I want to give a list of people SFTP access to /webdocs/ABC* where they will read-write access to only directories that match this wildcard.  How do I do this?  Can I create a chroot jaill or some other method via SFTP so that these users only see/access the wildcard match?
SFTP chroot jail/access based on wildcard
wildcards;chroot;sftp;sshd
Within the sshd_config file which is what sets up the sftp facilities you can do the following:AllowGroups sftponlyMatch Group sftponly    ChrootDirectory /webdocs/ABC    ForceCommand internal-sftp    X11Forwarding no    AllowTcpForwarding no    PasswordAuthentication yesI do not believe it will do wildcards though. So you'll have to create separate instances of these rules within the file.ChrootDirectoryexcerpt from sshd config man page$ man sshd_config... ChrootDirectory         Specifies the pathname of a directory to chroot(2) to after          authentication.  All components of the pathname must be root-owned          directories that are not writable by any other user or group.           After the chroot, sshd(8) changes the working directory to the          user's home directory.         The pathname may contain the following tokens that are expanded at          runtime once the connecting user has been authenticated: %% is         replaced by a literal '%', %h is replaced by the home directory of          the user being authenticated, and %u is replaced by the username         of that user.         The ChrootDirectory must contain the necessary files and          directories to support the user's session.  For an interactive          session this requires at least a shell, typically sh(1), and basic          /dev nodes such as null(4), zero(4), stdin(4), stdout(4),          stderr(4), arandom(4) and tty(4) devices.  For file transfer          sessions using sftp, no additional configuration of the          environment is necessary if the inprocess sftp server is used,          though sessions which use logging do require /dev/log inside the          chroot directory (see sftp-server(8)         for details).