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@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@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