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    SubjectRe: [net-next PATCH v5 0/3] net: reserve ports for applications using fixed port numbers
    Octavian Purdila wrote:
    > On Saturday 20 February 2010 10:11:40 you wrote:
    >
    >> 2) I hope you could add some documentation to show the relations
    >> between ip_local_port_range and ip_local_reserved_ports.
    >>
    >
    > How does this sound:
    >
    > ip_local_reserved_ports - list of comma separated ranges
    > Specify the ports which are reserved for known third-party
    > applications. These ports will not be used by automatic port
    > assignments (e.g. when calling connect() or bind() with port
    > number 0). Explicit port allocation behavior is unchanged.
    >
    > The format used for both input and output is a comma separated
    > list of ranges (e.g. "1,2-4,10-10" for ports 1, 2, 3, 4 and
    > 10). Writing to the file will clear all previously reserved
    > ports and update the current list with the one given in the
    > input.
    >
    > Note that ip_local_port_range and ip_local_port_range settings
    > are independent and both are considered by the kernel when
    > determining which ports are available for automatic port
    > assignments.
    >
    > You can reserve ports which are not in the current
    > ip_local_port_range, e.g.:
    >
    > $ cat /proc/sys/net/ipv4/ip_local_port_range
    > 32000 61000
    > $ cat /proc/sys/net/ipv4/ip_local_reserved_ports
    > 8080,9148
    >
    > although this is redundant. However such a setting is useful
    > if later the port range is changed to a value that will
    > include the reserved ports.

    This looks fine for me.

    Thanks.



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