Opened 18 years ago
Last modified 18 years ago
#930 closed Bug report
FileZilla does not use own ports
|Reported by:||zarggg||Owned by:|
|Keywords:||Cc:||zarggg, Tim Kosse|
|Component version:||Operating system type:|
|Operating system version:|
When retrieving data from a remote host, the data is
sent to a local port that is not explicitly opened by
The result is that a firewall that unsolicited (or
unexpected) inbound packets will reject all inbound
data while attempting to use this program in a normal
Example: FileZilla opens port 3825 on the local
machine, but the data is being sent to local port 5004,
which is not open by any program on the local host. As
a result, the firewall on the local host rejects the data.
Change History (1)
comment:1 by , 18 years ago
Note: See TracTickets for help on using tickets.
There must be a problem with some (maybe your) firewall or a
router between the server and the client.
FileZilla always opens the port before sending the address
to the server.
Lots of misbehaving routers and firewalls tend to inspect
ftp connections and modify the PORT and PASV commands and