<div dir="ltr"><br><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
Or, will less zeros ....<br>
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tcping -t 1 <a href="http://imap.gmail.com" target="_blank">imap.gmail.com</a> 993 :-) :-)<br>
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--<br></div></div></blockquote><div><br></div><div style>Specifically what's going on here is that fedora netcat is not the old netcat you know.</div><div style><br></div><div style>A little while back (I don't remember which release) it was replaced by nmap netcat (ncat):</div>
<div style><br></div><div style><div>[root@server ~]# rpm -qf /usr/bin/nc</div><div>nmap-ncat-6.01-9.fc18.x86_64</div></div><div style><br></div><div style><a href="http://nmap.org/ncat/">http://nmap.org/ncat/</a></div><div style>
<br></div><div style>This does not have the old -z option as you mention... tcping is the best of the options others have presented (no idea what that person was going on about netstat for...)</div><div style><br></div><div style>
The other alternative to tcping is nmap ...</div><div style><br></div><div style>nmap -Pn -p993 <a href="http://imap.gmail.com">imap.gmail.com</a> </div></div></div></div>