Trouble logging in to server

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mpurvis
500 Command not understood
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Joined: 2020-12-14 18:34
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Trouble logging in to server

#1 Post by mpurvis » 2020-12-15 11:36

Keep receiving the same error. Our IT folks (in a different location) can log in just fine. Error message is as follows:

Response: 220-IPv6 connections are also welcome on this server.
Response: 220 You will be disconnected after 60 minutes of inactivity.
Status: Plain FTP is insecure. Please switch to FTP over TLS.
Command: USER dev@acucomplogin.com
Error: Connection closed by server
Error: Could not connect to server

any help/insight would be greatly appreciated.

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boco
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Location: Germany

Re: Trouble logging in to server

#2 Post by boco » 2020-12-15 12:45

Please test the server using our test site: https://ftptest.net

If the test succeeds (according to your report, it should), either your FileZilla is blocked by a firewall, or the server has banned your IP.
### BEGIN SIGNATURE BLOCK ###
No support requests per PM! You will NOT get any reply!!!
FTP connection problems? Do yourself a favor and read Network Configuration.
FileZilla connection test: https://filezilla-project.org/conntest.php
### END SIGNATURE BLOCK ###

mpurvis
500 Command not understood
Posts: 3
Joined: 2020-12-14 18:34
First name: mark
Last name: purvis

Re: Trouble logging in to server

#3 Post by mpurvis » 2020-12-15 16:45

Thank you for the quick response.

Well, this was the result (and please forgive me, I'm not the most tech savvy person):


Status: Resolving address of 173.254.223.50

Status: Connecting to 173.254.223.50

Warning: The entered address does not resolve to an IPv6 address.

Status: Connected, waiting for welcome message...

Reply: 220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------

Reply: 220-You are user number 1 of 100 allowed.

Reply: 220-Local time is now 08:42. Server port: 21.

Reply: 220-This is a private system - No anonymous login

Reply: 220-IPv6 connections are also welcome on this server.

Reply: 220 You will be disconnected after 60 minutes of inactivity.

Command: CLNT https://ftptest.net on behalf of 52.251.57.250

Reply: 530 You aren't logged in

Command: AUTH TLS

Reply: 500 This security scheme is not implemented

Warning: Server refused AUTH TLS, trying deprecated AUTH SSL fallback.

Command: AUTH SSL

Reply: 500 This security scheme is not implemented

Error: Server refused FTP over TLS

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boco
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Location: Germany

Re: Trouble logging in to server

#4 Post by boco » 2020-12-16 10:02

On the test site, you need to set protocol to "Allow fallback to plain FTP (insecure)" and repeat the test. Your server does not support secure FTP at all.
### BEGIN SIGNATURE BLOCK ###
No support requests per PM! You will NOT get any reply!!!
FTP connection problems? Do yourself a favor and read Network Configuration.
FileZilla connection test: https://filezilla-project.org/conntest.php
### END SIGNATURE BLOCK ###

mpurvis
500 Command not understood
Posts: 3
Joined: 2020-12-14 18:34
First name: mark
Last name: purvis

Re: Trouble logging in to server

#5 Post by mpurvis » 2020-12-16 14:11

Looks like it's the firewall or the server banned my IP:

"Your server is working and assorted routers/firewalls have been correctly configured for plain basic FTP as performed by this test. However there have been warnings about compatibility issues, not all users will be able to use your server.

For maximum compatibility, consider resolving these warnings."

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