Questions tagged [ftps]

FTP protocol over SSL (not SFTP, which is SSH-based)

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ProFTPd/FTPS issue: unable to accept TLS connection: received EOF that violates protocol

It took some time while I tried to find solution over the net. Nothing helped. The story: I have Ubuntu 10.10 (Amazon EC2 instance). ProFTPD Version 1.3.2e (latest via apt-get). I changed nothing on ...
confused-demon's user avatar
3 votes
0 answers
4k views

Scan Ciphers on FTPS port

I'm trying to remove RC4 ciphers per BEAST, but I'm having trouble verifying that there are ciphers available on my FTPS ports. NMAP returns the cert on the port, but doesn't say anything about the ...
Buzkie's user avatar
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3 votes
2 answers
11k views

Proftpd TLSRequired resulting in "550 SSL/TLS required on the data channel" error

When setting TLSRequired to on instead of off in my proftp tls.conf, I always get a 550 SSL/TLS required on the data channel error when trying to connect. I tried it out with both filezilla and ...
Zulakis's user avatar
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2 votes
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FTP over SSL: Verify return code: 21 (unable to verify the first certificate)

I am trying to verify a SSL connection to one of my (sub) domains. I've installed a wildcard cert on IIS for a particular sub domain. When I check the connected website instance via https://www....
Tom Aalbers's user avatar
2 votes
1 answer
1k views

Squid Proxy error for ftps

I'm running Squid v3.5.15 (installed on Windows Server 2012R2) as a simple relay to other external servers. Using Total Commander to connect, everything works for ftp, but fails for ftps. What have I ...
Chris Arnold's user avatar
2 votes
0 answers
1k views

Getting FTP return code 450 for GET but not for MGET command

I have an FTP-server (ProFTPD 1.3.4b) on Linux and an FTPS client (MOVEit Freely 4.5.1.2 - Secure FTP Client) on Windows. I connect like this 220 ProFTPD 1.3.4b Server (FTP with TLS) [1.2.3.4] 234 ...
alk's user avatar
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2 votes
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2k views

"Illegal version" error with LFTP

The following command: lftp -c 'open -e "set ftps:initial-prot ""; \ set ftp:ssl-force true; \ set ftp:ssl-protect-data true; \ set ssl:verify-certificate no; \ nlist ; " \ -u "username","password" \ ...
Derek's user avatar
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2 votes
1 answer
880 views

IIS FTP 7.5 Data Channel Problem (SSL)

Hey there I wonder if anyone can get me in the right direction. I am setting up both a FTPS Client and Server, FTPS Server using Microsoft’s iis FTP 7.5. On the client side it will be running on ...
user59050's user avatar
  • 121
1 vote
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3k views

FTP on IIS is not allowing FTPS connection

I am trying to set up an FTP site on Windows Server 2019/IIS running on an AWS EC2 instance. I have added the FTP service, added an FTP site, installed a TLS certificate and bound it to FTP, and ...
Don R's user avatar
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AWS FTPS server abruptly closes connection

I have an FTPS server on AWS Transfer which is inside a VPC with 2 subnets (with private and public IPs). I am trying to upload camera footages from a wireless camera to my FTPS server, but the server ...
ninsonTan's user avatar
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665 views

How to connect FTPS using jenkins and copy files there

I am trying to access FTPS site using jenkins "Publish over ftp" plugin. With winscp, I am able to connect but with with jenkins I wasn't able to. I tried with option "Use Implicit TLS&...
uday kiran's user avatar
1 vote
0 answers
27 views

FTPS and certificate authorization on debian

I need FTPS with certificate authorization (not login / password). What program to use and how to configure it?
AdamP's user avatar
  • 11
1 vote
1 answer
2k views

lftp 4.8.4 refuses to talk TLS1.2 with z/OS ftps host

Appreciate any advice on below problem: I have a problem to connect z/OS FTPS server when I choose TLS1.2 protocol: leonidt@zdsdeveng03:/gsa/pokgsa/home/l/e/leonidt/20190114_Switch2lftp> ~/local/...
Leonid Tepliakov's user avatar
1 vote
0 answers
743 views

Only Cannot Access FTP Server from Outer Sub-net (error 425)

Background / Network Structure The are two layers of routers. The router at the outer layer has public Internet IP 123.123.123.123 (fake as example) and private IP 192.168.0.1. The router at the ...
midnite's user avatar
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How do I configure an Azure WebJob to connect with single IP to FTPS?

I want to connect to a secure FTP server (FTPS, not SFTP) from an Azure WebJob (basically an Azure Web App instance). In order to do a secure file transfer, the same SSL session must be reused for ...
Anton's user avatar
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1 vote
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1k views

Pure-ftpd 0 bytes Upload

hopefully someone will be able to shed some light on this one. We currently have a Pure-ftpd service installed on a RHEL6.5 server accepting connection from a client who drops files ever X hours. ...
Lunix's user avatar
  • 11
1 vote
0 answers
1k views

Is it fundamentally wrong to ask an FTPS client to connect on port 990/989 using explicit mode?

I have recently setup vsftpd to listen on port 990 for FTP over explicit SSL. I know from the RFCs that 990 is normally used for implicit. However, we have other FTPS servers accessed from the ...
campbeld's user avatar
1 vote
1 answer
697 views

Does vsftpd support Clear Command Channel (CCC)?

Does the VSFTPD server support Clear Command Channel (CCC) per RFC 2228? If it does support CCC, does it need to be enabled? Or, is it enabled with the whole FTPS suite of configuration parameters?
Matt Cummings's user avatar
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14 views

Not able to FTPS to another server from EC2 under ALB and WAF

I'm having an issue whereby I'm not able to ftps to another server from my EC2. If I run a simple command lftp username:password@serverurl:2121 then proceed to ls, I will be stuck at ls at 0 [...
user774150's user avatar
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0 answers
259 views

Error while installing VSFTPD in passive mode - 500 OOPS: could not bind listening IPv4 socket

I am trying to install and connect to FTPS server (passive mode) locally. I have read similar topics in this community, but still can't fix the problem or find an error in the vsftpd.conf. Firewall is ...
ghostone's user avatar
0 votes
0 answers
67 views

vsftpd implicit ftp server

I'm trying to set up ftp server with ftps connection. I need it to test my code that uses bunch other ftp servers who use implicit ssl. So far I didn't manage to set it up. Can't find much useful info ...
barmaxon's user avatar
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150 views

NetFilter ConnTrack FTP helper alernative fo handle FTPS

I've been using nf_conntrack_ftp module successfully (though rarely), but now I have to deal with TLS-encrypted FTP - this renders that helper useless an I would have to resort to opening the firewall ...
madman_xxx's user avatar
0 votes
1 answer
112 views

Allow FTP for user1 and FTPS for user2 in ubuntu

Is this possible to allow FTP protocol for user1 and use FTPS for user2 in Ubuntu 18.04? I'm using vsftpd with the following configuration listen=YES anonymous_enable=NO local_enable=YES write_enable=...
Cool Breeze's user avatar
0 votes
1 answer
1k views

Can't make vsftpd on kubernetes (minikube) with load balancer AND ssl work

CONTEXT School project : to host several services on a kubernetes node minikube including a ftps server on port 21 using a load balancer. School ask us to make our own images based on Alpine. What I ...
Bstorm's user avatar
  • 101
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0 answers
1k views

FTP load balancer issue with some FTP clients

I have a question about our FTP server configuration. So we currently have 2 FTP servers with are being load-balanced. The two servers and load balancer are only accessible on our internal network. ...
Nico van roy's user avatar
0 votes
1 answer
274 views

one ftp account multiple server

We looking for a solution for the following use case: We have several ftp accounts (SFTP, FTPS, FTP) to remote servers of different webhosting providers. We also have freelancers who support us and ...
aswiss's user avatar
  • 1
0 votes
1 answer
133 views

Standard (old) FTP from Mac to Windows. "An error occurred"

I have configured a FileZilla FTP Server on my Windows 7 Professional PC and some clients download files with different accounts. Everything works with other Windows clients and even a test with my ...
Manfred Marce's user avatar
0 votes
0 answers
523 views

FTPS using Python3 hangs on command or illegal port command using no pasv

I'm trying to setup an FTPS connection using both password and client certificate, but I am unable to retrieve directory listing or anything after connection established... It either hangs (does ...
Niels's user avatar
  • 101
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1 answer
1k views

Ubuntu 18.04 LTS apply iptables changes FTP/FTPS PASV mode

I am trying to set iptables so a CLIENT computer can use FTP/FTPS with passive mode. I have already set majority rules by ufw - short extract (skipped listing of IPv6 and other rules for the sake of ...
Jimmix's user avatar
  • 131
0 votes
0 answers
650 views

FTP Server keeps getting connections from router every few seconds

Background / Network Structure The are two layers of routers. The router at the outer layer has public Internet IP 123.123.123.123 (fake as example) and private IP 192.168.11.1. The router at the ...
midnite's user avatar
  • 151
0 votes
1 answer
4k views

IIS 10 (MS Server 2016) FTPs - failed to retrieve directory listing

I'm trying to get Microsoft Server 2016's IIS 10 to run FTPS. I have it working internally (need to change the External IP Address of Firewall to match internal IP (for LAN) and external IP (for WAN), ...
Josh B's user avatar
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0 votes
0 answers
602 views

Can FTP over SSL [FTPS] using IIS be configured on port 21

I am trying to configure a FTPS site and have been configuring it on port 22. I need to understand if we can use port 21 for setting up FTPS [in IIS manager].
Dragan Kidovic's user avatar
0 votes
0 answers
966 views

Open ports for Passive FTPS on Amazon EC2?

I have installed ProFTPd on an Amazon EC2 running Amazon Linux. I have enabled SSL (FTPS) on for ProFTPd and set passive ports in proftpd.conf: port 21 <IfModule mod_tls....
T. Brian Jones's user avatar
0 votes
1 answer
694 views

Windows 2008 R2 ftpes, can't upload files

I've setup an ftpes server (ftp with explicit TLS) on a Windows 2008 R2 Server. I am able to connect but when an upload is finished the file is deleted on the Server and I get this error (with ...
lothar42's user avatar
  • 101
0 votes
0 answers
747 views

Scriptable FTPS client able to send Keep Alive to control port?

We need a FTP client that satisfies the following constraints: Windows Command-line scriptable, so we can automate it...sorry, FileZilla (?) FTPS, as it seems to perform better than SFTP The ability ...
iokevins's user avatar
  • 274
0 votes
1 answer
69 views

Secure file transfer over Internet to Win2k3 Server/64-bit?

I've been using FTPS via Filezilla on my Win2k3 server after a mandate for encrypted file transfer came through. I use Beyond Compare or other FTPS clients on my Windows 7 and XP boxes to connect. Is ...
Caveatrob's user avatar
  • 111
0 votes
1 answer
226 views

Transfer files between Shared Hosting servers using FTPES

I have two shared hosting servers and a VPS. One at ixwebhostings with their panel and other is a cPanel hosting. I would like to move some files between these two. ixwebhosting supports FTP and ...
Jasim Muhammed's user avatar
0 votes
1 answer
782 views

IIS 7 Setting up FTPS, pure frustration

Please ignore the partial rant that will follow: I have a simple windows 2008R2 VPS, running a few sites. I wanted to add an FTPS, you know like most normal people do.... So began the journey of pure ...
Darknight's user avatar
  • 151
0 votes
3 answers
571 views

FTPS upload "failing" for large uploads

We have an FTPS (FileZilla) server running and a hundred or so clients connect nightly and upload files in the 20-100MB file range. However, there are 1 or 2 that appear to be able to connect, upload ...
Paul Mrozowski's user avatar
-1 votes
2 answers
2k views

Cannot transfer files to Windows Server 2012 IIS with FTPS encryption active

So I'm pretty new to IIS and FTPS, tho I usually use ubuntu and vsftpd with sftp for secure file transfer. But in this case I was tasked with setting up a FTP server on a Windows server 2012 ...
awesomefacepalm's user avatar