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Questions tagged [ftps]

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

FTPS is an extension of the FTP protocol that makes use of Transfer Layer Security, specified by RFC 2228 and RFC 4217. It encrypts all packets, including authentication, when one uses the ftp protocol.

Do not confuse FTPS with SFTP.

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What are the differences between FTPS and FTPES

According to this article I do understand that FTPES is safer than FTPS. But still I keep asking myself what are the difference between those two mode ? What's difference between Explicit and implicit SSL ? And how can one safer than the other ?
Kiwy
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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 winscp and proftpd versions 1.3.3a and 1.3.4a This is…
Zulakis
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Configure Pure-FTP for Implicit FTPS

I'm just wondering if anyone can point me in the right direction for configuring a Pure-FTP daemon on our CentOS Linux server to support FTP over implicit SSL/TLS (over port 990). Btw, I'm pretty good with finding my way around a linux server, just…
Harry Muscle
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Filezilla client and VSFTPD : GnuTLS error -12: A TLS fatal alert has been received

so right now i'am trying to configure vsftpd server for FTP(e)S. It seems i am encountering issues with different clients. Secure FTPD works fine for me. Filezilla not. The output from Filezilla tatus: Connecting to foo:21... Status: Connection…
user1092608
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IIS 7.5 FTPS external access - 534 Policy requires SSL

I have setup a FTP site that requires SSL but when I try connect to it externally I get the error: 220 Microsoft FTP Service 534 Policy requires SSL. I know - I set it so! Why doesnt it fetch the SSL cert from the site and allow me to…
user55029
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Can explicitly ftps via Filezilla but not from code

This was originally posted to StackOverflow, but because the code works and this is most likely a network/firewall issue, I figured I'd ask it here. As the title states, I can connect to another machine from my server via FileZilla Client, but I…
IniTech
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Configuring Fortigate OS4 for FTPS

I configured iis7 ftp to allow ssl connections. I set the ssl firewall to use ports 50000-50050. If I set up a custom service on my fortigate firewall for ftps with source ports 990-50050 and destination ports 990-50050, set it to a firewall…
Paul
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VSFTPD: 500 OOPS: unrecognised variable in config file: ssl_tlsv1_1

I am trying to setup FTPS on my AWS Linux server using VSFTPD. I have made FTP work already. Subsequently, I have followed the instruction found in various places on the Internet to enable SSL. However, when I try to restart vsftpd I get this…
mb87
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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.geocerts.com/ssl_checker it all checks out just…
Tom Aalbers
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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 missed? The access log reads: 1480977720.502 …
Chris Arnold
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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 ciphers being used (nmap -p 9995 -T4 -A -v server)…
Buzkie
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ProFTPd timeout on LIST

Recently I've migrated a centOS 5 server to 7. But since then connection to FTP through FileZilla doesn't work unless I put FileZilla on FTP Plain Connection. TLS doesn't work when getting the folder list Logging in works fine. But it times-out…
s.lenders
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proftpd tls internal connection works, external connection fails

I am trying to secure my proftpd server but I cannot see what I do wrong. My tls.conf TLSEngine on TLSLog /var/log/proftpd/tls.log TLSProtocol …
Hendrik Hamming
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VSFTPD specific ciphers

I am looking for a way to define custom cipher suite for VSFTPD on Ubuntu server. I found that I can specify ciphers via HIGH/MEDIUM/LOW. However, this is not enough for me, since I need to configure ciphers all manually. Is there a way to do this?
Vilican
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"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" \ ftps://server.domain.org:21' Produces: nlist:…
Derek
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