[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: FTP hangs, taking 100% CPU
- To: Aviram Jenik <aviram(at-nospam)jenik.com>
- Subject: Re: FTP hangs, taking 100% CPU
- From: Adi Stav <adi(at-nospam)stav.org.il>
- Date: Tue, 13 Mar 2001 09:02:24 +0200
- Cc: linux ILUG <linux-il(at-nospam)linux.org.il>
- Delivered-To: linux.org.il-linux-il@linux.org.il
- In-Reply-To: <0f0b01c0ab3b$96836eb0$0101c80a@aviram>; from aviram@jenik.com on Mon, Mar 12, 2001 at 11:29:57PM +0200
- Mail-Followup-To: Aviram Jenik <aviram@jenik.com>,linux ILUG <linux-il@linux.org.il>
- References: <0f0b01c0ab3b$96836eb0$0101c80a@aviram>
- Sender: linux-il-bounce(at-nospam)cs.huji.ac.il
- User-Agent: Mutt/1.3.15i
On Mon, Mar 12, 2001 at 11:29:57PM +0200, Aviram Jenik wrote:
> There's a problem that's been driving us crazy for a while here.
>
> One of our users connects using explorer as an FTP client. I'm not sure
> whether or not Explorer does an explicit disconnect when the window is
> closed, but in any case, after the FTP session is done, the process in.ftpd
> remains 'alive' until it's killed manually.
> It can even continue to 'run' for days, even though the FTP client is long
> gone. What's worse, it takes 100% CPU, and if a second connection is
> initiated, a second process remains with an additional 100% CPU (and this
> really takes the fun out of our 2 CPU machine).
>
> The whole thing is very strange, since there's no problem with any FTP
> clients besides this one, and there's nothing special about our FTP daemon
> (wu-ftpd-2.6.0).
> Does anybody have a clue about what might be causing this?
First of all Wu-FTPD is so full of security holes it's not even funny.
Now, what does an strace of these processes show?
=================================================================
To unsubscribe, send mail to linux-il-request@linux.org.il with
the word "unsubscribe" in the message body, e.g., run the command
echo unsubscribe | mail linux-il-request@linux.org.il