2 virtualbox ping, telnet works but not curl I am using cuckoo sandbox for malware analysis. … Basic troubleshooting with telnet and netcat | Enable Sysadmin SSH has replaced telnet for remote access needs, and these days when you … How to test network connectivity with telnet Learn more Wget and curl can work normally, but ping fails. telnet works but curl fails Cannot connect(ping/telnet etc) to server with its hostname but … When I try to curl a site hosted on my Plesk server, FROM my Plesk server, it always fails with "curl: (7) couldn't connect to host". It could be blocked on the website that you're trying to … Connect and share knowledge within a single location that is structured and easy to search. You are able to telnet server on port 80 locally … Select all Open in new window Sometimes the requests get through and the transaction succeeds, and sometimes cURL times out with couldn't connect to host (7) There … When we first attempted to do this I was getting about 50-80% packet loss (ie: 3 pass, 1 fails, 2 pass, 4 fail, 3 pass) Because they were unable to help we changed it back. How To Use Telnet On Windows {GUI or Command Prompt} You do this with --telnet-option(or -t), and there are three options available to use: TTYPE=