The range of ephemeral ports that need to be opened up is dependent on the configuration of the server machine that is running the FTP server software -- not the ephemeral Lars NoodénMarch 21st, 2012, 04:38 PMAre you using passive mode? This will cause a keepalive to be sent on all TCP streams once every minute regardless of activity on the socket. Solution 2: The network administrator of the server network can consult the firewall vendor's documentation to see if FTP connections can be dynamically monitored and ports dynamically opened when a passive http://3swindows.com/could-not/web-service-sockettimeoutexception-read-timed-out.html
Although it now works more often than not, I am STILL occasionally getting the same old error! –Alex R Nov 17 '09 at 5:02 | show 2 more comments up vote ncftpget /Invoices/*.pdf: timed out while waiting for server response. Can you ftp manually to the new remote backup server from your server. asked 2 years ago viewed 2174 times active 2 years ago Related 1Can Tunnelier connect to a FTP (port 21)0Failure in connecting FTP via FTP clients2FTP client connecting successfully but times http://superuser.com/questions/732908/active-ftp-connection-is-timing-out
ncftp / > dir > dir Cmd: PORT 192,168,1,36,221,20 200: PORT command successful. In the diagram, a router is used to segregate two networks. Why PASV Poses Problems for FTP Servers on Internal Networks [Contents] The other server-side problem that can occur is when a client is trying to access an FTP server on an Therefore, unless the operating system provides a mechanism to configure the timer and the system administrator of the machine running the application program has bothered to configure the timer, a program
User beas has been backed up. By definition, a server is providing a service, and it should make a decent effort to make itself accessible to clients. Safe way to get a few more inches under car on flat surface Should we kill the features that users are not using frequently, to improve performance? User a has been backed up.
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The actual error is "Could not read reply from control connection -- timed out." This error occurs after a few minutes, after a good chunk of the file has already been It's send periodically by the FTP client to prevent the command channel from timing out. first i login... -------------------------------------------------------------------------------- [[email protected] ~]# ftp 184.108.40.206 Using username "root". Contact Support: Support Chat SKYPE 888.321.HOST(4678) WEB HOSTING BUSINESS HOSTING VPS HOSTING DEDICATED SERVERS RESELLER HOSTING WORDPRESS HOSTING MANAGED HOSTING PREMIER SUPPORT ™ DOMAINS WEB DESIGN WEB DESIGN SERVICES CREATE YOUR
If you need further assistance please feel free to contact us. http://www.inmotionhosting.com/support/community-support/file-management/upload-issues ncftpput /home/tmp/admin/d.tar.gz: socket write error. Server: 227 Entering Passive Mode (172,16,3,4,204,173) The server replies with port 52397 on IP address 172.16.3.4. In a nutshell, PORT is used to have the server connect to the client, and PASV is used to have the client connect to the server.
For problem (2), this means that it is impossible to for FTP to work with a configuration where only a handful of well-known ports are allowed in and all other ports When this happens, a client user cannot use PORT because the FTP server cannot connect back to the client program listening ephemeral port number, and a client user cannot use PASV Can this number be written in (3^x) - 1 format? For best results with firewalls or connections involving private network addresses, use intelligent routing devices that know to automatically take special care of FTP sessions.
I have to try a few more times to make sure it's not random chance. –Alex R Nov 15 '09 at 23:22 I believe the documentation on that page User compania has been backed up. ncftpput /home/tmp/ramdileo/beas.tar.gz: could not send file to remote host. his comment is here Qnito Incorporated 848 North Rainbow Blvd., Suite #3789 Las Vegas, NV 89107-1103 Reply With Quote 10-20-2007,06:15 AM #6 Ramdileo View Profile View Forum Posts Verified User Join Date Jun 2007 Posts
Category: File Management MattD 5 Points Asked: 2012-01-17 12:34 pm EST Hits: 4,421 I am having problems uploading files. The seem to get all the way to the end of the upload and then stall and restart again. Do you have ports 20 and 21 tcp open? 0 LVL 1 Overall: Level 1 Message Author Comment by:abalonia ID: 213108672008-04-08 Yes, the firewall is accepting packets to ports 20
This is revision 1.1.1 (April 18, 2005) of this document. Or, a client program can choose passive mode by using the "PASV" command to ask that the server tell the client an IP address and port number that the client can The client is running a webpage which is accessible externally and is linked to a DNS name. If the connection is really timed out, it won't receive a reply to the heartbeat message and will then be properly closed by the TCP stack, and if a heartbeat reply
Client: QUIT Server: 221 Goodbye. correct? –Lyhan Mar 25 '14 at 9:09 add a comment| up vote 0 down vote accepted After investigating a lot and a lot of frustration... It seems that vsftpd doesn't like NFS, even when the permissions are all world-readable and executable. 0 LVL 40 Overall: Level 40 Linux Distributions 13 Server Software 9 Networking Protocols I tried commenting out connect_from_port_20 in the config file, but I got the same error.
Anyhow, regardless of answer, I'll try it. –Alex R Nov 15 '09 at 23:02 I have done 2 tests and all have succeeded after applying this change. This is similar to Redundant Arrays of Inexpensive Disks (RAID), only instead of disks the array is of TCP/IP servers. The ramifications for problem (1) are that routing devices must maintain state information for the control connection where the FTP conversation between client and server takes place, and subsequent data connections. Lost data connection to remote host: Broken pipe.
The protocol was first standardized in the early 1970's Â decades before most networks were protected by strict firewalls that drop incoming packets first, ask questions later. The File Transfer Protocol (FTP) and Your Firewall / Network Address Translation (NAT) Router / Load-Balancing Router The File Transfer Protocol has held up remarkably well over the years.