I really dont understand the code, but seems like you are "opening" an
already "open" connection.
If I'm talking s... so /dev/null
anTONIo
Mr Tobias Schiebeck wrote:
> Hi,
>
> I'm trying to modify the zope ftp-access to specify a port range
> within the server selects the ports for the passive ftp communication
> with the ftp-clients. This is in order to have the Zope server behind
> a firewall blocking more then the privileged ports only.
>
> I managed to modify the passive_acceptor within the medusa ftp server
> file. The problem I have is that certain FTP clients (e.g. gftp)
> close there connection because of messages coming from the server.
>
> The code I have modified is in
>
> /usr/lib/zope/ZServer/medusa/ftp_server.py
>
> class passive_acceptor (asyncore.dispatcher):
> ready = None
>
> def __init__ (self, control_channel):
> # connect_fun (conn, addr)
> asyncore.dispatcher.__init__ (self)
> self.control_channel = control_channel
> self.create_socket (socket.AF_INET, socket.SOCK_STREAM)
> to=open('/tmp/zope.log','a')
> for i in range(10000,11000):
> # bind to an address on the interface that the
> # control connection is coming from.
> to.write("ftp connection - port %d\n"%i)
> bres = self.bind ((
> self.control_channel.getsockname()[0],
> i
> ))
> to.write("ftp connection - bind:"+`bres`+"\n")
> if bres == None :
> break
> self.addr = self.getsockname()
> self.listen (1)
> to.close()
>
> Accessing the Zope-server through a firewall that has only the ports
> 10000 to 11000 open using gftp allows the firs connection but
> disconnects with an error message when I change the directory.
>
> The error message is:
>
> 451 Server Error: socket.error, (98,'Address already in use'): file:
> /usr/lib/zope/ZServer/medusa/asyncore.py line: 250
>
> Do you have any hints on this?
>
> Thanks and Best Regards
>
> Tobias
>
>
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