Installing Snort

49

    93     echo "Snort executable file $SNORT does not exist."

    94     echo "Aborting ..."

    95     exit 1

    96  fi

    97

    98  if [ !  f $SNORT_CONFIG ]

    99  then

   100     echo "Snort configuration file $SNORT_CONFIG does not exist."

   101     echo "Aborting ..."

   102     exit 1

   103  fi

   104

   105  if [ !  x $SNORT ]

   106  then

   107     echo "Snort file $SNORT is not executable."

   108     echo "Aborting ..."

   109     exit 1

   110  fi

   111

   112  echo "Starting Snort ..."

   113  $SNORT  c $SNORT_CONFIG  D  l /tmp 2>/dev/null

   114

   115  if [ $?  ne 0 ]

   116  then

   117     echo "Snort startup failed."

   118     echo "Aborting ..."

   119     exit 1

   120  fi

   121

   122  echo

   123  echo "Now generating alerts."

   124

   125  ping  i 0.3  n  r  b $ADDRESS  p "7569643d3028726f6f74290a"  c3 2>/dev/

null >/dev/null

   126

   127  if [ $?  ne 0 ]

   128  then

   129     echo "Alerting generation failed."

   130     echo "Aborting ..."

   131     exit 1

   132  else

   133     echo

   134     echo "Alert generation complete"

   135     echo

   136  fi

   137

   138  sleep 2

   139

   140  tail  n18 $ALERT_FILE 2>/dev/null | grep "ATTACK RESPONSES id check" >/

dev/null

   141

   142  if [ $?  ne 0 ]