https://lwn.net/Articles/165833/
scponly: privilege escalation [LWN.net]
privilege escalationlwn
https://www.howtoforge.com/using-scponly-to-allow-scp-sftp-logins-and-disable-ssh-logins-on-debian-squeeze
Using scponly To Allow SCP/SFTP Logins And Disable SSH Logins On Debian Squeeze
Using scponly To Allow SCP/SFTP Logins And Disable SSH Logins On Debian Squeeze scponly is an alternate shell that restricts users to SCP and SF...
https://forums.freebsd.org/threads/problem-in-starting-scponly-in-jail.31608/
problem in starting scponly in jail | The FreeBSD Forums
I have a problem with scponly service which is mounted in a jail, to split the jail has no problem. but when you restart it manually: (within the jail)...
problemstartingjailfreebsdforums