better command to run would be netstat -lntup-l=listen -n=number -t=tcp -u=udp -p=pid. Shows what processes you have running and what ports they're exposing. Anything open to 127.0.0.1 is inaccessible to the internet. –
2 Δεκ 2019 · You can allow incoming SSH connection with the following command: ufw allow ssh. Or. ufw allow 22. If your SSH is configured to listen on a different port (2222 )then run the following command: ufw allow 2222.
