http://www.canyouseeme.org/
This is a free utility for remotely verifying if a port is open or closed. It is useful to users who wish to verify port forwarding and check to see if a server is running or a firewall or ISP is blocking certain ports.
This is a free utility for remotely verifying if a port is open or closed. It is useful to users who wish to verify port forwarding and check to see if a server is running or a firewall or ISP is blocking certain ports.
Common Ports | |
---|---|
FTP | 21 |
SSH | 22 |
Telnet | 23 |
SMTP | 25 |
DNS | 53 |
HTTP | 80 |
POP3 | 110 |
IMAP | 143 |
Other Applications | |
Remote Desktop | 3389 |
PC Anywhere | 5631 |
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