SAFE_FINGER(8) Linux Programmer's Manual SAFE_FINGER(8) NAME safe_finger - finger client wrapper that protects against nasty stuff from finger servers SYNOPSIS safe_finger [finger_options] DESCRIPTION The safe_finger command protects against nasty stuff from finger servers. Use this program for automatic reverse finger probes from the tcp_wrapper (tcpd) , not the raw finger com- mand. The safe_finger command makes sure that the finger client is not run with root priv- ileges. It also runs the finger client with a defined PATH environment. safe_finger will also protect you from problems caused by the output of some finger servers. The problem: some programs may react to stuff in the first column. Other programs may get upset by thrash anywhere on a line. File systems may fill up as the finger server keeps sending data. Text editors may bomb out on extremely long lines. The finger server may take for- ever because it is somehow wedged. safe_finger takes care of all this badness. SEE ALSO hosts_access(5), hosts_options(5), tcpd(8) AUTHOR Wietse Venema, Eindhoven University of Technology, The Netherlands. Linux 21th June 1997 SAFE_FINGER(8)
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