[Bug 175439] [FC4 Regression]: spamc doesn't use localhost by default

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Summary: [FC4 Regression]: spamc doesn't use localhost by default


https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=175439





------- Additional Comments From hongjiu.lu at intel.com  2005-12-11 10:06 EST -------
Created an attachment (id=122109)
 --> (https://bugzilla.redhat.com/bugzilla/attachment.cgi?id=122109&action=view)
A testcase

It looks a kernel bug. When spamc connects to 127.0.0.1, accepts returns
with client from eth0:

bash-3.00$ make
gcc -g	  foo.c   -o foo
./foo &
/usr/bin/spamc -d 127.0.0.1 -p 10000 < Makefile > /dev/null
client: 192.168.10.1
killall foo
ifconfig
eth0	  Link encap:Ethernet  HWaddr 00:07:E9:9C:3E:3E
	  inet addr:192.168.10.1  Bcast:192.168.10.255	Mask:255.255.255.0
	  inet6 addr: fe80::207:e9ff:fe9c:3e3e/64 Scope:Link
	  UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
	  RX packets:66945 errors:0 dropped:0 overruns:0 frame:0
	  TX packets:67008 errors:0 dropped:0 overruns:0 carrier:0
	  collisions:0 txqueuelen:1000
	  RX bytes:11665750 (11.1 MiB)	TX bytes:26087513 (24.8 MiB)

eth1	  Link encap:Ethernet  HWaddr 00:90:27:35:B5:EC
	  inet6 addr: fe80::290:27ff:fe35:b5ec/64 Scope:Link
	  UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
	  RX packets:309349 errors:0 dropped:0 overruns:0 frame:0
	  TX packets:226676 errors:0 dropped:0 overruns:0 carrier:0
	  collisions:0 txqueuelen:1000
	  RX bytes:286360587 (273.0 MiB)  TX bytes:29126030 (27.7 MiB)

lo	  Link encap:Local Loopback
	  inet addr:127.0.0.1  Mask:255.0.0.0
	  inet6 addr: ::1/128 Scope:Host
	  UP LOOPBACK RUNNING  MTU:16436  Metric:1
	  RX packets:178744 errors:0 dropped:0 overruns:0 frame:0
	  TX packets:178744 errors:0 dropped:0 overruns:0 carrier:0
	  collisions:0 txqueuelen:0
	  RX bytes:15843278 (15.1 MiB)	TX bytes:15843278 (15.1 MiB)

ppp0	  Link encap:Point-to-Point Protocol
	  inet addr:69.232.217.9  P-t-P:151.164.184.68	Mask:255.255.255.255
	  UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1492  Metric:1
	  RX packets:303933 errors:0 dropped:0 overruns:0 frame:0
	  TX packets:221223 errors:0 dropped:0 overruns:0 carrier:0
	  collisions:0 txqueuelen:3
	  RX bytes:279349032 (266.4 MiB)  TX bytes:24095241 (22.9 MiB)

I am running PPP over ethernet. eth1 doesn't have an IP address. kernel
gets confused and return eth0 instead of lo.

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