Snort TSO fix

disable_tso.sh

###
# Disable TCP segmentation offloading (TSO). Snort discards packets longer than the MTU.
# See: https://s3.amazonaws.com/snort-org-site/production/document_files/files/000/000/067/original/packet-offloading-issues.pdf
disable_tso()
{
        ifs=$(ifconfig -l | tr '[:blank:]' '\n' | grep -E 'em|igb')
        for if in $ifs; do
                ifconfig $if -tso4 -tso6
        done
}

echo "applying tso fixes.."
disable_tso