Re: Possible PASV port theft

From: Ashok Aiyar (aiyar@ebv.mimnet.northwestern.edu)
Date: 02/27/02


From: Ashok Aiyar <aiyar@ebv.mimnet.northwestern.edu>
Date: 27 Feb 2002 17:07:54 GMT

On 26 Feb 2002 23:44:56 -0800,
    gaius.petronius (rut@linuxmail.org) wrote:

> Has anyone heard whether any ftp implementations need a udp connection
> on port 20,21 in addition to tcp?

Not if it is RFC compliant.

However, several years ago, when the datagram based FSP protocol was
still used, many FSP daemons bound to UDP port 21 by default.

Ashok

-- 
Ashok Aiyar
RLU #51601



Relevant Pages

  • Re: Possible PASV port theft
    ... > Has anyone heard whether any ftp implementations need a udp connection ... Not if it is RFC compliant. ... many FSP daemons bound to UDP port 21 by default. ...
    (comp.os.linux.security)
  • Re: Possible PASV port theft
    ... >Has anyone heard whether any ftp implementations need a udp connection ... >on port 20,21 in addition to tcp? ...
    (comp.security.unix)
  • Re: Possible PASV port theft
    ... >Has anyone heard whether any ftp implementations need a udp connection ... >on port 20,21 in addition to tcp? ...
    (comp.os.linux.security)