Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!aioe.org!.POSTED!not-for-mail From: Rui Maciel Newsgroups: comp.programming Subject: Re: Ideas on solving the file transfer problem Date: Thu, 19 Jan 2012 21:22:13 +0000 Organization: Aioe.org NNTP Server Lines: 20 Message-ID: References: Reply-To: rui.maciel@gmail.com NNTP-Posting-Host: AqItoBXOUTdaiWbH4r55cA.user.speranza.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7Bit X-Complaints-To: abuse@aioe.org User-Agent: KNode/4.7.3 X-Notice: Filtered by postfilter v. 0.8.2 Xref: x330-a1.tempe.blueboxinc.net comp.programming:1245 Robert Wessel wrote: > Binding to ports 20 and 21 is the least of the problems for an > unprivileged FTP server. The big problem is that most firewalls will > never let that traffic in, so something like that won't happen without > the cooperation of the network security crew. Domestic users tend to control their own firewalls. Would they be affected by this? > And given the > prevalence of NAT, you have address and DNS issues as well (which are > really more network issues). DNS wouldn't be a problem, as domain names aren't exactly necessary. NAT wouldn't be a bigger problem than it already is. Rui Maciel