20 sec is loo short for name lookup timeout...
Check the following:
1. Reverse lookup by wu-ftpd itself. Those guys are nowadays pretty
smart...
2. What tcpwrappers are doing?
3. Do you have identd (identification daemon, not inetd) running? If yes -
turn off.
And finally, is wu-ftpd a resident daemon or started by inetd? How
quickly can that be done?
On Thu, 20 Jun 2002, Toal, Dave wrote:
>
> All,
>
> I'm hoping that someone can shed some light on this
> problem for me. We have 2 boxes set up on an isolated net
> through a hub. One is solaris 2.8, the other is red hat
> gnulinux. wu-ftpd is running on the redhat box. The sun
> box is listed in its /etc/hosts, and its nsswitch.conf shows
> hosts: files, only. resolv.conf lists 2 name servers that
> are not reachable from the isolated net segment.
>
> An ftp connection from the sun box to the linux box
> hangs for about 20 seconds, at the point marked below.
>
> The only suggestion I've received so far is to set up
> DNS on one of the boxes. Is there a better way to fix this?
>
> Dave
>
>
>
> [root@venus:/tmp]# ftp wpllinux
> Connected to wpllinux.
>
> <<hangs here, then continues normally>>
>
> 220 wpllinux FTP server (Version wu-2.6.1-18) ready.
> Name (wpllinux:root): wpltest
> 331 Password required for wpltest.
> Password:
> 230 User wpltest logged in.
> ftp>
>
>
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