Re: Choosing appropiate src ip address

[SuD <sud_NOSPAM () latinsud com>]

Ok, nmap-2.40-ALPHA4 works as expected, i assume my version 3.81-1 
(sarge) was really outdated...

Danny Miller wrote:

> On Jul 9, 2006, at 11:23 AM, SuD wrote:
>
> > Hi, i'm using nmap 3.81 (debian sarge, kernel 2.6.15.6) and i have a
> > problem when i have several ip addresses on interface.
> >
> > For example, if i have this configuration:
> >
> > eth1      Link encap:Ethernet
> >           inet addr:192.168.0.33  Bcast:192.168.0.255  Mask: 
> > 255.255.255.0
> >
> > eth1:1    Link encap:Ethernet
> >           inet addr:192.168.1.36  Bcast:192.168.1.255  Mask: 
> > 255.255.255.0
> >
> > And i try nmap -n -sP 192.168.1.1, i get no reply, nmap cannot ping  it.
> > When i take a closer look with tcpdump i see that it is sending from
> > 192.168.0.33 to 192.168.1.1, which won't work, as it should have  
> > choosen
> > 192.168.1.36 as src address.
>
>
> What's your route table look like?  If your default route is over  
> 192.168.0.1 and there's no specific entry for addresses in the  
> 192.168.1.1 range then it'll pick the .0.33 address every time.
>
> Danny



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