CUrl allows you to manipulate the fields of a URL, such as the path or port number. CUrl understands URLs of the following form:://:@:/ (Some fields are optional.) For example, consider this URL.
- The curl command transfers data to or from a network server, using one of the supported protocols (HTTP, HTTPS, FTP, FTPS, SCP, SFTP, TFTP, DICT, TELNET, LDAP or FILE). It is designed to work without user interaction, so it is ideal for use in a shell script.
- If your Windows 10 build is 17063, or later, cUrl is included by default. All you need to do is run Command Prompt with administrative rights and you can use cUrl. The Curl.exe is located at C: Windows System32. If you want to be able to use cUrl from anywhere, consider adding it to Path Environment Variables. CUrl On Windows 7, 8/8.1.
Test TCP connectivity with curl
Adobe indesign mac download. You probably know about curl command: it’s great for downloading web pages or files from a Unix command line. But there’s another great usage curl command has: testing TCP ports connectivity.
Say, you’re helping with some firewall changes and need to confirm that connection from your server to some remote host and specific TCP port still works.
Here’s how you can do it using curl command and its telnet functionality.
Curl Portable
Test SSH port connection with curl
In this example, SSH connection works because:
- We get the “Connected” status
- We see the SSH version prompt: SSH-2.0-OpenSSH_7.4
Test jBoss port 8080 with curl
This scenario shows that connection is refused (probably because there’s no service running on that port).
IMPORTANT: you would probably get a different message if firewall blocks the 8080 port. Adobe flash 9 free download for mac. Connection refused is a clear sign that port is accessible, but nothing’s responding on it.
Curl Port 22
See Also
Curl Port Test
- Using wget and curl
- iptables: keep rules after reboot
Curl Port