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odd ftp problem..... possible ISP issue?

By SNGX1275 ยท 5 replies
Nov 20, 2002
  1. The problem I have is I can no longer ftp into my university account, and I need to be able to do this for various reasons.

    In explorer I get: A connection with the server could not be established. I get this error when typing ftp://username@rocket.cc.umr.edu
    I get the same message (not exactly but real similar) when trying to connect with FlashFXP.

    There is not a problem with campus since no one else is having this problem and I talked to a CIS guy and he said there is nothing wrong with any of their servers.
    Now as some of you know I have my roommates computer connected to mine through a crossover cable so he can share my cable connection. I can't get into UMR's ftp from his either. Now I'm not sure how ICS works exactly so I don't know if that rules out a problem with my computer/system/software.
    I can get into any other normal ftp site that I'm supposed to be able to get in.

    I don't know if this is relavent at all but its an observation: I installed Windows.NET the other day and can't remember if I've been able to get into my ftp since then in XP, and I haven't tried in .NET yet.

    So the question is - Is this something my computer is causing - or is this some issue with my ISP that I need to get straightened out?

    Here is a what I get when I do tracert
  2. Phantasm66

    Phantasm66 TS Rookie Posts: 5,734   +7

    Hm.... OK, first things' first, can you connect to it from a command prompt, like this:

    open cmd,

    ftp servername.domainname.com


    If you can connect to OTHER ftp servers, then your port 21 on your machine is not blocked. If OTHER PEOPLE can connect to the uni ftp server, then its up and running and the port is not blocked.

    My guess is that you may have made your way onto some kind of IP ban list for some reason. Do you have a static IP or a dynamically allocated one? Also, are you using any firewalling software, and what happens if you turn it off?

    Internet Connection sharing uses a kind of crude form of Network address translation where computers on the outside would see your roommate's IP as being the same as yours. Only your machine knows any different.

    Can you actually ping this server? Or access other resources on it?
  3. SNGX1275

    SNGX1275 TS Forces Special Topic Starter Posts: 10,729   +409

    Appears I can't connect to anything on port 21.
    Not using any firewall software.
    I have a dynamic IP.

    No idea on how I would have got on some ban list thing, I only connect to UMR on port 21, I don't do anything else with ftp on anything even close to that port number, and to no public ftp.
    What steps should I take to resolve this?
  4. SNGX1275

    SNGX1275 TS Forces Special Topic Starter Posts: 10,729   +409

    Actually - Here's a twist. I boot into windows.net 03 and bang I can get into my account on port 21. So its not an isp issue or a ban issue correct?
    Its something in my windows XP right? Anyone have any ideas now?
  5. SNGX1275

    SNGX1275 TS Forces Special Topic Starter Posts: 10,729   +409

    Well guys - this one is beyond me. I just get back from running some errands (one of which was talking to my ISP who redirected me to call this phone # (which I didn't do yet)). So I thought - well before I call them lets see if this is an XP specific issue, so I boot up into Windows.NET and try it, and it works... so I posted that last response, then my roommate walked in and wanted to use the internet, so I had to boot back into XP (haven't messed with ICS in .net yet). And I thought well what the hell - I'll give it one more shot in XP before I call up the helpdesk. And it worked! Makes absolutely no sense to me, I wish I would have tried in .net a few days ago to see if it was a temp ban on my ip or something, but there would be no reason for me to get banned, I dont' really do anything illegal or do any hammering of sites.
  6. poertner_1274

    poertner_1274 secroF laicepS topShceT Posts: 4,172

    That's messed up, but at least it works now. Maybe something in .NET changed a setting somehow...........I don't know, but keep that phone # handy just in case it happens again.
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