John W. Colby
jwcolby at colbyconsulting.com
Tue Aug 2 22:20:13 CDT 2005
Well, I have tried it at port 59999 as well. Port forwarding is set to the same server, Serv-U is modified to use 59999, I remote desktop to a client machine then try and ftp back in and a definite no go. Sigh. John W. Colby www.ColbyConsulting.com Contribute your unused CPU cycles to a good cause: http://folding.stanford.edu/ -----Original Message----- From: accessd-bounces at databaseadvisors.com [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of John W. Colby Sent: Tuesday, August 02, 2005 11:07 PM To: 'Access Developers discussion and problem solving' Subject: RE: [AccessD] Serv-U >Jason's right John. You can't go back into the internal network by >using another machine that's on the same network subnet. The IP packets can't be routed properly because your source and destination address are going to be the same public IP. That would explain that. What port would be appropriate to set up then? I set up 59999 (one shy of 60k) but of course I was trying to get out and back in. I can remote desktop to a client's machine and ftp back in for testing. John W. Colby www.ColbyConsulting.com Contribute your unused CPU cycles to a good cause: http://folding.stanford.edu/ -----Original Message----- From: accessd-bounces at databaseadvisors.com [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Eric Barro Sent: Tuesday, August 02, 2005 10:11 PM To: 'Access Developers discussion and problem solving' Subject: RE: [AccessD] Serv-U Jason's right John. You can't go back into the internal network by using another machine that's on the same network subnet. The IP packets can't be routed properly because your source and destination address are going to be the same public IP. I also tried to ftp to the IP you specified but I got an error. Most cable providers block inbound port 21 and port 80 since they don't want people setting up servers behind the cable modem. -----Original Message----- From: accessd-bounces at databaseadvisors.com [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Jason Strickland Sent: Tuesday, August 02, 2005 6:34 PM To: 'Access Developers discussion and problem solving' Subject: RE: [AccessD] Serv-U If you are physically on the inside LAN, you cannot connect to the ftp server using the outside address. You need a workstation on the outside to connect to your public IP and you should be able to get in. I tried to ftp to 68.198.141.18 but it timed out. By looking at your Ip, I am assuming you are on cable. Some cable modems issue a DHCP and I am assuming your router is getting the DHCP of 192.168.102.100 and the modem interface is 192.168.102.1 Your dlink then does nat for the other ip range. -Jason -----Original Message----- From: accessd-bounces at databaseadvisors.com [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of John W. Colby Sent: 08/02/2005 8:45 PM To: 'Access Developers discussion and problem solving'; Tech - Database Advisors Inc. Subject: RE: [AccessD] Serv-U All of the machines in my network have Sygate personal firewall installed on them, but I have unloaded (closed) that on both the server and my laptop which I am using to test the FTP server. From my laptop, inside of my network, I can use IE to go to the server ftp address, see the ftp directories etc. I am asked for the username and password by the FTP server, and once I enter them I can see the directories. I can send files from my laptop to the directories for that username. I can move files into those directories directly on the server machine, and I can then see them using IE Explorer and FTPing into that machine (locally). As for "going out and back in, I use No-IP to discover my IP address assigned by the cable company. I then enter that at IE address bar: ftp://68.198.141.18 Doing that, IE "hangs for a long time", then comes back and says it can't find the address. One thing that I have discovered is that the WAN IP address is 192.168.102.100, and the "default gateway" is 192.168.102.1 for the WAN according to the router, whereas the interior IP group is 192.168.122.1XX - (100-199). The LAN IP address is 192.168.122.1 Why is the wan .102.100 and everything else 122.1xx? I have no clue what that means, just that is seems strange to me. The router is the DHCP server for the network (which is a workgroup) and the FTP Server is assigned .106 all of the time, with other machines also assigned specific addresses. I did this so that I could vnc / remote desktop in to my LAN from outside and count on getting to specific machines. I have had all of that working in the past, though I don't guarantee that it still does. It seems to me to be an issue with the router, port forwarding and so forth since I can do everything from inside the network. OTOH, I don't know that my request is even getting out to the internet, never mind back in. John W. Colby www.ColbyConsulting.com Contribute your unused CPU cycles to a good cause: http://folding.stanford.edu/ -----Original Message----- From: accessd-bounces at databaseadvisors.com [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Eric Barro Sent: Tuesday, August 02, 2005 8:08 PM To: 'Access Developers discussion and problem solving' Subject: RE: [AccessD] Serv-U How are you trying to get back out and into your FTP server? Are you trying to get to it using a different machine? Check the firewall settings on the machine to see if it is accepting outside connections for the protocol that FTP is listening on. To check if a particular port is being used by a protocol go to the command prompt and type NETSTAT -a. -----Original Message----- From: accessd-bounces at databaseadvisors.com [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of John W. Colby Sent: Tuesday, August 02, 2005 4:54 PM To: 'Access Developers discussion and problem solving'; Tech - Database Advisors Inc. Subject: [AccessD] Serv-U I am trying to get Serv-U FTP server going on my server here in my office. The install was simple and just worked. It works just fine inside of my network, using ftp://192.168.122.106 (the server IP address) but I cannot see it going out to the internet and coming back in. I have a dlink 624 (I think) router, in which I have forwarded ports 20 and 21 to 192.168.122.106. I just cannot see the server, from my laptop, going out and back in. One of my tech assists suggested that my ISP might be blocking port 20/21, so I set up the server to look for the ftp at 59999 and then used :59999 at the end to try and force contact at that port. That does not work either. Can anyone suggest how to test this thing, coming in from the outside? If anyone out there knows this stuff, and in particular has experience with Serv-U, can you assist me in getting this working. John W. Colby www.ColbyConsulting.com Contribute your unused CPU cycles to a good cause: http://folding.stanford.edu/ -- AccessD mailing list AccessD at databaseadvisors.com http://databaseadvisors.com/mailman/listinfo/accessd Website: http://www.databaseadvisors.com ---------------------------------------------------------------- The information contained in this e-mail message and any file, document, previous e-mail message and/or attachment transmitted herewith is confidential and may be legally privileged. 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Users and employees of the e-mail system are expressly required not to make defamatory statements and not to infringe or authorize any infringement of copyright or any other legal right by email communications. Any such communication is contrary to company policy. The company will not accept any liability in respect of such communication. -- AccessD mailing list AccessD at databaseadvisors.com http://databaseadvisors.com/mailman/listinfo/accessd Website: http://www.databaseadvisors.com -- AccessD mailing list AccessD at databaseadvisors.com http://databaseadvisors.com/mailman/listinfo/accessd Website: http://www.databaseadvisors.com