I prefer this anyway since the load errors don't raise somewhere
but where I can handle them easily:
I also log the SSL version and directory at the point, since multiple SSL
DLLs may be available on the PC and like to know the expected versions
are being used:
MySslContext.InitContext;
Some FTP servers return wrong IP for PASV command (private instead of
public). In such cases, obviously, FTP component can't connect to the
server.
Filezilla is smart enough to detect this and switch to public IP, instead:
...
Command:TYPE I
Response: 200 Type set to I.
Command:
Some FTP servers return wrong IP for PASV command (private instead
of public). In such cases, obviously, FTP component can't connect to
the server.
This is not really an FTP server issue, but a poorly designed NAT router
that has not replaced the private IP address with a public IP.
-Original Message-
From: Angus Robertson - Magenta Systems Ltd
[mailto:an...@magsys.co.uk]
Sent: 07 September 2010 09:47
To: twsocket@elists.org
Subject: Re: [twsocket] PASV fallback to public IP
Some FTP servers return wrong IP for PASV command (private
instead of
Currently I'm starting some research on HTTP downloads with ICS THttpCli. I
want to add recursive download functionality but faced with impossibility to
distinguish file of directory. Then I noticed that requests to folder without
trailing slash (GET /somepath/foo/bar) are redirected to
Currently I'm starting some research on HTTP downloads with ICS THttpCli.
I want to add recursive download functionality but faced with
impossibility to distinguish file of directory.
In HTTP world, there is no real directory concept. There are only documents.
It happens that some webservers,
...
Do you have a specific example of a live public server returning a
private IP that we can test? It will be very difficult to set-up, since
it needs a crappy NAT router.
Thanks for the explanation, Angus.
This issue was reported by one of my users, who later determined the cause
by himself,
This issue was reported by one of my users, who later determined
the cause
by himself, so I have no such public server available. I will ask
if this is
a public server that can be checked. I guess in his case replacing
private
with public IP may work, since FileZilla works, however I
Angus Robertson - Magenta Systems Ltd wrote:
Doing the
same on an FTP server is much harder, and really needs a public STUN
server (as used for SIP for the same reason).
Or simply:
?php
echo $_SERVER[REMOTE_ADDR];
?
--
Arno Garrels
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Arno Garrels wrote:
Angus Robertson - Magenta Systems Ltd wrote:
Doing the
same on an FTP server is much harder, and really needs a public STUN
server (as used for SIP for the same reason).
Or simply:
?php
echo $_SERVER[REMOTE_ADDR];
BTW: The NAT trouble will stop with IPv6.
--
Then I noticed that requests to folder without trailing slash (GET
/somepath/foo/bar)
are redirected to locations with slash (/somepath/foo/bar/) so it's easy
to tell it's a directory.
this depends how server is configured to treat trailing slash. In most
cases it will treat it as access to
Or simply:
?php
echo $_SERVER[REMOTE_ADDR];
This still needs be running on a public server somewhere!
I don't have PHP on mine.
BTW: The NAT trouble will stop with IPv6.
And introduce lots of new problems instead. My new Sonicwall pass IPv6,
but not process it.
Angus
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