[Snort-users] SIGHUP doesn't work right with --daq ipfw

Michael Scheidell michael.scheidell at ...8144...
Mon Feb 7 17:36:03 EST 2011

Testing snort on freebsd (I am still not convinced it works...)
I edited local.rules, and sent a SIGHUP to snort. (I just changed an 
'alert' to '#alert')

it just exited when sent the SIGHUP:

Can't acquire (-1) - ipfw_daq_acquire: can't select divert socket 
(Interrupted system call)

system is freebsd 7.3 amd64, compiled like this:

configure --enable-dynamicplugin --enable-build-dynamic-examples 
--enable-reload --enable-reload-restart --disable-corefiles 
--with-dnet-libraries=/usr/local/lib/libnet11 --enable-flexresp3 
--enable-active-response --with-mysql=no --with-odbc=no 
--with-postgresql=no --disable-prelude --enable-perfprofiling 
--enable-ppm --enable-gre --enable-mpls 
--enable-decoder-preprocessor-rules --enable-zlib --enable-normalizer 
--enable-react --prefix=/usr/local --mandir=/usr/local/man 
--infodir=/usr/local/info/ --build=amd64-portbld-freebsd7.3

snort started like this:

snort -d -Q -c /usr/local/etc/snort/snort.conf --daq ipfw

snort.conf is sample with the policy_mode: inline added. rules are VRT 
rules with an alert rule added to local.rules.

Michael Scheidell, CTO
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d: 561-948-2259
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