Branko Čibej wrote on Wed, Apr 11, 2012 at 15:46:38 +0200:
> On 11.04.2012 13:52, Daniel Shahaf wrote:
> > Johan Corveleyn wrote on Wed, Apr 11, 2012 at 13:43:57 +0200:
> >> If anyone has any suggestions on capturing network traffic on
> >> localhost on Windows XP ... I'm all ears.
> >>
> >> Maybe the easiest thing to do is to set up Apache on a second machine,
> >> so I don't have to go over the loopback device ...
> >>
> > One option: don't use the loopback device, use some other interface.
> >
> > That is, have httpd listen on 0.0.0.0 and pass --url=http://192.168.9.199
> > to foo_tests.py, where 192.168.9.199 is your externally-visible
> > IP address.
>
> The traffic will still get routed through the loopback device if it's on
> the same machine. At least I hope so, though could be that Microsoft has
> another "enhancement" in their TCP stack in this regard.
>
> brane_at_zulu:~$ ifconfig en0
> en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> options=27<RXCSUM,TXCSUM,VLAN_MTU,TSO4>
> ether 34:15:9e:03:09:74
> inet6 fe80::3615:9eff:fe03:974%en0 prefixlen 64 scopeid 0x4
> inet 172.23.17.71 netmask 0xffffff00 broadcast 172.23.17.255
> media: autoselect (1000baseT <full-duplex,flow-control>)
> status: active
> brane_at_zulu:~$ route get 172.23.17.71
> route to: 172.23.17.71
> destination: 172.23.17.71
> interface: lo0
> flags: <UP,HOST,DONE,STATIC>
> recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire
> 49152 49152 0 0 0 0 16384 0
>
Good point. To avoid this I assume Johan could explicitly set the route
for 172.23.17.71 to be a local router, or do the Windows equivalent of
'ifconfig lo0 down'.
> -- Brane
Received on 2012-04-11 16:00:30 CEST