Security Basics mailing list archives

Re: FTP and Atlantic Broadband filter


From: Tony Placilla <anthony_placilla () suth com>
Date: Tue, 12 Jun 2007 13:38:06 -0400



wymerzp () sbu edu wrote:
I have a question: I am running my own server out of my house just for fun. I wanted to set up an ftp server.I am 
running SUSE 10.2 using vsftpd for my ftp server. I set it up and everything is fine... I can connect to localhost 
and it works. When I connect from the outside it simply hangs and when I do an nmap it comes back as being filtered 
(as opposed to open). So... do you guys think this is a filter done by Atl BB and if it is, how can I get around 
this? I tried using netcat to listen on another port and redirect this to localhost on port 21, but no dice. Any help 
will be appreciated!
Peace,
Zach


from a *NIX box on the outside do:

tracepath your.ftp.server/21

see what it returns.

Quite possibly you've got IPtables on the SuSE box not set to allow
incoming FTP


-- 
Tony Placilla, RHCT, GSEC
anthony_placilla () suth com


GPG-Key-ID: 1024D/C78F8B64              http://pgp.mit.edu
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