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Privbind is a completely user space solution. It has no SUID executables, and has to be started by a root user instead.
Privbind is useful for cases where there is a need to run an untrusted program that needs to bind to a low port, but requires no other root privilege. It is also useful if a daemon has no capability to drop privileges itself.
This is privbind 0.2, written by Shachar Shemesh with improvements by Amos Shapira and Nadav Har'El. Privbind is free software, released under the GNU General Public License (see the attached file COPYING for details). What is Privbind ================ Privbind is a tool for running a command as an unprivileged user, with additional reserved port binding privileges. Normally in Linux, only a su more»
13 June, 2007 First official release With all known issues resolved, we are proud to announce version 1.01 of privbind as ready for general use. Support is provided through the project's mailing list at http://sourceforge.net/projects/privbind.
privbind(1) privbind(1) NAME privbind - allow an unprivileged application to bind with reserved ports. SYNOPSIS privbind -u user [ -g group] [ -n num] [ -l path] command [ arguments ... ] DESCRIPTION Normally in Linux, only a superuser process can bind an Internet domain socket with a reserved more»
privbind (1.2-1) unstable; urgency=low * Fix "1-byte buffer overflow" <explain what you changed a more»
2010-04-02 Shachar Shemesh <email@example.com> * [r73] Fix a one off buffer over more»
This package was debianized by: Shachar Shemesh <firstname.lastname@example.org> on Tue, 5 Jun 2007 16:34: more»