nologin(8) on FreeBSD
The text a3357af9f5bc, as FreeBSD 3.5.1-RELEASE, FreeBSD 3.5-RELEASE, FreeBSD 3.4-RELEASE, FreeBSD 3.3-RELEASE shipped it.
politely refuse a login
The text a3357af9f5bc, as FreeBSD 3.5.1-RELEASE, FreeBSD 3.5-RELEASE, FreeBSD 3.4-RELEASE, FreeBSD 3.3-RELEASE shipped it.
politely refuse a login