Re: [Duplicity-talk] Network Fuzzing Tool

[Maurizio Vitale]

On Mar 12, 2009, at 5:15 PM, Kenneth Loafman wrote:

> I use VMware Workstation v6 and they've taken it out of the network
> setup, otherwise, that would be my first choice.  Under v3 and v4  
> there
> used to be a way to set up hubs, subnets, speed, and quality from the
> network setup tool, but that's been gone since v5, and I'm just not  
> keen
> on trying to get an older version running on the newer Linux.
I've 6.5.1 and it definitely has the capability of setting up LAN  
segments.
I haven't used it and I don't know where it was in previous version,
but if you set up a team and edit the settings, one f the tabs
you get is called LAN segments. There you can define new ones
with bandwidths and error rates.
Once that's done you can attach network adapters to them (from the  
connection tab).

> I usually start RedHat and a Windows XP VMs for testing.  FTP gets
> tested on both Linux and XP servers, ProFTPd and Filezilla (sp?).  The
> rest of the protocols get tested on Amazon and rsync.net.  The only
> one's I can't test are HSI and IMAP, so I hope I don't have to support
> too many problems with them.
>
> ...Ken
>
> Maurizio Vitale wrote:
> > if you use virtual machines on vmwire you can create network  
> > segments and
> > set latency, bandwidth and error rate for each segment individually.
> >
> > Even if you need delays/error between two physical machines it is
> > probably easier
> > to put a VM between them.
> >
> > I don't know if the free vmware server allows this, but if you use it
> > for work the $200 for vmware
> > workstation are very well spent.
> >
> > I'm not familiar with the free virtualization solutions available.  
> > They
> > may very well be able to do the same.
> >
> > Maurizio Vitale
> >
> > Polymath Solutions
> > 309 Denniston Ave
> > Pittsburgh, PA 15206
> >
> > T +1.412.453.5606
> > M address@hidden
> > W www.polymath-solutions.com
> >
> >
> > On Mar 12, 2009, at 4:32 PM, Kenneth Loafman wrote:
> >
> > > I'm looking for a network fuzzing tool, at least I think that's what
> > > they're called.  What I want is a tool to introduce n% errors or  
> > > even
> > > timeouts into the network for testing, where n can be adjusted.   
> > > Does
> > > anyone know of a good one to use?  have experience with any of them?
> > >
> > > I suppose I could write my own, but would prefer a known good test
> > > agent.  I have an odd "curse" for test purposes, I can literally go
> > > weeks without seeing a network error.  Makes it kind of difficult to
> > > test error handling, and this is where most of the problems occur.
> > >
> > > ...Thanks,
> > > ...Ken
> > >
> > >
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