Re: inet address removed but still in use
Hi Jeremy,
i'm pretty sure I've also ran into this behaviour, but just assigning
another (non-used, private) ip to the same device (like eth0:1)
would stop it listening on that ip.
I can not remember with what kernel this happened. On kernel 2.2.19,
debian 2.2 (kinda) and ifconfig version 1.39 (1999-03-18) it is not
reproducable.
Regards,
Robert Davidson.
On Thu, Apr 19, 2001 at 06:12:20PM -0700, Jeremy C. Reed wrote:
> I added an IP (IPs changed for this example):
>
> ifconfig eth0:1 192.168.197.179 netmask 255.255.255.128 up
>
> It was listed with "ifconfig -a".
>
> Then I removed it with:
>
> ifconfig eth0:1 192.168.197.179 down
>
> And it was gone (not listed) from "ifconfig -a".
>
> But I can still ping it from a remote machine and logon to it.
>
> Then I tried to reset eth0:1 by giving it a different IP, but the old IP
> still worked.
>
> And I tried (as documented in linux/Documentation/networking/alias.txt):
> ifconfig eth0:1 down
>
> Any ideas on how I get it to stop listening to that IP ...
>
> I found a way: I assigned the IP to eth0:4, then I assigned a
> different IP to eth0:4 and then it was gone (and I couldn't connect to
> it).
>
> Any ideas why I could connect to an IP that wasn't listed by ifconfig?
>
> Can anyone reproduce this?
>
> This is Debian 2.2 Linux 2.2.14.
>
> Jeremy C. Reed
>
>
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