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Note that capture filters don't work on Linux loopback devices with the 

current version of libpcap.

svn path=/trunk/; revision=1592
This commit is contained in:
Guy Harris 2000-02-01 21:21:47 +00:00
parent 1c751dbe7b
commit 6e8ab029fc
1 changed files with 8 additions and 1 deletions
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README.linux
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@ -1,4 +1,4 @@
$Id: README.linux,v 1.3 2000/01/14 08:18:58 guy Exp $
$Id: README.linux,v 1.4 2000/02/01 21:21:47 guy Exp $
The standard libpcap compiled for Linux has a timeout problem; it
doesn't support the timeout argument to "pcap_open_live()".
@ -12,3 +12,10 @@ version of libpcap you're using, to ethereal-dev@zing.org.
The current version of Ethereal should work with versions of libpcap
that have been patched to fix the timeout problem, as well as working
with unpatched versions.
An additional problem, on Linux, with current versions of libpcap is
that capture filters do not work when snooping loopback devices; if
you're capturing on a Linux loopback device, do not use a capture
filter, as it will probably reject most if not all packets, including
the packets it's intended to accept - instead, capture all packets and
use a display filter to select the packets you want to see.