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HELP: "Decoding LoopBack on interface NULL" issue on OpenBSD-4.1


Posted by rachmat on September 13, 2007 07:24:39

I have my Snort-2.7.0.1 installed on OpenBSD-4.1

Installing Snort with:
./configure --enable-dynamicplugin --with-mysql \
--with-mysql-inludes=/usr/local/includes/mysql \
--with-mysql-libraries=/usr/local/lib/mysql
make
make install

When I running snort with command using '-c' switch (use the configuration files)
It always stuck/hang after the 'Decoding LoopBack on interface NULL'
comments. Don't know why, no matter how hard I try, the Snort
process, can't be stopped. I have to restart the mechine before
I can use them back.

there is anyone can help to solve this problem?

Posted by snort_sport on February 19, 2008 20:12:25

This could be either the stream5/GRE issue or you are running out memory.
Solutions: either wait for the fix for GRE under stream5, do not use the --enable-gre, or use stream4 instead.