Does comcast block FTP servers?

I am trying to get an FTP server working at my home, to transfer family pictures and videos to other family members. But when someone tries to download some files it times out after a few minutes. Could this be my ISP (comcast) or something else?
5 answers Last reply
More about comcast block servers
  1. your router might not have the correct ports open
  2. I unblocked ports 21, 990, and a range of about 5 randome ports
  3. what about port 20 thats part of FTP
  4. Nope didn't unblock that one.
    It is now unblocked and I just need to test it to see it that fixed the problem.
  5. make sure you allow it on your router and firewall side as well
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