Displaying 1 result from an estimated 1 matches for "_security_mac_portacl".
2004 Nov 21
1
mac_portacl and automatic port allocation
Hello,
I really like the idea behind mac_portacl but I find it difficult to use
it because of one issue. When an unprivileged program binds to high
automatic port with a call to bind(2) and port number set to 0 the
system chooses the port to bind to itself. This mechanismus is used by
number of programs, most commonly by ftp clients in active mode.
Unfortunately this 0 is checked by the