Error: 500 OOPS: priv_sock_get_cmd [SOLVED]

Troubleshooting seccomp filter sanboxing with vsftpd 3.0.x The following error may occur on ftp clients with vsftpd 3.0.x: 500 OOPS: priv_sock_get_cmd This is caused by seccomp filter sanboxing, which is enabled by default on amd64. To workaround this issue, disable seccomp filter sanboxing: echo 'seccomp_sandbox=NO' >> vsftpd.conf service vsftpd restart For further information, refer to Red Hat bug #845980.