You do this with --telnet-option(or -t), and there are three options available to use: TTYPE=sets the "terminal type" for the session to be . I also tried telnet 443 and that works as well: I get a blank page with the cursor blinking (I've tried using another random port and that gives me an error message, as it should). Connection refused with telnet, curl works - Stack Overflow From another host, running curl example does not return … Both wget and curl reports HTTP response status code 403 Forbidden. ESP8266EX Resources | Espressif Systems 2 virtualbox ping, telnet works but not curl I am using cuckoo sandbox for malware analysis. telnet works but curl fails TELNET. 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. 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". … Using curl to troubleshoot To use curl to test basic network connectivity, you need to know several things: The remote server name or IP address. The protocol for the service to be tested (HTTP, FTP, SMTP, etc.) I have 2 HP-UX on same subnet and having a problem on one about ping. 人気再入荷♪ 【送料無料】キッチン用品・食器・調理器具・陶器 DNS Resolution Fails for ping and curl, but not dig - Ask Different telnet works but curl fails How to test network connectivity with telnet Learn more Wget and curl can work normally, but ping fails. Make sure that something is listening on port 80 and also that there are no firewall rules that would block traffic to port 80 from the IP address... Telnet working doesn't really tell us anything new unfortunately. Below is the list of all CURL errors and the reasons behind these errors. Solved: Ping not returns but ssh/telnet works fine - Hewlett …