Bug 7037 - wu-ftpd fails to bind to ftp-data
wu-ftpd fails to bind to ftp-data
Status: CLOSED WORKSFORME
Product: Red Hat Linux
Classification: Retired
Component: wu-ftpd (Show other bugs)
6.0
i386 Linux
medium Severity medium
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Assigned To: Bernhard Rosenkraenzer
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Depends On:
Blocks:
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Reported: 1999-11-16 01:32 EST by gman
Modified: 2008-05-01 11:37 EDT (History)
1 user (show)

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Doc Type: Bug Fix
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Last Closed: 2000-02-03 15:25:28 EST
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Description gman 1999-11-16 01:32:57 EST
wu-ftp-2.6.0-1 can't bind to the ftp-data port every now and then. Once it
starts complaining to about it, I have for goto single user mode then back
to run level 3 to get it working again..

The redhat box is multi-homed and has about 400+ IP aliases.. In
/etc/ftpaccess we only have 3 virtual ftp sites define.

Here is what messages is saying..
ftpd[12279]: <--- 425 Can't build data connection: Connection refused.

This has happen to use several times.. it doesn't start happening right
away.. After the first time this happen it took another 2 weeks before this
showed up again... Now its coming up every two or three days..


kernel is 2.2.5-20 currently, we also had 2.2.12 do the same to us...

I thought it might be inetd causing this problem. So I increased the number
of connectiosn per second allowed. Then ran a port scan on the C class we
use. This resulted in inetd just completely disabling ftp like it is
suppose to do.. Any ideas?? Thanks!...
Comment 1 gman 1999-11-18 21:02:59 EST
I think I solved the problem.. I just increase the number of files I could open
at a time. from 4096 to 8192... I also increased the number of inodes that could
be opened...
Comment 2 Elliot Lee 2000-02-03 15:25:59 EST
Reporter indicates problem is solved.

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