nsca version problems?

[Mark Musone]

hi all, I recently upgraded to nsca 2.4 from nsca 2.1 …but heres the
rub..
the nsca server is running 2.1, and I have most servers currently
running nsca 2.1
 
I have some new servers running 2.4 ..
 
but the nsca 2.4 clients cant seem to communicate with the nsca 2.1
server.
 
I’m getting the following error in the server logs: 
Received invalid packet type/version from client - possibly due to
client using wrong pass
word or crypto algorithm?
 
however the 2.1 clients, 2.1 server and 2.4 clients all have
decryption_method=1 (simple XOR)
 
was there a change in the simple xor method??
is there a reason why a 2.4 client cant work with a 2.1 server?
 
what if  I make the server 2.4? will 2.1 clients work with a 2.4 server?
 
any help is greatly appreciated!
 
Thanks,
 
Mark
 

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