[jdev] About "No Operation"

[Ulrich Staudinger]

BreezeChan wrote:

>Dear All,
>
>Is there have any command like "NOP" in ftp protocol for XMPP?
>There have  a proxy server between  my jabber client & server,if no communication between the server and client in ten seconds,
>the proxy server will drop the conneciton. So,i hv to let the client send somthing to server every 9 seconds. Does XMPP 
>have some command just for keep connecion ?
>
>B RGDS,
>Breeze
>
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>
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best greetings,
ulrich