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Questions tagged [ftps]

Use this for questions about FTP over SSL/TLS only. For questions about the Secure File Transfer Protocol, use "sftp" instead.

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How to Install and Enable XCRC on an Open-Source FTP Server in Debian 11?

I'm currently working on Debian 11 and exploring options to enable and use the XCRC command for CRC32 checksums on an FTP server. Unfortunately, the instructions I've found for ProFTPD appear to be ...
Juergen Schulze's user avatar
-1 votes
2 answers
3k views

Error connecting to an FTPS server using openssl s_client

I'm running this: sudo openssl s_client -connect user:[email protected]:21 -CAfile demoCA/cacert.pem and I get the following error: s_client: -connect argument or target parameter malformed or ...
aaaaa's user avatar
  • 19
2 votes
2 answers
5k views

Connect with curl to FTPS server and download file

I'm able to connect to my FTPS server with TLS1.2 by curl, using --cert, --key and --cacert files. The command looks like: curl -3 -k -v --ftp-ssl --tlsv1.2 --ftp-ssl-reqd --ftp-pasv --verbose \ ...
stdcerr's user avatar
  • 2,069
0 votes
1 answer
538 views

How to change vsftpd to IPv4?

I am setting up two vsftp service running on port 21 and port 990. Can someone show me how I can change it to IPv4 instead of current IPv6? I can't find a way to change the setting to IPv4. Below is ...
Tan Le's user avatar
  • 1
0 votes
0 answers
406 views

VSFTPD Not listing all directories

I am running into an odd situation where through various FTP clients, VSFTPD does not seem to return all directories in the directory listing. You'll see here in the FTP client that the error, ...
Xenology's user avatar
  • 101
4 votes
4 answers
32k views

How can I check currently installed and in use versions of SSL and TLS?

How can I check currently installed and in use versions of SSL and TLS? Strangely I couldn't find an answer online. Using Ubuntu 18.04. Edit: Thanks all! I am asking this as I have trouble connecting ...
kroov's user avatar
  • 59
1 vote
0 answers
132 views

Backup and restore ZFS filesystem incrementally over webdav or ftps

On my main server, I use ZFS as a file system. So far I send incremental zfs snapshots to a backup machine which also has zfs available as a file system. Unfortunately, the backup server has a ...
MatthiasR's user avatar
0 votes
0 answers
1k views

FTPS - LFTP problem

We have some trouble in my company with ftps access with a provider. Here is our configuration: Ubuntu 14.04 LFTP | Version 4.6.3a Our_cert.crt our_key.key provider.crt AuthorityRoot.crt ...
ydl's user avatar
  • 1
1 vote
0 answers
499 views

How to cross compile curl with ftps?

The status of configure are as below. curl version: 7.50.0 Host setup: arm-arago-linux-gnueabi Install prefix: /home/calvin/Downloads/ConnectedDVR/car_dvr_rdk/target/filesys/opt/dvr ...
Calvin Chen's user avatar
1 vote
1 answer
10k views

`lftp` does not connect to FTPS (FTP over TLS) server but filezilla and ncftp yes

I have a shared hosted server with FTPS access, and I can connect it trough Filezilla with the following configuration: <?xml version="1.0" encoding="UTF-8" standalone="yes" ?> <FileZilla3&...
fauve's user avatar
  • 1,248
0 votes
2 answers
5k views

When FTP Requires FTP over TLS is it FTPS?

After reading through this tutorial I still have a persistent question. In the beggining of the article the writer says: Warning: FTP is inherently insecure! Consider using SFTP instead of FTP. I ...
Startec's user avatar
  • 1,879
2 votes
1 answer
998 views

Proftpd doesn't answer to "PASV" command

I've been trying to configure my FTPS server which is behind NAT. so I've opened ports 20, 21 as well as 2120-2180 in my NAT (TCP+UDP) and configured proftpd to use this ports for passive ...
Magix's user avatar
  • 296
0 votes
1 answer
2k views

FTP - user to upload file to different user's directory

I installed vsftpd and configured SFTP. I have a standard user who is named, let's say, user1 with all perms. I don't want to give the password to my friend. I only want him to access a specific ...
abakisensoy's user avatar
5 votes
2 answers
30k views

`lftp` does not connect to FTPS (ftp over ssl)

I have trouble in connecting lftp with ftps (ftp over ssl, not sftp!) server (FTP Server Ultimate (PRO version).) running on Android phone. Technical details: Linux part. Following : https://...
Grzegorz Wierzowiecki's user avatar
1 vote
1 answer
1k views

vsftpd: use Explicit SSL in a different port than unencrypted FTP

I've managed to run vsftpd with unencrypted FTP, Implicit SSL, and Explicit SSL. What I'm looking for is a way to run it with Explicit SSL, but have a separate port for SSL. For example: port 15000 ...
swapjim's user avatar
  • 35
5 votes
1 answer
5k views

Proper way to handle FTP over SSL with restrictive firewall rules?

Without SSL, FTP works fine over a stateful Firewall, like netfilter (iptables) + the nf_conntrack_ftp kernel module like this: # modprobe nf_conntrack_ftp # iptables -A INPUT -m conntrack --ctstate ...
Totor's user avatar
  • 20.2k
34 votes
3 answers
90k views

How do I use implicit FTP over TLS

Using any FTP client (I'm on Ubuntu 12.04 and tried using lftp), I want to be able to make an implicit TLS connection to a FTP server, but I can't quite manage to successfully connect. All I am ...
dominicbri7's user avatar
2 votes
2 answers
14k views

FTP over SSL in AIX (UNIX)

Folks over at SO couldn't answer this, so I am posting over here. I need to do an FTP over SSL to a FileZilla Server running on a Windows server from an AIX Unix clien. I have the Host name of the ...
Anjan Biswas's user avatar