Problem With Accessing Site

[stevenng]

I have no problem with uploading files to my domain until yesterday.

Here are ftp log:

13:57:43 Status: Connection established, waiting for welcome message...
13:57:43 Response: 220---------- Welcome to Pure-FTPd [TLS] ----------
13:57:43 Response: 220-You are user number 2 of 50 allowed.
13:57:43 Response: 220-Local time is now 23:57. Server port: 21.
13:57:43 Response: 220-IPv6 connections are also welcome on this server.
13:57:43 Response: 220 You will be disconnected after 15 minutes of inactivity.
13:57:43 Command: USER power
13:57:44 Response: 331 User power OK. Password required
13:57:44 Command: PASS **********
13:57:44 Response: 230-User power has group access to: power
13:57:44 Response: 230 OK. Current restricted directory is /
13:57:44 Status: Connected
13:57:44 Status: Retrieving directory listing...
13:57:44 Command: PWD
13:57:44 Response: 257 "/" is your current location
13:57:44 Command: TYPE I
13:57:44 Response: 200 TYPE is now 8-bit binary
13:57:44 Command: PASV
13:57:45 Response: 227 Entering Passive Mode (74,220,207,181,24,17)
13:57:45 Command: MLSD
13:58:00 Error: Connection timed out
13:58:00 Error: Failed to retrieve directory listing

Can any expert out there any advice how to overcome this problem?