Linux Learning Log -- ftpconnect unknown error

Linux Learning Log-ftpconnect unknown error-Linux Enterprise Application-Linux server application information, the following is a detailed description. Symptoms: ftpserver access from the local site: leapftp and flashfxp are used. The command line ftp prompts that the connection is rejected or the ftp: connect Unknown error code is returned. But it can be accessed from ie.

I searched it with the error prompt and did not find a solution.

Solution: Later I thought that the machine had installed the outpost firewall a few days ago. After the trial, I disabled it and disabled its service. So I manually open the firewall, and then run the ftp tool to intercept the firewall, set the permit, and connect smoothly.

Hoho, it seems that the firewall has exited and the Service has stopped. Its underlying driver is still working. It is similar to some anti-virus software.