Description of problem: [vsftpd] 500 OOPS: 421 Service not available, when ls a dir that include more than 31 files Version-Release number of selected component (if applicable): Fedora 24 vsftpd-3.0.2-15.fc24.x86_64 How reproducible: always in my host Steps to Reproduce: Terminal1 1. start vsftpd service 2. mkdir $ftphome/test 3. touch $ftphome/test/{1..31} Terminal2 4. ftp localhost localhost # or ftp $IP from another host ls test # success Terminal1 5. touch $ftphome/test/32 Terminal2 ls test # get 500 OOPS: fail Actual results: ftp> ls test 227 Entering Passive Mode (10,66,13,9,53,232). 150 Here comes the directory listing. -rw-r--r-- 1 0 0 0 Jun 30 06:27 1 -rw-r--r-- 1 0 0 0 Jun 30 06:27 10 -rw-r--r-- 1 0 0 0 Jun 30 06:27 11 -rw-r--r-- 1 0 0 0 Jun 30 06:27 12 -rw-r--r-- 1 0 0 0 Jun 30 06:27 13 -rw-r--r-- 1 0 0 0 Jun 30 06:27 14 -rw-r--r-- 1 0 0 0 Jun 30 06:27 15 -rw-r--r-- 1 0 0 0 Jun 30 06:27 16 -rw-r--r-- 1 0 0 0 Jun 30 06:27 17 -rw-r--r-- 1 0 0 0 Jun 30 06:27 18 -rw-r--r-- 1 0 0 0 Jun 30 06:27 19 -rw-r--r-- 1 0 0 0 Jun 30 06:27 2 -rw-r--r-- 1 0 0 0 Jun 30 06:27 20 -rw-r--r-- 1 0 0 0 Jun 30 06:27 21 -rw-r--r-- 1 0 0 0 Jun 30 06:27 22 -rw-r--r-- 1 0 0 0 Jun 30 06:27 23 -rw-r--r-- 1 0 0 0 Jun 30 06:27 24 -rw-r--r-- 1 0 0 0 Jun 30 06:27 25 -rw-r--r-- 1 0 0 0 Jun 30 06:27 26 -rw-r--r-- 1 0 0 0 Jun 30 06:27 27 -rw-r--r-- 1 0 0 0 Jun 30 06:27 28 -rw-r--r-- 1 0 0 0 Jun 30 06:27 29 -rw-r--r-- 1 0 0 0 Jun 30 06:27 3 -rw-r--r-- 1 0 0 0 Jun 30 06:27 30 -rw-r--r-- 1 0 0 0 Jun 30 06:27 31 -rw-r--r-- 1 0 0 0 Jun 30 06:27 4 -rw-r--r-- 1 0 0 0 Jun 30 06:27 5 -rw-r--r-- 1 0 0 0 Jun 30 06:27 6 -rw-r--r-- 1 0 0 0 Jun 30 06:27 7 -rw-r--r-- 1 0 0 0 Jun 30 06:27 8 -rw-r--r-- 1 0 0 0 Jun 30 06:27 9 226 Directory send OK. ftp> ls test 227 Entering Passive Mode (10,66,13,9,43,2). 150 Here comes the directory listing. 500 OOPS: 421 Service not available, remote server has closed connection ftp> by [yjh@dhcp-12-116 share]$ ftp localhost Trying ::1... Connected to localhost (::1). 220 (vsFTPd 3.0.2) Name (localhost:yjh): ftp 331 Please specify the password. Password: 230 Login successful. Remote system type is UNIX. Using binary mode to transfer files. ftp> cd share 250 Directory successfully changed. ftp> ls test 229 Entering Extended Passive Mode (|||7412|). 150 Here comes the directory listing. 500 OOPS: 421 Service not available, remote server has closed connection Expected results: no 500 OOPS: fail Additional info: use firefox as client, get similar result: can not get file list
You have old version of vsftpd package. Please update your system and try again.
(In reply to Martin Sehnoutka from comment #1) > You have old version of vsftpd package. Please update your system and try > again. I have upgrade the system(Fedora 24). the vsftpd package has been the latest version in F24.
[yjh@dhcp-12-116 share]$ rpm -q vsftpd vsftpd-3.0.2-15.fc24.x86_64 [yjh@dhcp-12-116 share]$ LANG=C sudo dnf update vsftpd Last metadata expiration check: 2:14:15 ago on Tue Jul 5 12:35:00 2016. Dependencies resolved. Nothing to do. Complete!
According https://apps.fedoraproject.org/packages/vsftpd The default version is vsftpd-3.0.2-15.fc24 in F24 * And vsftpd-3.0.2-16.el7 works fine
The package in https://apps.fedoraproject.org/packages/vsftpd has updated to 3.0.3-2.fc24 Test ok. close.