Null Connection in Service Monitoring

[pb <peterbaitz@xxxxxxxxx>]

Hi Joe and all,

I use a test-smtp.sh script as follows to test the
appropriate existence of smtp port 25 and that it is
active on the real servers.  (If I do not give any
service monitoring script then LVS uses "ipvsadm" to
do basic tests of ports.)   My script is giving "Null
Connection" errors which show up the server messages
log upon disconnect (ie. disconnect is not playing
nice and closing the connection smoothly I suppose). 
Any ideas on how to fix this simple script to close
down the connection appropriately???  See below....

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
root@lvs ha]# cat test_smtp.sh
#!/bin/sh

TEST=`printf "quit\n" | telnet $1 25 2>/dev/null |grep
-i "connected"|wc -l` > /dev/null 2>&1

if [ $TEST -eq 1 ]; then
        echo "OK"
else
        echo "FAIL"
fi
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Thanks
Peter

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