<font face="trebuchet ms,sans-serif"><span class="Apple-style-span" style="font-family: arial, sans-serif; font-size: 13px; border-collapse: collapse; "><div><font face="trebuchet ms,sans-serif">Hi all,</font></div><div><font face="trebuchet ms,sans-serif"><br>
</font></div><div><font face="trebuchet ms,sans-serif">I want to monitor our Flash socket policy file server. The server expects a string terminated in a null byte, but I can't get check_tcp to send a null byte. </font></div>
<div><font face="'trebuchet ms', sans-serif"><br></font></div><div><font face="'trebuchet ms', sans-serif"><span style="font-family: arial; "><div><font face="'trebuchet ms', sans-serif">Using netcat does work, however:</font></div>
<div><font face="'trebuchet ms', sans-serif"><br></font></div><div><font face="'trebuchet ms', sans-serif">perl -e 'printf "<policy-file-request/>%c",0' | nc -v <my server> 843</font></div>
</span></font></div><div><font face="'trebuchet ms', sans-serif"><br></font></div><div><font face="'trebuchet ms', sans-serif"><span class="Apple-style-span" style="font-family: arial, sans-serif; "><div>
<font face="trebuchet ms,sans-serif">Here is my check_tcp call:</font></div>
<div><font face="'trebuchet ms', sans-serif"><br></font></div><div><span style="font-family: 'trebuchet ms', sans-serif; ">./check_tcp -H <my server> -p 843 -s "`perl -e 'printf "<policy-file-request/>%c",0'`" -r crit -M crit -w 1 -c 3 -v -d 2 -e "xml"</span></div>
</span></font></div><div><font face="'trebuchet ms', sans-serif"><br></font></div><div><font face="'trebuchet ms', sans-serif">The check_tcp doesn't print out any response from the server, which is consistent with server behavior when it doesn't receive a null byte (if I remove the 0 in the perl printf).</font></div>
<div><font face="'trebuchet ms', sans-serif"><br></font></div><div><font face="'trebuchet ms', sans-serif">Any thoughts or ideas would be greatly appreciated.</font></div><div><font face="'trebuchet ms', sans-serif"><br>
</font></div><div><font face="'trebuchet ms', sans-serif">Cheers,</font></div><div><font face="'trebuchet ms', sans-serif">Karthik</font></div></span></font><br>-- <br><div><p><a name="SafeHtmlFilter__MailAutoSig"><b><span style="font-size:10.5pt;color:#1F497D">Karthik
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